Is Gages Lake, IL tap water safe?
The short answer
None of the 5 utilities serving Gages Lake has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records.
Grayslake, which serves the most people here, has 1 result above the health goal. The worst: Lead at 11 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Grayslake is moderately hard, 82 mg/L (4.8 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 Gages Lake’s ZIP codes, from EPA’s estimates.
- Open report
Grayslake
Illinois · serves 21,248 people · about 1,600 in Gages Lake
1 result above the health goal. The worst: Lead at 11 ppb, above the health goal. Hardness: moderately hard, 82 mg/L (4.8 grains per gallon).
No health-based violations since 2016
- Open report
Gurnee
Illinois · serves 30,193 people · about 1,300 in Gages Lake
1 result above the health goal. The worst: Uranium at 1.3 ppb, above the health goal. Hardness: hard, 152 mg/L (8.9 grains per gallon).
No health-based violations since 2016
- Open report
Wildwood Subdivision - Lake Co Pw
Illinois · serves 14,073 people · about 460 in Gages Lake
2 results above the health goal. The worst: Lead at 1.3 ppb, above the health goal. Hardness: hard, 130 mg/L (7.6 grains per gallon).
No health-based violations since 2016
- Open report
Grandwood Park Subdivision - Lake Co Pw
Illinois · serves 5,751 people · about 140 in Gages Lake
2 results above the health goal. The worst: Arsenic at 1.4 ppb, above the health goal. Hardness: very hard, typically 250 mg/L (14.6 grains per gallon).
No health-based violations since 2016
- Open report
Hainesville
Illinois · serves 3,528 people · about 130 in Gages Lake
Nothing in its records is above a health goal. Hardness: hard, typically 160 mg/L (9.4 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 Grayslake’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 Gages Lake
The 3 labs Illinois certifies closest to Gages Lake, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Lake County Environmental Laboratory
Libertyville, IL · about 5 miles
Certified for bacteria
Pace Analytical Services, LLC - McHenry
McHenry, IL · about 16 miles
Certified for bacteria
McHenry County Health Department
Woodstock, IL · about 24 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 IllinoisWhich ZIP codes are in Gages Lake: 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 Gages Lake
Other towns in Lake County with a page of their own.
What to do next
- Read Grayslake’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