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Community Water System · PWS IL1635110

Kaskaskia Water District

New Athens, Illinois 62264 - drinking water served from surface water sources to 0 people, tracked in EPA SDWIS and UCMR5.

0
People served
79
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 79 drinking-water violations at Kaskaskia Water District, 18% of them health-based - above the Illinois per-system average.

79
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
0
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kaskaskia Water District

Kaskaskia Water District is a local-owned community water system that delivers drinking water to 0 residents in New Athens, Illinois (St. Clair County) through 9 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 79 total violations for this system , of which 14 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 65 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 14 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%).

Kaskaskia Water District's 79 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
0
Total Violations
79
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9
County
St. Clair
School/Daycare
No
MCL Violations
0
Monitoring Violations
65
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 14 1995
Surface Water Treatment Rule TT 8 1999
Interim Enhanced Surface Water Treatment Rule TT 6 2018
ETHYLENE DIBROMIDE MR 4 2021
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2021
Dinoseb MR 4 2021
2,4-D MR 4 2021
Pentachlorophenol MR 4 2021
2,4,5-TP MR 4 2021
Picloram MR 4 2021
OXAMYL MR 4 2021
Diquat MR 4 2021
Carbofuran MR 4 2021
Dalapon MR 4 2021
Endothall MR 4 2021
Coliform (TCR) MR 2 2000
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 Kaskaskia Water District.

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 IL1635110 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 Kaskaskia Water District 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 ETHYLENE DIBROMIDE MR 4 SDWIS / IL1635110 / 2946
2021 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / IL1635110 / 2931
2021 Dinoseb MR 4 SDWIS / IL1635110 / 2041
2021 2,4-D MR 4 SDWIS / IL1635110 / 2105
2021 Pentachlorophenol MR 4 SDWIS / IL1635110 / 2326
2021 2,4,5-TP MR 4 SDWIS / IL1635110 / 2110
2021 Picloram MR 4 SDWIS / IL1635110 / 2040
2021 OXAMYL MR 4 SDWIS / IL1635110 / 2036
2021 Diquat MR 4 SDWIS / IL1635110 / 2032
2021 Carbofuran MR 4 SDWIS / IL1635110 / 2046
2021 Dalapon MR 4 SDWIS / IL1635110 / 2031
2021 Endothall MR 4 SDWIS / IL1635110 / 2033
2018 Interim Enhanced Surface Water Treatment Rule TT 6 SDWIS / IL1635110 / 0300
2000 Coliform (TCR) MR 2 SDWIS / IL1635110 / 3100
1999 Surface Water Treatment Rule TT 8 SDWIS / IL1635110 / 0200

How Kaskaskia Water District Compares

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

Metric Kaskaskia Water District Illinois avg Federal benchmark
Total violations 79 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 0 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 Kaskaskia Water District water safe to drink? ▼
Kaskaskia Water District (PWS ID: IL1635110) has 79 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 0 people using Surface Water sources.
How many people does Kaskaskia Water District serve? ▼
Kaskaskia Water District serves 0 people in New Athens, Illinois. It is a Local-owned system using Surface Water water sources with 9 service connections.
What type of violations does Kaskaskia Water District have? ▼
Kaskaskia Water District has 79 total violations: 14 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kaskaskia Water District water? ▼
No PFAS testing data is available for Kaskaskia Water District under the EPA's UCMR5 monitoring program.
What water source does Kaskaskia Water District use? ▼
Kaskaskia Water District 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.