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Tap water quality report

Chubbuck, ID

EPA monitoring detected 18 contaminants across the 2 water suppliers serving Chubbuck. 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
16,042
people served
18
contaminants found
Idaho rankings Lead in Idaho PFAS in Idaho

What was found in Chubbuck'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
5720.5 µg/L 57%
of the EPA limit 10000 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Nitrate-Nitrite
4940 µg/L 49%
of the EPA limit 10000 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Fluoride
400 µg/L 10%
of the EPA limit 4000 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Nitrite
280 µg/L 28%
of the EPA limit 1000 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Barium
166.75 µg/L 8.3%
of the EPA limit 2000 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Lithium
37 µg/L
No EPA limit set
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2024
1/2 UCMR-5
Chromium
13 µg/L 13%
of the EPA limit 100 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Gross Alpha, Excl. Radon And U
12.816 pCi/L 85%
of the EPA limit 15 pCi/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
TTHM
11.3 µg/L 14%
of the EPA limit 80 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Copper
7.7 µg/L 0.6%
of the EPA limit 1300 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Selenium
2.7 µg/L 5.4%
of the EPA limit 50 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
Highest in the city: 5 µg/L — LACEYS VISTA ACRES WATER CORP · 200 people · 2019
2/2 SYR4
Arsenic
3.6 µg/L 36%
of the EPA limit 10 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Tetrachloroethylene
3.1275 µg/L 63%
of the EPA limit 5 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Combined Uranium
2.826 µg/L 9.4%
of the EPA limit 30 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
2/2 SYR4
Total Haloacetic Acids (HAA5)
1.8215 µg/L 3%
of the EPA limit 60 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Combined Radium (-226 And -228)
1.776 pCi/L 36%
of the EPA limit 5 pCi/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
1,1,2-Trichloroethane
0.5400 µg/L 11%
of the EPA limit 5 µg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2019
1/2 SYR4
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
Main supplier: CHUBBUCK CITY OF · 15,842 people · 2025
Highest in the city: 0.0090 mg/L — LACEYS VISTA ACRES WATER CORP · 200 people · 2024
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 Chubbuck

SupplierPopulation served
CHUBBUCK CITY OF 15,842
LACEYS VISTA ACRES WATER CORP 200

Frequently asked questions about Chubbuck tap water

Is Chubbuck tap water safe to drink?

EPA testing detected 18 contaminants in the water serving Chubbuck. 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 Chubbuck?

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

What contaminants are in Chubbuck's water?

The contaminants EPA monitoring detected in Chubbuck include Nitrate, Nitrate-Nitrite, Fluoride, Nitrite, Barium. 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.