Drinking Water Compliance OS

EGAN, SD · Moody County

BIG SIOUX COMMUNITY WATER SYSTEM 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)
SD4600429
System type
Community Water System
Population served
5,800
Service connections
2,330
Ownership
privately owned
Water source
groundwater (wells)

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

BIG SIOUX COMMUNITY WATER SYSTEM

6059972098

EGAN, SD 57024