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Community Water System · PWS IL1975080

Shorewood

Shorewood, Illinois 60404 - drinking water served from groundwater sources to 18,645 people, tracked in EPA SDWIS and UCMR5.

18,645
People served
105
EPA violations
5
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 105 drinking-water violations at Shorewood, 5% of them health-based - above the Illinois per-system average, and UCMR5 testing detected 1 PFAS compound.

105
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
18,645
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shorewood

Shorewood is a local-owned community water system that delivers drinking water to 18,645 residents in Shorewood, Illinois (Will County) through 6,780 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 5 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 88 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 3.2 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Shorewood's 105 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
18,645
Total Violations
105
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
6,780
County
Will
School/Daycare
No
MCL Violations
5
Monitoring Violations
88
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 1998
Gross Alpha, Excl. Radon and U MR 5 1994
Combined Radium (-226 and -228) MR 5 1994
p-Dichlorobenzene MR 4 1992
1,2-Dichloroethane MR 4 1992
1,1,1-Trichloroethane MR 4 1992
Carbon tetrachloride MR 4 1992
Benzene MR 4 1992
Coliform (TCR) MCL 4 1993
LASSO MR 4 2014
Revised Total Coliform Rule MON 4 2021
Chlorine MR 4 2021
TTHM MR 4 2023
Total Haloacetic Acids (HAA5) MR 4 2023
Trichloroethylene MR 4 1992
Di(2-ethylhexyl) adipate MR 4 2014
Di(2-ethylhexyl) phthalate MR 4 2014
Atrazine MR 4 2014
Simazine MR 4 2014
1,1-Dichloroethylene MR 4 1992
Benzo(a)pyrene MR 4 2014
Lead and Copper Rule MR 2 2011
Consumer Confidence Rule Other 2 2023
Combined Radium (-226 and -228) MCL 1 1990

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/7/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/7/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/7/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/7/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/7/2023 <6.00 ppt 6.00 ppt Not Detected
8:2 FTS 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/7/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/7/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/7/2023 <2.00 ppt 2.00 ppt Not Detected
PFTA 8/7/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/7/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 8/7/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpS 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/7/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/7/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/7/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/7/2023 <5.00 ppt 5.00 ppt Not Detected

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 Shorewood.

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 IL1975080 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 Shorewood 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
2023 TTHM MR 4 SDWIS / IL1975080 / 2950
2023 Total Haloacetic Acids (HAA5) MR 4 SDWIS / IL1975080 / 2456
2023 Consumer Confidence Rule Other 2 SDWIS / IL1975080 / 7000
2021 Revised Total Coliform Rule MON 4 SDWIS / IL1975080 / 8000
2021 Chlorine MR 4 SDWIS / IL1975080 / 0999
2014 LASSO MR 4 SDWIS / IL1975080 / 2051
2014 Di(2-ethylhexyl) adipate MR 4 SDWIS / IL1975080 / 2035
2014 Di(2-ethylhexyl) phthalate MR 4 SDWIS / IL1975080 / 2039
2014 Atrazine MR 4 SDWIS / IL1975080 / 2050
2014 Simazine MR 4 SDWIS / IL1975080 / 2037
2014 Benzo(a)pyrene MR 4 SDWIS / IL1975080 / 2306
2011 Lead and Copper Rule MR 2 SDWIS / IL1975080 / 5000
1998 Coliform (TCR) MR 8 SDWIS / IL1975080 / 3100
1994 Gross Alpha, Excl. Radon and U MR 5 SDWIS / IL1975080 / 4000
1994 Combined Radium (-226 and -228) MR 5 SDWIS / IL1975080 / 4010

How Shorewood Compares

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

Metric Shorewood Illinois avg Federal benchmark
Total violations 105 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 18,645 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 Shorewood water safe to drink? ▼
Shorewood (PWS ID: IL1975080) has 105 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 18,645 people using Groundwater sources.
How many people does Shorewood serve? ▼
Shorewood serves 18,645 people in Shorewood, Illinois. It is a Local-owned system using Groundwater water sources with 6,780 service connections.
What type of violations does Shorewood have? ▼
Shorewood has 105 total violations: 5 health-based violations (MCL exceedances or treatment failures), 88 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shorewood water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in Shorewood's water supply: PFPeA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Shorewood use? ▼
Shorewood 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.