CASTLEWOOD, SD · Hamlin County
CASTLEWOOD 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)
- SD4600002
- System type
- Community Water System
- Population served
- 698
- Service connections
- 328
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Treatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
June 7, 2021 – September 12, 2023
ResolvedMonitoring, Regular
—Fluoride
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
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 |
|---|---|---|---|---|
| June 7, 2021 – September 12, 2023 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 29, 1997State Public Notification received48 linked violations
Contact
CASTLEWOOD
6057932220
CASTLEWOOD, SD 57223