PlainWater

Community Water System · PWS IL0995336

Lynnwood Water Corporation

Peru, Illinois 61354 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
467
EPA violations
258
Health-based
Untested
UCMR5 result

The verdict

EPA records 467 drinking-water violations at Lynnwood Water Corporation, 55% of them health-based - above the Illinois per-system average.

467
Total EPA violations on record
55%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lynnwood Water Corporation

Lynnwood Water Corporation is a private-owned community water system that delivers drinking water to 100 residents in Peru, Illinois (LaSalle County) through 40 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 467 total violations for this system , of which 258 (55%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 160 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 234 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, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

Lynnwood Water Corporation's 467 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
100
Total Violations
467
Health-Based Violations
258
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
40
County
LaSalle
School/Daycare
No
MCL Violations
258
Monitoring Violations
160
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 234 2009
Coliform (TCR) MR 24 1998
Gross Alpha, Excl. Radon and U MCL 24 2009
Public Notice Other 20 2007
Nitrate MR 15 1998
Combined Radium (-226 and -228) MR 14 2006
Combined Uranium MR 6 2008
Lead and Copper Rule MR 5 1998
Methoxychlor MR 3 1997
Heptachlor MR 3 1997
2,4-D MR 3 1997
2,4,5-TP MR 3 1997
Pentachlorophenol MR 3 1997
Total Polychlorinated Biphenyls (PCB) MR 3 1997
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1997
ETHYLENE DIBROMIDE MR 3 1997
Chlordane MR 3 1997
Endrin MR 3 1997
Endothall MR 3 1997
Di(2-ethylhexyl) adipate MR 3 1997
OXAMYL MR 3 1997
Simazine MR 3 1997
Di(2-ethylhexyl) phthalate MR 3 1997
Picloram MR 3 1997
Hexachlorocyclopentadiene MR 3 1997
HEXACHLOROBENZENE MR 3 1997
Benzo(a)pyrene MR 3 1997
Gross Alpha, Excl. Radon and U MR 3 1998
Toxaphene MR 3 1997
BHC-GAMMA MR 3 1997

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 Lynnwood Water Corporation.

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 IL0995336 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 Lynnwood Water Corporation 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
2009 Combined Radium (-226 and -228) MCL 234 SDWIS / IL0995336 / 4010
2009 Gross Alpha, Excl. Radon and U MCL 24 SDWIS / IL0995336 / 4000
2008 Combined Uranium MR 6 SDWIS / IL0995336 / 4006
2007 Public Notice Other 20 SDWIS / IL0995336 / 7500
2006 Combined Radium (-226 and -228) MR 14 SDWIS / IL0995336 / 4010
1998 Coliform (TCR) MR 24 SDWIS / IL0995336 / 3100
1998 Nitrate MR 15 SDWIS / IL0995336 / 1040
1998 Lead and Copper Rule MR 5 SDWIS / IL0995336 / 5000
1998 Gross Alpha, Excl. Radon and U MR 3 SDWIS / IL0995336 / 4000
1997 Methoxychlor MR 3 SDWIS / IL0995336 / 2015
1997 Heptachlor MR 3 SDWIS / IL0995336 / 2065
1997 2,4-D MR 3 SDWIS / IL0995336 / 2105
1997 2,4,5-TP MR 3 SDWIS / IL0995336 / 2110
1997 Pentachlorophenol MR 3 SDWIS / IL0995336 / 2326
1997 Total Polychlorinated Biphenyls (PCB) MR 3 SDWIS / IL0995336 / 2383

How Lynnwood Water Corporation Compares

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

Metric Lynnwood Water Corporation Illinois avg Federal benchmark
Total violations 467 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 258 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 100 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 Lynnwood Water Corporation water safe to drink?
Lynnwood Water Corporation (PWS ID: IL0995336) has 467 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Lynnwood Water Corporation serve?
Lynnwood Water Corporation serves 100 people in Peru, Illinois. It is a Private-owned system using Groundwater water sources with 40 service connections.
What type of violations does Lynnwood Water Corporation have?
Lynnwood Water Corporation has 467 total violations: 258 health-based violations (MCL exceedances or treatment failures), 160 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lynnwood Water Corporation water?
No PFAS testing data is available for Lynnwood Water Corporation under the EPA's UCMR5 monitoring program.
What water source does Lynnwood Water Corporation use?
Lynnwood Water Corporation 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.
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.