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Community Water System · PWS IL1590100

Claremont

Claremont, Illinois 62421 - drinking water served from groundwater sources to 190 people, tracked in EPA SDWIS and UCMR5.

190
People served
69
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 69 drinking-water violations at Claremont - below the Illinois per-system average.

69
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
190
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Claremont

Claremont is a local-owned community water system that delivers drinking water to 190 residents in Claremont, Illinois (Richland County) through 76 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 monitoring and reporting violations are on file. The most recent violation on record dates to 1996.

The most frequently cited contaminant at this system is Di(2-ethylhexyl) phthalate, recorded in 4 violations (MR). 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%).

Claremont's 69 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
190
Total Violations
69
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
76
County
Richland
School/Daycare
No
MCL Violations
0
Monitoring Violations
59
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Di(2-ethylhexyl) phthalate MR 4 1996
Coliform (TCR) MR 3 1992
cis-1,2-Dichloroethylene MR 3 1995
Xylenes, Total MR 3 1995
o-Dichlorobenzene MR 3 1995
1,1-Dichloroethylene MR 3 1995
p-Dichlorobenzene MR 3 1995
trans-1,2-Dichloroethylene MR 3 1995
Trichloroethylene MR 3 1995
CHLOROBENZENE MR 3 1995
Benzene MR 3 1995
Toluene MR 3 1995
Ethylbenzene MR 3 1995
Styrene MR 3 1995
1,2-Dichloroethane MR 3 1995
Tetrachloroethylene MR 3 1995
1,2-Dichloropropane MR 3 1995
1,1,1-Trichloroethane MR 3 1995
Carbon tetrachloride MR 3 1995
Gross Alpha, Excl. Radon and U MR 1 1977

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 Claremont.

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 IL1590100 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 Claremont 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
1996 Di(2-ethylhexyl) phthalate MR 4 SDWIS / IL1590100 / 2039
1995 cis-1,2-Dichloroethylene MR 3 SDWIS / IL1590100 / 2380
1995 Xylenes, Total MR 3 SDWIS / IL1590100 / 2955
1995 o-Dichlorobenzene MR 3 SDWIS / IL1590100 / 2968
1995 1,1-Dichloroethylene MR 3 SDWIS / IL1590100 / 2977
1995 p-Dichlorobenzene MR 3 SDWIS / IL1590100 / 2969
1995 trans-1,2-Dichloroethylene MR 3 SDWIS / IL1590100 / 2979
1995 Trichloroethylene MR 3 SDWIS / IL1590100 / 2984
1995 CHLOROBENZENE MR 3 SDWIS / IL1590100 / 2989
1995 Benzene MR 3 SDWIS / IL1590100 / 2990
1995 Toluene MR 3 SDWIS / IL1590100 / 2991
1995 Ethylbenzene MR 3 SDWIS / IL1590100 / 2992
1995 Styrene MR 3 SDWIS / IL1590100 / 2996
1995 1,2-Dichloroethane MR 3 SDWIS / IL1590100 / 2980
1995 Tetrachloroethylene MR 3 SDWIS / IL1590100 / 2987

How Claremont Compares

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

Metric Claremont Illinois avg Federal benchmark
Total violations 69 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 190 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 Claremont water safe to drink? ▼
Claremont (PWS ID: IL1590100) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 190 people using Groundwater sources.
How many people does Claremont serve? ▼
Claremont serves 190 people in Claremont, Illinois. It is a Local-owned system using Groundwater water sources with 76 service connections.
What type of violations does Claremont have? ▼
Claremont has 69 total violations: 0 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Claremont water? ▼
No PFAS testing data is available for Claremont under the EPA's UCMR5 monitoring program.
What water source does Claremont use? ▼
Claremont 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.