Drinking Water Compliance OS

SPEARFISH, SD · Lawrence County

SAINT ONGE SEWER & WATER CO 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)
SD4600287
System type
Community Water System
Population served
255
Service connections
85
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1976 – June 30, 1980

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    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)

Enforcement actions

Contact

SAINT ONGE SEWER & WATER CO

6056457369

SPEARFISH, SD 57783