CARPENTER, SD · Clark County
SHAMROCK COLONY 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 South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- SD4602267
- System type
- Community Water System
- Population served
- 75
- Service connections
- 17
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2024 – October 31, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2021 – September 30, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2021 – January 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2019 – December 31, 2019
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2017 – July 31, 2017
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 2012 – August 31, 2012
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 3, 2011 – March 26, 2012
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2009 – September 30, 2009
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 2009 – September 30, 2009
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 2009 – September 30, 2009
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2009 – June 30, 2009
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2025 – June 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2024 – October 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2021 – January 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 1, 2019 – December 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2017 – July 31, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Glyphosate | — | Resolved |
| August 1, 2012 – August 31, 2012 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 3, 2011 – March 26, 2012 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2009 – September 30, 2009 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2009 – September 30, 2009 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2009 – September 30, 2009 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Regular | Combined Uranium | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 19, 2024State Compliance achieved2 linked violations
- February 12, 2024State Public Notification requested4 linked violations
- October 6, 2021State Public Notification requested2 linked violations
- May 16, 2014State Compliance achieved9 linked violations
- May 16, 2014State Compliance achieved41 linked violations
- May 16, 2014State Compliance achieved16 linked violations
- May 5, 2014State Public Notification requested31 linked violations
- May 5, 2014State Public Notification requested10 linked violations
- May 5, 2014State Public Notification requested15 linked violations
- May 5, 2014State Public Notification requested12 linked violations
- May 5, 2014State Public Notification requested14 linked violations
- September 18, 2012State Public Notification received11 linked violations
- January 5, 2012State Administrative/Compliance Order without penalty issued25 linked violations
- January 5, 2012State Administrative/Compliance Order without penalty issued27 linked violations
- June 7, 2010State Compliance achieved64 linked violations
Contact
SHAMROCK COLONY
6053521452
CARPENTER, SD 57322