EAGLE BUTTE, SD · Dewey County
TRI-COUNTY RURAL WATER SYSTEM 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)
- SD4600112
- System type
- Community Water System
- Population served
- 2,190
- Service connections
- 876
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
November 1, 2006 – November 30, 2006
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2005 – December 5, 2005
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 10, 2005 – March 4, 2008
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
ResolvedMonitoring, Regular
—Picloram
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Diquat
January 1, 2002 – December 31, 2002
ResolvedNotification, Public
—Coliform (TCR)
October 17, 1998 – November 16, 1998
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 1976 – June 30, 1980
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 |
|---|---|---|---|---|
| November 1, 2006 – November 30, 2006 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2005 – December 5, 2005 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 10, 2005 – March 4, 2008 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2005 – March 31, 2005 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Diquat | — | Resolved |
| October 17, 1998 – November 16, 1998 | Notification, Public | Coliform (TCR) | — | Archived |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- April 9, 2009State Public Notification received12 linked violations
- September 18, 2006State Compliance achieved4 linked violations
- September 18, 2006State Compliance achieved4 linked violations
- December 5, 2005State Compliance achieved37 linked violations
- October 5, 2005State Administrative/Compliance Order with penalty issued13 linked violations
- October 31, 2003State Compliance achieved41 linked violations
- June 13, 2003State Public Notification requested166 linked violations
Contact
TRI-COUNTY RURAL WATER SYSTEM
6059647766
EAGLE BUTTE, SD 57625