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Community Water System · PWS IL1290010

Menard Rural Water Coop

Petersburg, Illinois 62675 - drinking water served from groundwater sources to 753 people, tracked in EPA SDWIS and UCMR5.

753
People served
56
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 56 drinking-water violations at Menard Rural Water Coop, 38% of them health-based - below the Illinois per-system average.

56
Total EPA violations on record
38%
Health-based (MCL / treatment failure)
753
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Menard Rural Water Coop

Menard Rural Water Coop is a private-owned community water system that delivers drinking water to 753 residents in Petersburg, Illinois (Menard County) through 301 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 56 total violations for this system , of which 21 (38%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is TTHM, recorded in 21 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. Statewide, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

Menard Rural Water Coop's 56 violations sit below the Illinois average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
753
Total Violations
56
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
301
County
Menard
School/Daycare
No
MCL Violations
21
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 21 2021
Revised Total Coliform Rule MON 8 2024
Consumer Confidence Rule Other 8 2023
Chlorine MR 8 2024
Lead and Copper Rule MR 7 2022
Coliform (TCR) MR 2 2003

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Menard Rural Water Coop.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IL1290010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA, Bureau of Water is the primacy agency that licenses and inspects Menard Rural Water Coop under EPA-delegated authority.

Open IL regulator portal

Source: Illinois EPA, Bureau of Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 8 SDWIS / IL1290010 / 8000
2024 Chlorine MR 8 SDWIS / IL1290010 / 0999
2023 Consumer Confidence Rule Other 8 SDWIS / IL1290010 / 7000
2022 Lead and Copper Rule MR 7 SDWIS / IL1290010 / 5000
2021 TTHM MCL 21 SDWIS / IL1290010 / 2950
2003 Coliform (TCR) MR 2 SDWIS / IL1290010 / 3100

How Menard Rural Water Coop Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Menard Rural Water Coop Illinois avg Federal benchmark
Total violations 56 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 753 2,458 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Menard Rural Water Coop water safe to drink? ▼
Menard Rural Water Coop (PWS ID: IL1290010) has 56 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 753 people using Groundwater sources.
How many people does Menard Rural Water Coop serve? ▼
Menard Rural Water Coop serves 753 people in Petersburg, Illinois. It is a Private-owned system using Groundwater water sources with 301 service connections.
What type of violations does Menard Rural Water Coop have? ▼
Menard Rural Water Coop has 56 total violations: 21 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Menard Rural Water Coop water? ▼
No PFAS testing data is available for Menard Rural Water Coop under the EPA's UCMR5 monitoring program.
What water source does Menard Rural Water Coop use? ▼
Menard Rural Water Coop uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.