Drinking Water Compliance OS

NORTH SIOUX CITY, SD · Union County

NORTH SIOUX 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)
SD4600226
System type
Community Water System
Population served
3,042
Service connections
1,249
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 1999 – December 31, 1999

    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

No enforcement actions on record for this system.

Contact

NORTH SIOUX CITY

6052329165

NORTH SIOUX CITY, SD 57049