SANTA ISABEL, PR · Santa Isabel Municipio County
SANTA ISABEL URBANO Water System
Current status
No open violations on record as of July 4, 2026.
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 Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.
System facts
- System ID (PWSID)
- PR0003904
- System type
- Community Water System
- Population served
- 39,884
- Service connections
- 14,938
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Nitrate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Nitrate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Nitrate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Nitrate
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – March 31, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring, Regular
—Chlordane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—LASSO
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Endothall
January 1, 2019 – January 31, 2019
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 2016 – April 30, 2016
ResolvedLead Consumer Notice
—Lead and Copper Rule
July 1, 2012 – December 31, 2018
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
October 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Nitrate
October 1, 2010 – December 31, 2010
ResolvedMonitoring, Regular
—Chlordane
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—LASSO
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Picloram
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Diquat
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2008 – March 31, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 2007 – February 28, 2007
ResolvedMonitoring, Regular
—Arsenic
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Chromium
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Cadmium
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2003 – September 30, 2003
ArchivedMonitoring, Regular
—Chlordane
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Dalapon
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Dinoseb
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Diquat
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Endothall
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Endrin
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Glyphosate
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Toxaphene
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—CYANIDE
October 1, 1998 – December 31, 1998
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Simazine
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Picloram
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—OXAMYL
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4-D
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—LASSO
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Atrazine
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Carbofuran
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1998 – September 30, 1998
ArchivedMonitoring, Regular
—Carbofuran
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—2,4-D
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—LASSO
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Atrazine
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Carbofuran
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Chlordane
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Dalapon
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Dinoseb
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Diquat
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Endothall
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Endrin
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Glyphosate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Heptachlor
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Toxaphene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—OXAMYL
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Picloram
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Simazine
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—2,4-D
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—LASSO
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Atrazine
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Chlordane
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Dalapon
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Dinoseb
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Diquat
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Endothall
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Endrin
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Glyphosate
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Heptachlor
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Toxaphene
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—OXAMYL
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Picloram
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Simazine
July 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
July 1, 1998 – September 30, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 1998 – February 28, 1998
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
January 1, 1998 – January 31, 1998
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Styrene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Ethylbenzene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Toluene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—CHLOROBENZENE
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Tetrachloroethylene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Trichloroethylene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,2-Dichloropropane
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Carbon tetrachloride
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,2-Dichloroethane
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Vinyl chloride
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—p-Dichlorobenzene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—o-Dichlorobenzene
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—DICHLOROMETHANE
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—Xylenes, Total
October 1, 1997 – December 31, 1997
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 1997 – December 31, 1997
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1997 – October 31, 1997
ArchivedMonitoring, Regular
—2,4,5-TP
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—2,4-D
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Simazine
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Picloram
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—OXAMYL
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Toxaphene
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Pentachlorophenol
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—BHC-GAMMA
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Heptachlor epoxide
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Heptachlor
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Glyphosate
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Endrin
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Endothall
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Diquat
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Dalapon
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Chlordane
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Carbofuran
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Benzo(a)pyrene
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—Atrazine
July 1, 1997 – September 30, 1997
ArchivedMonitoring, Regular
—LASSO
July 1, 1997 – September 30, 1997
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1996 – November 30, 1996
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1995 – September 30, 1995
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 1995 – March 31, 1995
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1993 – November 30, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1993 – October 31, 1993
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1993 – August 31, 1993
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1993 – July 31, 1993
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2024 – June 30, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2020 – July 31, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2019 – January 31, 2019 | Monitoring, Regular | Endothall | — | Resolved |
| April 1, 2016 – April 30, 2016 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2012 – December 31, 2018 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| October 1, 2010 – December 31, 2010 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| February 1, 2007 – February 28, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| September 1, 2003 – September 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Dalapon | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Dinoseb | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Diquat | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Endothall | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Glyphosate | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Heptachlor | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Toxaphene | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | CYANIDE | — | Archived |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Picloram | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | OXAMYL | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Carbofuran | — | Resolved |
| September 1, 1998 – September 30, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Diquat | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Endothall | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Glyphosate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Diquat | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Endothall | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Glyphosate | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| February 1, 1998 – February 28, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 1998 – January 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| December 1, 1997 – December 31, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Styrene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Ethylbenzene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Toluene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Trichloroethylene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Vinyl chloride | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Xylenes, Total | — | Archived |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| October 1, 1997 – October 31, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | 2,4-D | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Simazine | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Picloram | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | OXAMYL | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Toxaphene | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Heptachlor | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Glyphosate | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Endrin | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Endothall | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Diquat | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Dalapon | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Chlordane | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Carbofuran | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | Atrazine | — | Archived |
| July 1, 1997 – September 30, 1997 | Monitoring, Regular | LASSO | — | Archived |
| November 1, 1996 – November 30, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| September 1, 1995 – September 30, 1995 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| March 1, 1995 – March 31, 1995 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| November 1, 1993 – November 30, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1993 – October 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| August 1, 1993 – August 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| July 1, 1993 – July 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- December 31, 2024State Compliance achieved6 linked violations
- December 10, 2024State Formal Notice of Violation issued6 linked violations
- December 10, 2024State Formal Notice of Violation issued8 linked violations
- December 10, 2024State Formal Notice of Violation issued2 linked violations
- September 30, 2024State Compliance achieved2 linked violations
- September 30, 2024State Compliance achieved2 linked violations
- June 30, 2024State Compliance achieved6 linked violations
- July 31, 2020State Compliance achieved1 linked violation
- March 30, 2020State Compliance achieved2 linked violations
- August 13, 2019State Compliance achieved1 linked violation
- July 10, 2019State Formal Notice of Violation issued1 linked violation
- June 30, 2019State Compliance achieved1 linked violation
- June 30, 2019State Compliance achieved1 linked violation
- June 30, 2019State Compliance achieved12 linked violations
- December 31, 2018State Compliance achieved2 linked violations
- November 30, 2016State Compliance achieved1 linked violation
- October 27, 2016State Other1 linked violation
- February 19, 2016State Formal Notice of Violation issued1 linked violation
- August 8, 2014State Compliance achieved1 linked violation
- February 6, 2013State Formal Notice of Violation issued1 linked violation
- January 1, 2013State Compliance achieved2 linked violations
- September 30, 2012State Compliance achieved1 linked violation
- August 13, 2012State Formal Notice of Violation issued1 linked violation
- March 6, 2012State Formal Notice of Violation issued1 linked violation
- February 1, 2012State Formal Notice of Violation issued1 linked violation
- December 31, 2011State Compliance achieved1 linked violation
- September 30, 2011State Compliance achieved1 linked violation
- May 10, 2011State Formal Notice of Violation issued1 linked violation
- February 3, 2011State Formal Notice of Violation issued1 linked violation
- December 31, 2010State Compliance achieved10 linked violations
- June 30, 2010State Compliance achieved29 linked violations
- May 3, 2010State Formal Notice of Violation issued29 linked violations
- April 30, 2009State Compliance achieved3 linked violations
- March 31, 2009State Compliance achieved1 linked violation
- June 30, 2008State Compliance achieved4 linked violations
- November 30, 2007State Compliance achieved3 linked violations
- September 30, 2007State Compliance achieved21 linked violations
- August 23, 2006State Formal Notice of Violation issued21 linked violations
- November 14, 2003State Public Notification requested1 linked violation
- January 1, 2003State Compliance achieved1 linked violation
- November 6, 2002State Public Notification requested1 linked violation
- March 12, 1999State Formal Notice of Violation issued29 linked violations
- February 23, 1999State Formal Notice of Violation issued1 linked violation
- November 10, 1998State Public Notification requested1 linked violation
- November 6, 1998State Formal Notice of Violation issued58 linked violations
- March 2, 1998State Violation/Reminder Notice2 linked violations
- February 11, 1998State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- November 20, 1997State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 28, 1995State Violation/Reminder Notice1 linked violation
- April 28, 1995State Public Notification received1 linked violation
- January 28, 1994State Public Notification received1 linked violation
- December 9, 1993State Public Notification received1 linked violation
- September 22, 1993State Public Notification received1 linked violation
Contact
SANTA ISABEL URBANO
787-620-2277
SANTA ISABEL, PR 00757