Water Quality Report · Updated May 12, 2026

AQUA ILLINOIS-KANKAKEE

Serving 80,000 residents in KANKAKEE, Illinois .

National rank 57th percentile
Illinois rank 34th percentile
Data confidence Medium
Quick answer

AQUA ILLINOIS-KANKAKEE delivers tap water graded C (65/100) by TapWaterSafety.org. The utility serves approximately 80,000 residents in KANKAKEE, Illinois using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 815-640-8348.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
80,000
People served
1
City served
27
Contaminants detected
13
Above health guidelines
0
EPA violations (5 yr)

Is KANKAKEE tap water safe to drink?

AQUA ILLINOIS-KANKAKEE delivers tap water that earns a grade of C (65/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 80,000 residents in KANKAKEE, drawing from surface water.

Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Bromodichloromethane, Trichloroacetic acid, Chromium (hexavalent), Dichloroacetic acid, Chloroform, Dibromochloromethane, Nitrate, Nitrate and nitrite, Radium, combined (-226 and -228), Dibromoacetic acid. 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.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for AQUA ILLINOIS-KANKAKEE.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 31.7 ppb, 528x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 33.3 ppb, 333x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 44.4 ppb, 296x above the EWG health guideline of 0.15 ppb.

Contact AQUA ILLINOIS-KANKAKEE

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

Recommended water filters for KANKAKEE

Filters matched to the specific contaminants in this water supply.

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 65/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
18 / 20
Compliance History
10 / 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
31.7 ppb 0.06 528× over
Haloacetic acids (HAA5)
Disinfection byproduct
33.3 ppb 0.1 60.0 60 333× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
44.4 ppb 0.15 80.0 100 296× over
Bromodichloromethane
Disinfection byproduct
9.43 ppb 0.06 157× over
Trichloroacetic acid
Disinfection byproduct
9.99 ppb 0.1 100× over
Chromium (hexavalent)
Heavy metal
1.9 ppb 0.02 95× over
Dichloroacetic acid
Disinfection byproduct
18.3 ppb 0.2 91× over
Chloroform
Disinfection byproduct
32.4 ppb 0.4 81× over
Dibromochloromethane
Disinfection byproduct
2.55 ppb 0.1 25× over
Nitrate
Inorganic
3.47 ppm 0.14 10.0 11.3 11.3 10 25× over
Nitrate and nitrite
Inorganic
2.9 ppm 0.14 10.0 11.3 11.3 10 21× over
Radium, combined (-226 and -228)
Radiological
0.55 pCi/L 0.05 5.0 11× over
Dibromoacetic acid
Disinfection byproduct
0.301 ppb 0.03 10× over
1,4-Dioxane
Semi-volatile organic compound
0.27 ppb 0.35 50 1 Below guideline
Monobromoacetic acid
Disinfection byproduct
4.22 ppb 25.0 Below guideline
Manganese
Heavy metal
11.4 ppb 100.0 50 80 Below guideline
Molybdenum
Other
4.51 ppb 40.0 Below guideline
Chloromethane
Other
0.275 ppb 2.69 Below guideline
2,4-D
Pesticide/Herbicide
1.0 ppb 20.0 70.0 Below guideline
Selenium
Heavy metal
0.733 ppb 30.0 50.0 20 40 30 Below guideline
Barium
Heavy metal
15.7 ppb 700.0 2000.0 1300 2000 Below guideline
Vanadium
Other
0.346 ppb 21.0 Below guideline
Monochloroacetic acid
Disinfection byproduct
0.487 ppb 53.0 Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
1.08 ppt 1000.0 Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.54 ppt 2000.0 Below guideline
Strontium
Radiological
0.09 ppb 1500.0 Below guideline
Fluoride
Inorganic
0.675 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.

AQUA ILLINOIS-KANKAKEE service area

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

About this water system

Public Water System ID
IL0915030
Owner type
Private
Source water
Surface water
Service connections
29,188
Service area
KANKAKEE, Kankakee County, Illinois