Drinking Water Compliance OS

DELAVAN, IL · Tazewell County

DELAVAN 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)
IL1790150
System type
Community Water System
Population served
1,743
Service connections
764
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2010 – September 30, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    Chloramine

    July 1, 2010 – September 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Archived
  • 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

SKINNER, ELIZABETH

309-244-7146

DELAVAN, IL 61734