Is Lindenhurst, IL tap water safe?
The short answer
None of the 4 utilities serving Lindenhurst has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records.
Lindenhurst, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 3.6 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Lindenhurst is hard to very hard depending on the source, 170 to 440 mg/L (9.9 to 25.7 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 Lindenhurst’s ZIP codes, from EPA’s estimates.
- Open report
Lindenhurst
Illinois · serves 14,500 people · about 2,900 in Lindenhurst
2 results above the health goal. The worst: Arsenic at 3.6 ppb, above the health goal. Hardness: hard to very hard depending on the source, 170 to 440 mg/L (9.9 to 25.7 grains per gallon).
No health-based violations since 2016
- Open report
Lake Villa
Illinois · serves 8,829 people · about 1,700 in Lindenhurst
1 result above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal. Hardness: moderately hard to very hard depending on the source, 93 to 350 mg/L (5.4 to 20.5 grains per gallon).
No health-based violations since 2016
- Open report
Round Lake Beach
Illinois · serves 27,200 people · about 370 in Lindenhurst
3 results above the health goal. The worst: Lead at 4.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
Grandwood Park Subdivision - Lake Co Pw
Illinois · serves 5,751 people · about 290 in Lindenhurst
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
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Lindenhurst’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
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, Lead
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: 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: Arsenic, Lead
Water testing near Lindenhurst
The 3 labs Illinois certifies closest to Lindenhurst, 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 10 miles
Certified for bacteria
Pace Analytical Services, LLC - McHenry
McHenry, IL · about 13 miles
Certified for bacteria
McHenry County Health Department
Woodstock, IL · about 21 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 Lindenhurst
Which ZIP codes are in Lindenhurst: 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 Lindenhurst
Other towns in Lake County with a page of their own.
What to do next
- Read Lindenhurst’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water