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Community Water System · PWS IL1370450

Waverly

Waverly, Illinois 62692 - drinking water served from surface water sources to 1,194 people, tracked in EPA SDWIS and UCMR5.

1,194
People served
174
EPA violations
131
Health-based
Untested
UCMR5 result

The verdict

EPA records 174 drinking-water violations at Waverly, 75% of them health-based - above the Illinois per-system average.

174
Total EPA violations on record
75%
Health-based (MCL / treatment failure)
1,194
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Waverly

Waverly is a local-owned community water system that delivers drinking water to 1,194 residents in Waverly, Illinois (Morgan County) through 588 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 174 total violations for this system , of which 131 (75%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 39 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 110 violations (TT, 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, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Waverly's 174 violations sit above 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
1,194
Total Violations
174
Health-Based Violations
131
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
588
County
Morgan
School/Daycare
No
MCL Violations
21
Monitoring Violations
39
Treatment Tech Violations
110

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 110 2007
TTHM MCL 21 2010
Interim Enhanced Surface Water Treatment Rule MR 12 2011
Coliform (TCR) MR 6 2001
CARBON, TOTAL MR 4 2004
Revised Total Coliform Rule MON 4 2021
Chloramine MR 4 2021
Barium MR 1 1979
Nitrate MR 1 1979
Fluoride MR 1 1979
Mercury MR 1 1979
Cadmium MR 1 1979
Chromium MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1977
Selenium MR 1 1979
Arsenic MR 1 1979

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 Waverly.

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 IL1370450 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 Waverly 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
2021 Revised Total Coliform Rule MON 4 SDWIS / IL1370450 / 8000
2021 Chloramine MR 4 SDWIS / IL1370450 / 1006
2011 Interim Enhanced Surface Water Treatment Rule MR 12 SDWIS / IL1370450 / 0300
2010 TTHM MCL 21 SDWIS / IL1370450 / 2950
2007 Surface Water Treatment Rule TT 110 SDWIS / IL1370450 / 0200
2004 CARBON, TOTAL MR 4 SDWIS / IL1370450 / 2920
2001 Coliform (TCR) MR 6 SDWIS / IL1370450 / 3100
1979 Barium MR 1 SDWIS / IL1370450 / 1010
1979 Nitrate MR 1 SDWIS / IL1370450 / 1040
1979 Fluoride MR 1 SDWIS / IL1370450 / 1025
1979 Mercury MR 1 SDWIS / IL1370450 / 1035
1979 Cadmium MR 1 SDWIS / IL1370450 / 1015
1979 Chromium MR 1 SDWIS / IL1370450 / 1020
1979 Selenium MR 1 SDWIS / IL1370450 / 1045
1979 Arsenic MR 1 SDWIS / IL1370450 / 1005

How Waverly Compares

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

Metric Waverly Illinois avg Federal benchmark
Total violations 174 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 131 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,194 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 Waverly water safe to drink? ▼
Waverly (PWS ID: IL1370450) has 174 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,194 people using Surface Water sources.
How many people does Waverly serve? ▼
Waverly serves 1,194 people in Waverly, Illinois. It is a Local-owned system using Surface Water water sources with 588 service connections.
What type of violations does Waverly have? ▼
Waverly has 174 total violations: 131 health-based violations (MCL exceedances or treatment failures), 39 monitoring/reporting violations, and 110 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Waverly water? ▼
No PFAS testing data is available for Waverly under the EPA's UCMR5 monitoring program.
What water source does Waverly use? ▼
Waverly uses Surface Water 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.