Is Plainfield, IN tap water safe?
The short answer
1 of the 3 utilities serving Plainfield has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Plainfield Water Works.
Plainfield Water Works, which serves the most people here, has 1 result above the health goal. The worst: Lead at 1.1 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 Water Works
Indiana · serves 34,477 people · about 17,200 in Plainfield
1 result above the health goal. The worst: Lead at 1.1 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Citizens Water - Indianapolis
Indiana · serves 880,345 people · about 5,400 in Plainfield
2 results above the health goal. The worst: Lead at 3.4 ppb, above the health goal. Hardness: very hard on average, 317 mg/L (18.5 grains per gallon), ranging from 148 to 460 mg/L.
No health-based violations since 2016
- Open report
Plainfield Re - Entry Educational Facility
Indiana · serves 4,500 people · under 100 in Plainfield
2 results above the health goal. The worst: Lead at 10.5 ppb, above the health goal.
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 Plainfield Water Works’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 Plainfield
The 3 labs Indiana certifies closest to Plainfield, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
ESG Laboratories
Indianapolis, IN · about 5 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Delta Water Management Group, Inc.
Brownsburg, IN · about 11 miles
Certified for bacteria
Indiana Dept. of Health Laboratories
Indianapolis, IN · about 12 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, radioactivity
Indiana Department of Health laboratory: Test kits for well water: nitrate, fluoride, and arsenic, lead and copper, ordered from the lab and returned by mail. They are open to the public. Nitrate is $10 a sample plus $6.50 shipping per order, fluoride $10 plus shipping, and the arsenic, lead and copper kit $20 plus $6.50 shipping. Water Testing, Indiana Department of Health.
All 81 certified labs for IndianaWhich 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: Indiana Department of Health, certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Plainfield
Other towns in Hendricks County with a page of their own.
What to do next
- Read Plainfield Water Works’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