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Community Water System · PWS IL0710050

Biggsville

Biggsville, Illinois 61418 - drinking water served from groundwater sources to 273 people, tracked in EPA SDWIS and UCMR5.

273
People served
1,023
EPA violations
910
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,023 drinking-water violations at Biggsville, 89% of them health-based - above the Illinois per-system average.

1,023
Total EPA violations on record
89%
Health-based (MCL / treatment failure)
273
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Biggsville

Biggsville is a local-owned community water system that delivers drinking water to 273 residents in Biggsville, Illinois (Henderson County) through 150 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,023 total violations for this system , of which 910 (89%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 50 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 586 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, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Biggsville's 1,023 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
273
Total Violations
1,023
Health-Based Violations
910
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
150
County
Henderson
School/Daycare
No
MCL Violations
906
Monitoring Violations
50
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 586 2013
Gross Alpha, Excl. Radon and U MCL 307 2012
Coliform (TCR) MR 32 1997
Public Notice Other 19 2014
Fluoride MCL 13 1982
Consumer Confidence Rule Other 12 2018
Gross Alpha, Excl. Radon and U MR 6 2002
Chlorine MR 5 2013
Combined Radium (-226 and -228) MR 5 2002
Lead and Copper Rule TT 4 2016
Lead and Copper Rule MR 2 2015

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 Biggsville.

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 IL0710050 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 Biggsville 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
2018 Consumer Confidence Rule Other 12 SDWIS / IL0710050 / 7000
2016 Lead and Copper Rule TT 4 SDWIS / IL0710050 / 5000
2015 Lead and Copper Rule MR 2 SDWIS / IL0710050 / 5000
2014 Public Notice Other 19 SDWIS / IL0710050 / 7500
2013 Combined Radium (-226 and -228) MCL 586 SDWIS / IL0710050 / 4010
2013 Chlorine MR 5 SDWIS / IL0710050 / 0999
2012 Gross Alpha, Excl. Radon and U MCL 307 SDWIS / IL0710050 / 4000
2002 Gross Alpha, Excl. Radon and U MR 6 SDWIS / IL0710050 / 4000
2002 Combined Radium (-226 and -228) MR 5 SDWIS / IL0710050 / 4010
1997 Coliform (TCR) MR 32 SDWIS / IL0710050 / 3100
1982 Fluoride MCL 13 SDWIS / IL0710050 / 1025

How Biggsville Compares

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

Metric Biggsville Illinois avg Federal benchmark
Total violations 1,023 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 910 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 273 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 Biggsville water safe to drink? ▼
Biggsville (PWS ID: IL0710050) has 1023 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 273 people using Groundwater sources.
How many people does Biggsville serve? ▼
Biggsville serves 273 people in Biggsville, Illinois. It is a Local-owned system using Groundwater water sources with 150 service connections.
What type of violations does Biggsville have? ▼
Biggsville has 1,023 total violations: 910 health-based violations (MCL exceedances or treatment failures), 50 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Biggsville water? ▼
No PFAS testing data is available for Biggsville under the EPA's UCMR5 monitoring program.
What water source does Biggsville use? ▼
Biggsville 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.