WOONSOCKET, SD · Sanborn County
WOONSOCKET 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 South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- SD4600376
- System type
- Community Water System
- Population served
- 618
- Service connections
- 330
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Source Water (GWR)
—E. COLI
August 10, 2024
UnaddressedPublic Education
Health-basedLead and Copper Rule
April 26, 2010 – June 24, 2010
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Benzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, 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
Unaddressed no corrective action on record yetResolved 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 |
|---|---|---|---|---|
| August 10, 2024 | Monitoring, Source Water (GWR) | E. COLI | — | Unaddressed |
| April 26, 2010 – June 24, 2010 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| 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 |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 26, 2010State Public Notification requested25 linked violations
- March 2, 2004State Public Notification received81 linked violations
- January 29, 2004State Compliance achieved72 linked violations
Contact
WOONSOCKET
6057964275
WOONSOCKET, SD 57385