JEFFERSON, SD · Union County
DEER RUN ESTATES Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of June 1, 2012. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Union County, SD.
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)
- SD4602226
- System type
- Community Water System
- Population served
- 60
- Service connections
- 29
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Treatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
January 1, 2009 – April 27, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
January 1, 2004 – December 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2009 – April 27, 2009 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| January 1, 2004 – December 31, 2004 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
DEER RUN ESTATES
6052672088
JEFFERSON, SD 57038