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Non-Transient Non-Community Water System · PWS IL3047530

Stateline Foundries

Roscoe, Illinois 61073 - drinking water served from groundwater sources to 52 people, tracked in EPA SDWIS and UCMR5.

52
People served
406
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 406 drinking-water violations at Stateline Foundries, 2% of them health-based - above the Illinois per-system average.

406
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
52
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Stateline Foundries

Stateline Foundries is a private-owned non-transient non-community water system that delivers drinking water to 52 residents in Roscoe, Illinois (Winnebago County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 406 total violations for this system , of which 10 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 388 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 Nitrate, recorded in 21 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%).

Stateline Foundries's 406 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
52
Total Violations
406
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Winnebago
School/Daycare
No
MCL Violations
2
Monitoring Violations
388
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 21 2021
Lead and Copper Rule MR 16 2024
1,2,4-Trichlorobenzene MR 9 2020
cis-1,2-Dichloroethylene MR 9 2020
Vinyl chloride MR 9 2020
1,1-Dichloroethylene MR 9 2020
trans-1,2-Dichloroethylene MR 9 2020
1,2-Dichloroethane MR 9 2020
1,1,1-Trichloroethane MR 9 2020
Carbon tetrachloride MR 9 2020
1,1,2-Trichloroethane MR 9 2020
Benzene MR 9 2020
o-Dichlorobenzene MR 9 2020
1,2-Dichloropropane MR 9 2020
Tetrachloroethylene MR 9 2020
Toluene MR 9 2020
Ethylbenzene MR 9 2020
Trichloroethylene MR 9 2020
Xylenes, Total MR 9 2020
Styrene MR 9 2020
p-Dichlorobenzene MR 9 2020
DICHLOROMETHANE MR 9 2020
CHLOROBENZENE MR 9 2020
Revised Total Coliform Rule MON 7 2023
Cadmium MR 5 2005
CYANIDE MR 5 2005
Mercury MR 5 2005
Beryllium, Total MR 5 2005
Thallium, Total MR 5 2005
Selenium MR 5 2005

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 Stateline Foundries.

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 IL3047530 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 Stateline Foundries 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 Public Notice Other 4 SDWIS / IL3047530 / 7500
2024 Lead and Copper Rule MR 16 SDWIS / IL3047530 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IL3047530 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / IL3047530 / 5200
2023 Revised Total Coliform Rule MON 7 SDWIS / IL3047530 / 8000
2021 Nitrate MR 21 SDWIS / IL3047530 / 1040
2020 1,2,4-Trichlorobenzene MR 9 SDWIS / IL3047530 / 2378
2020 cis-1,2-Dichloroethylene MR 9 SDWIS / IL3047530 / 2380
2020 Vinyl chloride MR 9 SDWIS / IL3047530 / 2976
2020 1,1-Dichloroethylene MR 9 SDWIS / IL3047530 / 2977
2020 trans-1,2-Dichloroethylene MR 9 SDWIS / IL3047530 / 2979
2020 1,2-Dichloroethane MR 9 SDWIS / IL3047530 / 2980
2020 1,1,1-Trichloroethane MR 9 SDWIS / IL3047530 / 2981
2020 Carbon tetrachloride MR 9 SDWIS / IL3047530 / 2982
2020 1,1,2-Trichloroethane MR 9 SDWIS / IL3047530 / 2985

How Stateline Foundries Compares

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

Metric Stateline Foundries Illinois avg Federal benchmark
Total violations 406 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 52 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 Stateline Foundries water safe to drink? ▼
Stateline Foundries (PWS ID: IL3047530) has 406 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 52 people using Groundwater sources.
How many people does Stateline Foundries serve? ▼
Stateline Foundries serves 52 people in Roscoe, Illinois. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Stateline Foundries have? ▼
Stateline Foundries has 406 total violations: 10 health-based violations (MCL exceedances or treatment failures), 388 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Stateline Foundries water? ▼
No PFAS testing data is available for Stateline Foundries under the EPA's UCMR5 monitoring program.
What water source does Stateline Foundries use? ▼
Stateline Foundries uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.