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Tap water quality report

Payette, ID

EPA monitoring detected 12 contaminants across the 2 water suppliers serving Payette. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

2
water suppliers
8,182
people served
12
contaminants found
Idaho rankings Lead in Idaho PFAS in Idaho

What was found in Payette's water

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

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
4500 µg/L 45%
of the EPA limit 10000 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
Nitrate-Nitrite
1800 µg/L 18%
of the EPA limit 10000 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
Fluoride
256.5 µg/L 6.4%
of the EPA limit 4000 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
Highest in the city: 280 µg/L — DECKER ADDITION · 55 people · 2019
2/2 SYR4
Nitrite
30 µg/L 3%
of the EPA limit 1000 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
Lithium
17 µg/L
No EPA limit set
Main supplier: PAYETTE CITY OF · 8,127 people · 2024
1/2 UCMR-5
Selenium
12 µg/L 24%
of the EPA limit 50 µg/L
Highest in the city: DECKER ADDITION · 55 people · 2019
1/2 SYR4
Arsenic
3.865 µg/L 39%
of the EPA limit 10 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
Combined Uranium
2 µg/L 6.7%
of the EPA limit 30 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
TTHM
1.077 µg/L 1.3%
of the EPA limit 80 µg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2019
1/2 SYR4
Pfpea
0.0043 µg/L
No EPA limit set
Main supplier: PAYETTE CITY OF · 8,127 people · 2024
1/2 UCMR-5
Pfhxa
0.0036 µg/L
No EPA limit set
Main supplier: PAYETTE CITY OF · 8,127 people · 2024
1/2 UCMR-5
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
Main supplier: PAYETTE CITY OF · 8,127 people · 2026
2/2 LCR
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. 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 Payette

SupplierPopulation served
PAYETTE CITY OF 8,127
DECKER ADDITION 55

Frequently asked questions about Payette tap water

Is Payette tap water safe to drink?

EPA testing detected 12 contaminants in the water serving Payette. 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 Payette?

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

What contaminants are in Payette's water?

The contaminants EPA monitoring detected in Payette include Nitrate, Nitrate-Nitrite, Fluoride, Nitrite, Lithium. The full list, with the level at the main supplier 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.