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Tap water quality report

Plainfield, IN

EPA monitoring detected 13 contaminants across the 2 water suppliers serving Plainfield. A detection doesn't automatically mean the water is unsafe — see the highest level found for each below, with its EPA source and period.

2
water suppliers
38,977
people served
13
contaminants found
Indiana rankings Lead in Indiana PFAS in Indiana

What was found in Plainfield's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
1850 µg/L 19%
of the EPA limit 10000 µg/L
 2/2 SYR4
Copper
1260 µg/L 97%
of the EPA limit 1300 µg/L
 2/2 SYR4
Fluoride
842 µg/L 21%
of the EPA limit 4000 µg/L
 2/2 SYR4
Barium
545 µg/L 27%
of the EPA limit 2000 µg/L
 2/2 SYR4
TTHM
64 µg/L 80%
of the EPA limit 80 µg/L
 2/2 SYR4
Total Haloacetic Acids (HAA5)
35.2 µg/L 59%
of the EPA limit 60 µg/L
 2/2 SYR4
Lead
12.5 µg/L 83%
of the EPA limit 15 µg/L
 2/2 SYR4
Gross Alpha, Excl. Radon And U
2.2 pCi/L 15%
of the EPA limit 15 pCi/L
 1/2 SYR4
Arsenic
2 µg/L 20%
of the EPA limit 10 µg/L
 1/2 SYR4
Lead
0.0105 mg/L 70%
of the EPA limit 0.0150 mg/L
 2/2 LCR
Pfpea
0.0071 µg/L
No EPA limit set
 2/2 UCMR-5
PFBS
0.0038 µg/L
No EPA limit set
 1/2 UCMR-5
Pfhxa
0.0037 µg/L
No EPA limit set
 1/2 UCMR-5
Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Plainfield

SupplierPopulation served
PLAINFIELD WATER WORKS 34,477
PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY 4,500

Frequently asked questions about Plainfield tap water

Is Plainfield tap water safe to drink?

EPA testing detected 13 contaminants in the water serving Plainfield. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Plainfield?

2 public water suppliers report drinking-water monitoring for Plainfield, Indiana to the EPA. Each is listed above with its population served.

What contaminants are in Plainfield's water?

The contaminants EPA monitoring detected in Plainfield include Nitrate, Copper, Fluoride, Barium, TTHM. The full list, with the highest level found and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.