Drinking Water Compliance OS

ASSUMPTION, IL · Christian County

ASSUMPTION Water System

Current status

2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
IL0210050
System type
Community Water System
Population served
1,315
Service connections
622
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 13, 2025

    Unaddressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 22, 2025

    Unaddressed
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – December 4, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    September 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    September 1, 2024 – September 30, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2024 – September 30, 2024

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 21, 2023 – January 24, 2025

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

DUNCAN, JOHN A.

217-820-0914

ASSUMPTION, IL 62510