Public Water Partners

FLAT ROCK, IL · Crawford County

FLAT ROCK Water System

Consumer Confidence Report status

FLAT ROCK must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 3 items for FLAT ROCK that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
IL0330050
System type
Community Water System
Population served
325
Service connections
168
Ownership
local government
Water source
groundwater (wells)

FLAT ROCK is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 325 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 1977 and 2025, of which 3 remain open; none are health-based.

Of the 7, 3 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Consumer Confidence Rule, the Lead and Copper Rule, and inorganic chemicals.

Violation history

  • Notification, Known or Potential LSL

    —

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2024 – August 8, 2024

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2024

    Unaddressed

  • Maximum Contaminant Level Violation, Average

    Health-based

    Nitrite

    October 1, 1997 – November 17, 1997

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    November 1, 1995 – November 30, 1995

    Archived

  • 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

Common questions

Is FLAT ROCK required to publish a Consumer Confidence Report?

Yes. FLAT ROCK is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is FLAT ROCK’s next Consumer Confidence Report due?

FLAT ROCK’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does FLAT ROCK have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 3 items for FLAT ROCK that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

RALSTON, VIC

812-830-9415

FLAT ROCK, IL 62427