Drinking Water Compliance OS

ALEDO, IL · Mercer County

ALEDO 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)
IL1310050
System type
Community Water System
Population served
3,470
Service connections
1,820
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2020 – August 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2020 – August 31, 2021

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2002 – March 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    September 26, 2000 – April 2, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    June 1, 1998 – March 21, 2000

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 1995 – December 31, 1998

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    June 16, 1994 – June 15, 1998

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    August 1, 1991 – July 10, 1992

    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

BLASER, JUSTIN

309-582-7241

ALEDO, IL 61231