Drinking Water Compliance OS

LA HARPE, IL · Hancock County

LAHARPE Water System

Current status

1 item on record is 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)
IL0670450
System type
Community Water System
Population served
1,200
Service connections
634
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 1, 2025 – November 1, 2025

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    April 2, 2025 – October 15, 2025

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2025 – December 31, 2025

    Archived
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – July 29, 2025

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2020 – August 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2020 – September 23, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2017 – May 31, 2017

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2017 – June 30, 2017

    Resolved
  • Single Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    August 1, 2016 – August 31, 2016

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2016 – July 28, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    May 1, 2016 – May 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2015 – September 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    July 1, 1997 – August 12, 1997

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    April 1, 1997 – June 30, 1997

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    January 1, 1997 – March 31, 1997

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 1994 – December 31, 1994

    Archived
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 1994 – October 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1994 – July 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 1994 – January 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 1993 – December 31, 1993

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    September 1, 1993 – September 30, 1993

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 1993 – August 31, 1993

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1993 – July 31, 1993

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

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

Enforcement actions

Contact

GRAVES, TIMMOTHY

217-659-7750

LA HARPE, IL 61450