CUSTER, SD · Custer County
ELK RIDGE PARK Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of January 1, 2022. 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 Custer County, SD.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- SD4600545
- System type
- Community Water System
- Population served
- 32
- Service connections
- 16
- Ownership
- privately owned
- Water source
- groundwater (wells)
ELK RIDGE PARK is one of 583 community water systems in South Dakota in the 500 or fewer people size category, formerly serving 32 people from groundwater.
EPA's federal records list this system as inactive in 2022; the record below is historical.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
ELK RIDGE PARK
Phone not on record
CUSTER, SD 57730