WaterVerge

Is East Dundee, IL Tap Water Safe to Drink?

Graded A-, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: IL0890250
Overall Score
89.7 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#164 of 891 in Illinois Top 17% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.7/100
waterverge.com
A- 89.7/100

East Dundee, IL — Water Quality Report

East Dundee's drinking water received a grade of A- (89.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,115 residents using groundwater.

Lead levels were measured at 2.8 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 2 violations on record, including 0 health-based violations. 1 remains unresolved.

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

What to know about East Dundee's water

East Dundee ranks #164 out of 891 cities in Illinois for water quality, placing it above average in the state.

East Dundee relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, East Dundee may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
89.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is East Dundee, IL water safe to drink?

Use Caution

East Dundee's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,115 residents using groundwater (wells).

1
Active Violations
2.8 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for East Dundee

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into East Dundee's water quality assessment. Grade: A- (89.7/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Gross Alpha, Excl. Radon and U.

Key contaminant findings

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

Lead Within Limits
Detected: 2.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

East Dundee's water system has 2 total violations on record, including 0 health-based violations. 1 remain unresolved.

MR
Most recent violations:
Jun 1977 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Kane County has experienced 5 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Flint Creek, Fox River, Fox River (Tailwater), Tyler Creek, Poplar Creek.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-776

Where does East Dundee's water come from?

East Dundee's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,115 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Flint Creek (river), Fox River (river), Fox River (Tailwater) (river), Tyler Creek (river), Poplar Creek (river).

What East Dundee residents can do

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.

Monitor alerts during storms

East Dundee's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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
2.8 ppb
EPA Action Level: 15 ppb · 19% of limit
Safe Level
Compliance Record

Violation summary

2
Total violations
0
Health-based
1
Active / unresolved
Jun 1977
Most recent violation
Compliance Record

Violations & advisories

2 Total
1 Active
0 Health-based
1 Resolved
Active
Compliance Violation
Monitoring 0
Jun 1977 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1981
Industrial pollution

Top industrial polluters within 10 miles of East Dundee

Industrial polluters nearby

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

Total reported releases to surface water: 0 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
OLDCASTLE PRECAST INC
Nonmetallic Mineral Product · CRH AMERICAS INC
ELGIN, IL60120
Lead compounds06.4 mi
AMPAC FLEXIBLES LLC (PREVIOUSLY FLEXICON INC)
Plastics and Rubber · PROAMPAC HOLDINGS INC
CARY, IL60013
7.3 mi
TRUE VALUE MANUFACTURING
Chemicals · TRUE VALUE CO
CARY, IL60013
7.5 mi
DUREX INDUSTRIES
Computers and Electronic Products · CHROMALOX INC
CARY, IL60013
7.1 mi
GROVE PLATING CO INC.
Fabricated Metals · NA
FOX RIVER GROVE, IL60021
7.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of East Dundee

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

5
Declared disasters
May 2013
Most recent
Flood
Most common type

Kane County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4116
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #776
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #373

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.8 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1993 (11.0 ppb) to 2025 (6.0 ppb).
Contaminant Rankings

See how East Dundee compares by contaminant

Explore where East Dundee ranks among all Illinois cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,115
Water Systems
1
Water Source

Where East Dundee's water comes from

Groundwater

East Dundee's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 3,115 people through 1 water system.

Local Hydrology

Water bodies near East Dundee

East Dundee is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Flint Creek
river
Fox River
river
Fox River (Tailwater)
river
Tyler Creek
river
Poplar Creek
river
Infrastructure

Water systems serving East Dundee

System Name PWSID Population Source
EAST DUNDEE IL0890250 3,115 GW
Regional Comparison

How East Dundee compares

Full Illinois rankings →

East Dundee's score of 89.7/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

East Dundee (this city)
89.7
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About East Dundee, IL

Wikipedia →

East Dundee is a village in Kane County, Illinois, United States, with a small section in Cook County. The population was 3,152 at the 2020 census.

Economic Profile
$71,116
Median Income
$249,104
Median Home Value
$1,100/mo
Median Rent
2.1%
Unemployment
Community
54.4
Median Age
417
People / sq mi
31.8%
College Educated
71.3%
Homeownership
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Frequently asked questions

Is East Dundee, IL tap water safe to drink?

East Dundee's water quality earned a grade of A- (89.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #164 out of 891 cities tested in Illinois.

What contaminants are in East Dundee's water?

Lead was measured at 2.8 ppb (90th percentile). 2 violations are on record.

How is East Dundee'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 East Dundee?

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

Where does East Dundee's water come from?

East Dundee's water is sourced from Groundwater. The city has 1 water system serving approximately 3,115 residents.

Is East Dundee's groundwater at risk of contamination?

East Dundee uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 2 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does East Dundee's water compare to other cities?

East Dundee ranks #164 out of 891 cities in Illinois (better than 82% of state cities) and #2643 out of 15744 cities nationally (83th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does East Dundee's small water system affect quality?

East Dundee's system serves approximately 3,115 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 2 violations on record.