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Tap water quality report

ZIP 46168 — Plainfield, IN

EPA monitoring across the 2 water suppliers serving ZIP 46168 in Plainfield, IN detected 13 contaminants. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier below, with the EPA limit for each.

2
water suppliers
38,977
people served
13
contaminants found

What was found in ZIP 46168

The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
1803.5 µg/L 18%
of the EPA limit 10000 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2019
2/2 SYR4
Fluoride
834.05 µg/L 21%
of the EPA limit 4000 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2017
2/2 SYR4
Barium
541.85 µg/L 27%
of the EPA limit 2000 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2017
2/2 SYR4
Copper
451.45 µg/L 35%
of the EPA limit 1300 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2017
2/2 SYR4
TTHM
41 µg/L 51%
of the EPA limit 80 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2019
2/2 SYR4
Total Haloacetic Acids (HAA5)
25.02 µg/L 42%
of the EPA limit 60 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2019
2/2 SYR4
Lead
5.935 µg/L 40%
of the EPA limit 15 µg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2017
Highest in the ZIP: 10.775 µg/L — PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY · 4,500 people · 2019
2/2 SYR4
Gross Alpha, Excl. Radon And U
2.2 pCi/L 15%
of the EPA limit 15 pCi/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2014
1/2 SYR4
Arsenic
1.955 µg/L 20%
of the EPA limit 10 µg/L
Highest in the ZIP: PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY · 4,500 people · 2019
1/2 SYR4
Lead
0.0015 mg/L 10%
of the EPA limit 0.0150 mg/L
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2026
Highest in the ZIP: 0.0105 mg/L — PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY · 4,500 people · 2025
2/2 LCR
Pfpea
0.0071 µg/L
No EPA limit set
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2025
2/2 UCMR-5
PFBS
0.0038 µg/L
No EPA limit set
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2025
1/2 UCMR-5
Pfhxa
0.0037 µg/L
No EPA limit set
Main supplier: PLAINFIELD WATER WORKS · 34,477 people · 2025
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 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.

Water suppliers serving ZIP 46168

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

Frequently asked questions about ZIP 46168 tap water

Is the tap water in ZIP 46168 safe to drink?

EPA testing detected 13 contaminants across the water suppliers serving ZIP 46168. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.

Which water suppliers serve ZIP 46168?

2 public water suppliers report EPA drinking-water monitoring for ZIP 46168. Each is listed above with its population served.

What contaminants are in ZIP 46168's water?

EPA monitoring detected Nitrate, Fluoride, Barium, Copper, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.