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CAPRON

PWS ID: IL0070100 · CAPRON, Illinois 61012

CAPRON serves 1,343 people in CAPRON, Illinois using Groundwater water sources. It has 268 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CAPRON

CAPRON is a local-owned community water system that delivers drinking water to 1,343 residents in CAPRON, Illinois (Boone County) through 468 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 268 total violations for this system , of which 1 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 233 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 14 violations (Other). 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. CAPRON's 268 violations sit above the Illinois average. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%). 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
1,343
Total Violations
268
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
468
County
Boone
School/Daycare
No
MCL Violations
0
Monitoring Violations
233
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 14 2004
Nitrate MR 12 2025
Coliform (TCR) MR 9 2007
Arsenic MR 8 2020
Fluoride MR 8 2020
Di(2-ethylhexyl) phthalate MR 8 2021
Pentachlorophenol MR 8 2021
Chromium MR 8 2020
Chlorine MR 7 2024
Nickel MR 4 1997
Selenium MR 4 1997
Antimony, Total MR 4 1997
Lead and Copper Rule MR 4 2004
Endrin MR 4 2002
Methoxychlor MR 4 2002
Endothall MR 4 2002
Di(2-ethylhexyl) adipate MR 4 2002
OXAMYL MR 4 2002
Simazine MR 4 2002
Hexachlorocyclopentadiene MR 4 2002
Aldicarb sulfoxide MR 4 2002
Aldicarb MR 4 2002
LASSO MR 4 2002
Heptachlor MR 4 2002
Heptachlor epoxide MR 4 2002
2,4-D MR 4 2002
2,4,5-TP MR 4 2002
HEXACHLOROBENZENE MR 4 2002
Benzo(a)pyrene MR 4 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2002

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 CAPRON.

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 IL0070100 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 CAPRON 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
2025 Nitrate MR 12 SDWIS / IL0070100 / 1040
2024 Chlorine MR 7 SDWIS / IL0070100 / 0999
2024 Revised Total Coliform Rule MON 4 SDWIS / IL0070100 / 8000
2021 Di(2-ethylhexyl) phthalate MR 8 SDWIS / IL0070100 / 2039
2021 Pentachlorophenol MR 8 SDWIS / IL0070100 / 2326
2020 Arsenic MR 8 SDWIS / IL0070100 / 1005
2020 Fluoride MR 8 SDWIS / IL0070100 / 1025
2020 Chromium MR 8 SDWIS / IL0070100 / 1020
2007 Coliform (TCR) MR 9 SDWIS / IL0070100 / 3100
2005 Combined Radium (-226 and -228) MR 3 SDWIS / IL0070100 / 4010
2004 Consumer Confidence Rule Other 14 SDWIS / IL0070100 / 7000
2004 Lead and Copper Rule MR 4 SDWIS / IL0070100 / 5000
2002 Endrin MR 4 SDWIS / IL0070100 / 2005
2002 Methoxychlor MR 4 SDWIS / IL0070100 / 2015
2002 Endothall MR 4 SDWIS / IL0070100 / 2033

How CAPRON Compares

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

Metric CAPRON Illinois avg Federal benchmark
Total violations 268 69.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 1,343 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CAPRON water safe to drink? ▼
CAPRON (PWS ID: IL0070100) has 268 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,343 people using Groundwater sources.
How many people does CAPRON serve? ▼
CAPRON serves 1,343 people in CAPRON, Illinois. It is a Local-owned system using Groundwater water sources with 468 service connections.
What type of violations does CAPRON have? ▼
CAPRON has 268 total violations: 1 health-based violations (MCL exceedances or treatment failures), 233 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CAPRON water? ▼
No PFAS testing data is available for CAPRON under the EPA's UCMR5 monitoring program.
What water source does CAPRON use? ▼
CAPRON 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial