Drinking Water Compliance OS

RAPID CITY, SD · Pennington County

RAPID CITY 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)
SD4600406
System type
Community Water System
Population served
72,009
Service connections
23,171
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • 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

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Contact

RAPID CITY

6053944162

RAPID CITY, SD 57701