Drinking Water Compliance OS

SOMONAUK, IL · DeKalb County

SOMONAUK 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 Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.

System facts

System ID (PWSID)
IL0374870
System type
Community Water System
Population served
1,860
Service connections
741
Ownership
local government
Water source
groundwater (wells)

Violation history

  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    January 12, 1995 – February 20, 1997

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

EIPERS, BEN P.

815-498-2056

SOMONAUK, IL 60552