YANKTON, SD · Yankton County
LEWIS AND CLARK WATER CO Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of September 1, 1992. 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 Yankton 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)
- SD4600380
- System type
- Community Water System
- Population served
- 70
- Service connections
- 0
- Ownership
- privately owned
- Water source
- groundwater (wells)
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)
Not on record
605-665-3718
YANKTON, SD 57078