Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Water Quality Report · Updated October 07, 2026

WAUKEGAN

Serving 87,149 residents in WAUKEGAN, Illinois .

National rank 14th percentile
Illinois rank 17th percentile
Data confidence Medium
D
56/100
Below Average
ⓘ How did we get this rating?
Quick answer

WAUKEGAN delivers tap water graded D (56/100) by TapWaterSafety.org. The utility serves approximately 87,149 residents in WAUKEGAN, Illinois using surface water. The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. For questions, the utility can be reached at 847-263-9972.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
87,149
People served
1
City served
24
Contaminants detected
14
Above health guidelines

Is WAUKEGAN tap water safe to drink?

WAUKEGAN delivers tap water that earns a grade of D (56/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.

The utility serves 87,149 residents in WAUKEGAN, drawing from surface water.

Public testing data identifies 14 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Perfluorohexane sulfonate (PFHXS), Trichloroacetic acid, Dibromochloromethane, Dichloroacetic acid, Chloroform, Dibromoacetic acid, Chromium (hexavalent), Perfluorooctanoic acid (PFOA), Perfluorooctane sulfonate (PFOS), Nitrate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for WAUKEGAN (system ID IL0971900) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded 7 quarters with a testing, reporting or notice violation.
7 of 12quarters with a violation
Nolead above EPA action level
04/24/2025last state inspection
RuleTypeSinceStatus
Consumer Confidence Rule Other (e.g. public notice) 07/01/2025 Open
Stage 2 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 04/01/2025 Open
Lead and Copper Rule Missed testing or reporting 10/01/2023 Open
Stage 1 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 04/01/2023 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for WAUKEGAN.

PFAS contamination

Severe concern

Perfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 24.4 ppb, 406x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 28.5 ppb, 190x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 16.0 ppb, 160x above the EWG health guideline of 0.1 ppb.

Contact WAUKEGAN

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for WAUKEGAN

Filters matched to the specific contaminants in this water supply.

Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)

$180-$750

Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 42, 53, 58, 372
View on retailer →

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 56/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
19 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
8 / 20
Compliance History
2 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
24.4 ppb 0.06 — — — — — 406× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
28.5 ppb 0.15 80.0 100 — — — 190× over
Haloacetic acids (HAA5)
Disinfection byproduct
16.0 ppb 0.1 60.0 60 — — — 160× over
Bromodichloromethane
Disinfection byproduct
8.53 ppb 0.06 — — — — — 142× over
Perfluorohexane sulfonate (PFHXS)
PFAS
0.113 ppt 0.001 10.0 — — — — 113× over
Trichloroacetic acid
Disinfection byproduct
5.11 ppb 0.1 — — — — — 51× over
Dibromochloromethane
Disinfection byproduct
4.59 ppb 0.1 — — — — — 46× over
Dichloroacetic acid
Disinfection byproduct
8.13 ppb 0.2 — — — — — 41× over
Chloroform
Disinfection byproduct
15.4 ppb 0.4 — — — — — 38× over
Dibromoacetic acid
Disinfection byproduct
0.743 ppb 0.03 — — — — — 25× over
Chromium (hexavalent)
Heavy metal
0.19 ppb 0.02 — — — — — 9.5× over
Perfluorooctanoic acid (PFOA)
PFAS
0.617 ppt 0.09 4.0 100 100 0.007 — 6.9× over
Perfluorooctane sulfonate (PFOS)
PFAS
1.04 ppt 0.3 4.0 100 100 1 — 3.5× over
Nitrate
Inorganic
0.23 ppm 0.14 10.0 11.3 11.3 10 — 1.6× over
Monobromoacetic acid
Disinfection byproduct
2.01 ppb 25.0 — — — — — Below guideline
Aluminum
Heavy metal
33.0 ppb 600.0 — 200 — 600 — Below guideline
Barium
Heavy metal
19.3 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Bromoform
Disinfection byproduct
0.0128 ppb 0.5 — — — — — Below guideline
Molybdenum
Other
0.542 ppb 40.0 — — — — — Below guideline
Vanadium
Other
0.249 ppb 21.0 — — — — — Below guideline
Manganese
Heavy metal
0.113 ppb 100.0 — 50 80 — — Below guideline
Strontium
Radiological
0.124 ppb 1500.0 — — — — — Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.096 ppt 2000.0 — — — — — Below guideline
Fluoride
Inorganic
0.576 ppm — 4.0 1.5 1.5 — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

WAUKEGAN service area

This water system serves 1 community in Lake County, Illinois. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
IL0971900
Owner type
Local government
Source water
Surface water
Service connections
21,499
Service area
WAUKEGAN, Lake County, Illinois