Is Hailey, ID Tap Water Safe? Quality & Contaminants

What was found in Hailey'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.

Contaminant	Level vs EPA limit	Suppliers	Source
Nitrate	1442 µg/L 14% of the EPA limit 10000 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019 Highest in the city: 1540 µg/L — SAGE SPRINGS SUBDIVISION · 53 people · 2019	4/4	SYR4
Nitrate-Nitrite	1088 µg/L 11% of the EPA limit 10000 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2013	2/4	SYR4
Barium	298 µg/L 15% of the EPA limit 2000 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019 Highest in the city: 350 µg/L — SAGE SPRINGS SUBDIVISION · 53 people · 2019	4/4	SYR4
Fluoride	300 µg/L 7.5% of the EPA limit 4000 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019	1/4	SYR4
Arsenic	3 µg/L 30% of the EPA limit 10 µg/L Highest in the city: SAGE SPRINGS SUBDIVISION · 53 people · 2019	1/4	SYR4
Total Haloacetic Acids (HAA5)	3 µg/L 5% of the EPA limit 60 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019	1/4	SYR4
TTHM	2.738 µg/L 3.4% of the EPA limit 80 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019	1/4	SYR4
Gross Alpha, Excl. Radon And U	1.13 pCi/L 7.5% of the EPA limit 15 pCi/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2016 Highest in the city: 2.1 pCi/L — SAGE SPRINGS SUBDIVISION · 53 people · 2019	2/4	SYR4
Combined Uranium	2 µg/L 6.7% of the EPA limit 30 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2016	3/4	SYR4
Selenium	1 µg/L 2% of the EPA limit 50 µg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2019 Highest in the city: 2 µg/L — SAGE SPRINGS SUBDIVISION · 53 people · 2019	2/4	SYR4
Combined Radium (-226 And -228)	1.935 pCi/L 39% of the EPA limit 5 pCi/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2016	2/4	SYR4
Lead	0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: HAILEY WATER AND SEWER · 8,000 people · 2024	4/4	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 Hailey

Supplier	Population served
HAILEY WATER AND SEWER	8,000
MID VALLEY WATER COMPANY LLC	450
SAGE SPRINGS SUBDIVISION	53
HOLIDAY HIGHWAY SUBD	45

Frequently asked questions about Hailey tap water

Is Hailey tap water safe to drink?

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

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

What contaminants are in Hailey's water?

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