MANDERSON, 08
WOUNDED KNEE DISTRICT SCHOOL 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 EPA Region 8’s official records. Always confirm current status with EPA Region 8 before making decisions based on this information.
System facts
- System ID (PWSID)
- 084690467
- System type
- Community Water System
- Population served
- 280
- Service connections
- 30
- Ownership
- federal government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2024 – March 4, 2025
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2023 – August 6, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2023 – April 30, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2022 – April 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
August 1, 2021 – July 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2020 – July 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2020 – July 31, 2020
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
May 16, 2015 – April 19, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 2011 – April 30, 2011
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Simazine
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Atrazine
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Chlordane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Endothall
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Dalapon
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2008 – December 31, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2024 – March 4, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2023 – August 6, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 1, 2021 – December 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2021 – July 31, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2020 – July 31, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2020 – July 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| May 16, 2015 – April 19, 2018 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| April 1, 2011 – April 30, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Xylenes, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
WHIRLWIND HORSE, MONICA
605-867-4350
MANDERSON, SD 57756