Santa Ysabel, 09
Mesa Grande - Black Canyon Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.
System facts
- System ID (PWSID)
- 090605132
- System type
- Community Water System
- Population served
- 81
- Service connections
- 25
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
May 16, 2024 – November 25, 2024
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
May 16, 2024 – June 26, 2025
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2023
UnaddressedSample Siting Plan Errors (RTCR)
—Revised Total Coliform Rule
April 1, 2016 – August 11, 2017
ResolvedMonitoring, Regular
—Nitrate
January 1, 2016 – December 31, 2016
ResolvedFailure Submit IDSE/Subpart V Plan Rpt
—Stage 2 Disinfectants and Disinfection Byproducts Rule
October 1, 2013 – August 11, 2017
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2009 – December 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Nitrate
January 1, 2009 – December 31, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – August 15, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2005 – August 15, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2005 – December 31, 2005
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2004 – August 15, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Simazine
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Selenium
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Picloram
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Cadmium
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Fluoride
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Styrene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Dalapon
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Diquat
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Endothall
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Chlordane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Arsenic
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—2,4-D
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Toluene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Barium
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—LASSO
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Asbestos
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Mercury
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Endrin
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Chromium
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Nitrate
January 1, 2003 – December 31, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – August 15, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2002 – January 31, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2001 – November 30, 2001
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – August 15, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2000 – October 31, 2000
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2000 – June 30, 2000
ResolvedMonitoring, Regular
—Nitrate
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Chlordane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Barium
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Cadmium
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Chromium
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—CYANIDE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Fluoride
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Mercury
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrite
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Selenium
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Asbestos
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Endrin
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Dalapon
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Diquat
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Endothall
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Glyphosate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—OXAMYL
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Simazine
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Picloram
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Dinoseb
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Atrazine
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—LASSO
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4-D
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Arsenic
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Benzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Toluene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Styrene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 1998 – December 31, 1998
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 16, 2024 – November 25, 2024 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| May 16, 2024 – June 26, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2023 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| April 1, 2016 – August 11, 2017 | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2013 – August 11, 2017 | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | — | Resolved |
| December 1, 2009 – December 31, 2009 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2009 – March 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2006 – August 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2005 – August 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2004 – August 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Asbestos | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2002 – August 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2002 – January 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2001 – November 30, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2001 – August 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2000 – October 31, 2000 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2000 – June 30, 2000 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| December 1, 1998 – December 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Nitrite | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Asbestos | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- June 26, 2025Federal Compliance achieved1 linked violation
- November 25, 2024Federal Compliance achieved1 linked violation
- August 11, 2017Federal Compliance achieved1 linked violation
- August 11, 2017Federal Compliance achieved1 linked violation
- May 8, 2017Federal Compliance achieved1 linked violation
- May 8, 2017Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- June 24, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 28, 2010Federal Compliance achieved1 linked violation
- May 28, 2010Federal Compliance achieved1 linked violation
- February 26, 2010Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- February 1, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 21, 2010Federal Compliance achieved1 linked violation
- January 14, 2010Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 24, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 22, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 11, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 2, 2009Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 29, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 29, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 15, 2009Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 5, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 30, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 23, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 15, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 31, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 30, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 26, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 20, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 20, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 15, 2007Federal Compliance achieved1 linked violation
- August 15, 2007Federal Compliance achieved1 linked violation
- August 15, 2007Federal Compliance achieved1 linked violation
- August 15, 2007Federal Compliance achieved1 linked violation
- August 15, 2007Federal Compliance achieved1 linked violation
- August 6, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 2, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 11, 2007Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 16, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 9, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 14, 2007Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 18, 2005Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 20, 2005Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 15, 2005Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 14, 2005Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- February 26, 2004Federal Compliance achieved1 linked violation
- February 26, 2004Federal Compliance achieved1 linked violation
- February 26, 2004Federal Compliance achieved1 linked violation
- February 26, 2004Federal Compliance achieved1 linked violation
Contact
Mesa Grande Band of Mission Indians
7606196107
Santa Ysabel, CA 92070