WaterVerge

Is Lincolnwood, IL Tap Water Safe to Drink?

Graded B+, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

13K residents served 1 water system PWSID: IL0311650
Overall Score
84.4 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased surface water
#409 of 891 in Illinois Top 38% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.4/100
waterverge.com
B+ 84.4/100

Lincolnwood, IL — Water Quality Report

Lincolnwood's drinking water received a grade of B+ (84.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 13,463 residents using purchased surface water.

Lead levels were measured at 4.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 3 violations on record, including 1 health-based violation. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Lincolnwood's water

Lincolnwood ranks #409 out of 891 cities in Illinois for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Hexavalent chromium (chromium-6) was detected at 0.20 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
84.4 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.4 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Lincolnwood, IL water safe to drink?

Concerns Identified

Lincolnwood's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 13,463 residents using surface water (rivers, lakes, or reservoirs).

3
Active Violations
4.4 ppb
Lead (90th %ile)
None
PFAS Detected

Recent water quality updates for Lincolnwood

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lincolnwood's water quality assessment. Grade: B+ (84.4/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Lincolnwood's water supply.

Lead Within Limits
Detected: 4.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lincolnwood's water system has 3 total violations on record, including 1 health-based violation. 3 remain unresolved. 1 violation was issued in the last 5 years.

RPTTT
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Dec 1992 Lead and Copper Rule Open

Where does Lincolnwood's water come from?

Lincolnwood's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 13,463 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Lincolnwood residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lincolnwood's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
4.4 ppb
EPA Action Level: 15 ppb · 29% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
15.9 µg/L
EPA MCL: 60 µg/L · 27% of limit
Within LimitUCMR 4 DataHAA6Br: 10.3 µg/LHAA9: 24.8 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.20 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
128.3 µg/L
EPA Health Ref Level: 1,500 µg/L · 9% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
0.8 µg/L
EPA Secondary MCL: 50 µg/L · 2% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.30 µg/L
EPA Short-term HA: 21 µg/L · 1% of limit
DetectedUCMR 3 Data
Molybdenum
Inorganic
Detected
1.20 µg/L
EPA Lifetime HA: 40 µg/L · 3% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

3
Total violations
1
Health-based
3
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

3 Total
3 Active
1 Health-based
0 Resolved
Violations by category
Lead and Copper Rule Revisions
1
Lead and Copper Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Dec 1992 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Industrial pollution

Top industrial polluters within 10 miles of Lincolnwood

Industrial polluters nearby

Reported releases to surface water by facilities near Lincolnwood, ranked by pounds discharged annually.

Total reported releases to surface water: 7 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
VALMONT COATINGS INC EMPIRE GALVANIZING
Fabricated Metals · VALMONT INDUSTRIES INC
FRANKLIN PARK, IL60131
Zinc compounds79.5 mi
SCOT FORGE CO
Fabricated Metals · SCOT FORGE
FRANKLIN PARK, IL60131
Manganese08.1 mi
VCNA PRAIRIE LLC. - YARD 1008
Nonmetallic Mineral Product · VCNA PRAIRIE LLC
DES PLAINES, IL60018
9.3 mi
RAHCO RUBBER INC.
Plastics and Rubber · NA
DES PLAINES, IL60018
7.7 mi
DELAVAL MANUFACTURING
Chemicals · DELAVAL INC
DES PLAINES, IL60018
9.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.4 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 19.0 ppb from 1992 (19.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Lincolnwood compares by contaminant

Explore where Lincolnwood ranks among all Illinois cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
13,463
Water Systems
1
Water Source

Where Lincolnwood's water comes from

Purchased Surface Water

Lincolnwood's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 13,463 people through 1 water system.

Infrastructure

Water systems serving Lincolnwood

System Name PWSID Population Source
LINCOLNWOOD IL0311650 13,463 SWP
Regional Comparison

How Lincolnwood compares

Full Illinois rankings →

Lincolnwood's score of 84.4/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Lincolnwood (this city)
84.4
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Lincolnwood, IL

Economic Profile
$99,390
Median Income
$450,701
Median Home Value
$3,272/mo
Median Rent
7.5%
Unemployment
Community
44.3
Median Age
1,903
People / sq mi
57.5%
College Educated
82.1%
Homeownership
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Frequently asked questions

Is Lincolnwood, IL tap water safe to drink?

Lincolnwood's water quality earned a grade of B+ (84.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #409 out of 891 cities tested in Illinois.

What contaminants are in Lincolnwood's water?

Lead was measured at 4.4 ppb (90th percentile). No PFAS compounds were detected. 3 violations are on record.

How is Lincolnwood's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Lincolnwood?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Lincolnwood's water come from?

Lincolnwood's water is sourced from Purchased surface water. The city has 1 water system serving approximately 13,463 residents.

What health violations has Lincolnwood's water system had?

Lincolnwood has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Lincolnwood's water compare to other cities?

Lincolnwood ranks #409 out of 891 cities in Illinois (better than 54% of state cities) and #5899 out of 15744 cities nationally (63th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.