Is Elgin, IL tap water safe?
The short answer
2 of the 2 utilities serving Elgin have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records: Elgin and Willow Lake Estates MHP.
Elgin, which serves the most people here, has 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.
The water from Elgin is moderately hard to hard depending on the source, 83 to 128 mg/L (4.8 to 7.5 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 Elgin’s ZIP codes, from EPA’s estimates.
- Open report
Elgin
Illinois · serves 114,797 people · about 78,200 in Elgin
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
- Open report
Willow Lake Estates MHP
Illinois · serves 920 people · lists Elgin among the places it serves
Nothing in its records is above a health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Elgin’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
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: Lead, Arsenic
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: Lead, Arsenic
Water testing near Elgin
The 3 labs Illinois certifies closest to Elgin, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Suburban Laboratories, Inc.
Geneva, IL · about 11 miles
Certified for bacteria
DuPage County Health Department
Wheaton, IL · about 18 miles
Certified for bacteria
Phigenics Analytical Services Laboratory
Warrenville, IL · about 18 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 Elgin: 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 Elgin
Other towns in Kane County with a page of their own.
What to do next
- Read Elgin’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