Is West Dundee, IL tap water safe?
The short answer
2 of the 3 utilities serving West Dundee have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records: Carpentersville and Elgin.
West Dundee, which serves the most people here, has 1 result above the health goal. The worst: Lead at 2.4 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from West Dundee is soft, typically 18 mg/L (1.1 grains per gallon). How Illinois’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in West Dundee’s ZIP codes, from EPA’s estimates.
- Open report
West Dundee
Illinois · serves 7,845 people · about 1,600 in West Dundee
1 result above the health goal. The worst: Lead at 2.4 ppb, above the health goal. Hardness: soft, typically 18 mg/L (1.1 grains per gallon).
No health-based violations since 2016
- Open report
Carpentersville
Illinois · serves 37,983 people · about 220 in West Dundee
1 result above the action level and 2 results above the health goal. The worst: Copper at 1.4 ppm, above the action level. Hardness: hard to very hard depending on the source, 150 to 290 mg/L (8.8 to 17 grains per gallon).
No health-based violations since 2016
- Open report
Elgin
Illinois · serves 114,797 people · about 130 in West Dundee
1 result above the action level, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lead at 18.5 ppb, above the action level. Hardness: moderately hard to hard depending on the source, 83 to 128 mg/L (4.8 to 7.5 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in West Dundee’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near West Dundee
The 3 labs Illinois certifies closest to West Dundee, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC - McHenry
McHenry, IL · about 16 miles
Certified for bacteria
Suburban Laboratories, Inc.
Geneva, IL · about 16 miles
Certified for bacteria
McHenry County Health Department
Woodstock, IL · about 17 miles
Certified for bacteria
Illinois Department of Public Health: Coliform bacteria and nitrate testing for private wells, with sample bottles from your local health department, or from the department's nearest regional office where there is none. You mail the sample to the lab, and results come back through the health department. Well Sampling for Coliform & Nitrate, Illinois Department of Public Health.
All 30 certified labs for IllinoisZIP codes in West Dundee
Which ZIP codes are in West Dundee: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Illinois Department of Public Health, certified water microbiology laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near West Dundee
Other towns in Kane County with a page of their own.
What to do next
- Read West Dundee’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water