Is Carpentersville, IL tap water safe?
The short answer
Carpentersville serves Carpentersville. In EPA’s and Illinois’s records it has 1 result above the action level and 2 results above the health goal, and no health-based violation since 2016.
The worst: Copper at 1.4 ppm, above the action level.
The water from Carpentersville is hard to very hard depending on the source, 150 to 290 mg/L (8.8 to 17 grains per gallon). How Illinois’s water compares.
Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Carpentersville’s water.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Copper, Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Copper, Arsenic, Lead
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 58checked Oct. 9, 2026
Certified for: Copper, Arsenic, Lead
Water testing near Carpentersville
The 3 labs Illinois certifies closest to Carpentersville, 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 15 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 Carpentersville
Which ZIP codes are in Carpentersville: 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 Carpentersville
Other towns in Kane County with a page of their own.
What to do next
- Read Carpentersville’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About CopperWhat it does to health, where it comes from, and the certification claim that addresses it.About Copper
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water