Is Plainfield, IL tap water safe?
The short answer
2 of the 6 utilities serving Plainfield have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Illinois’s records: Joliet and Oswego.
Plainfield, which serves the most people here, has 1 result above the health goal. The worst: Uranium at 0.43 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Plainfield’s ZIP codes, from EPA’s estimates.
- Open report
Plainfield
Illinois · serves 50,000 people · about 19,700 in Plainfield
1 result above the health goal. The worst: Uranium at 0.43 ppb, above the health goal.
No health-based violations since 2016
- Open report
Joliet
Illinois · serves 160,000 people · about 12,300 in Plainfield
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 54.7 ppb, above EPA’s health benchmark. Hardness: very hard, typically 224 mg/L (13.1 grains per gallon).
1 health-based violation since 2016
- Open report
Naperville
Illinois · serves 156,406 people · about 2,200 in Plainfield
3 results above the health goal. The worst: Lead at 6.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Romeoville
Illinois · serves 50,458 people · about 1,600 in Plainfield
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 54.6 ppb, above EPA’s health benchmark. Hardness: moderately hard to very hard depending on the source, 89 to 597 mg/L (5.2 to 34.9 grains per gallon).
No health-based violations since 2016
- Open report
Oswego
Illinois · serves 38,169 people · about 1,000 in Plainfield
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 114 ppb, above EPA’s health benchmark. Hardness: very hard, typically 235 mg/L (13.7 grains per gallon).
1 health-based violation since 2016
- Open report
IL American - West Suburban
Illinois · serves 73,978 people · about 110 in Plainfield
2 results above the health goal. The worst: Arsenic at 2.5 ppb, above the health goal. Hardness: moderately hard, 87 mg/L (5.1 grains per gallon).
No health-based violations since 2016
Water testing near Plainfield
The 3 labs Illinois certifies closest to Plainfield, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eurofins Built Environment Testing Central-Chicago
Naperville, IL · about 11 miles
Certified for bacteria
Phigenics Analytical Services Laboratory
Warrenville, IL · about 14 miles
Certified for bacteria
Will County Health Department
Joliet, IL · about 14 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 Plainfield: 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 Plainfield
Towns nearby with a page of their own.
What to do next
- Read Plainfield’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About UraniumWhat it does to health, where it comes from, and the certification claim that addresses it.About Uranium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water