Is Stansbury Park, UT Tap Water Safe? Quality & Contaminants

What was found in Stansbury Park'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	2600 µg/L 26% of the EPA limit 10000 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Nitrate-Nitrite	2181.86 µg/L 22% of the EPA limit 10000 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2017	1/2	SYR4
Fluoride	195.275 µg/L 4.9% of the EPA limit 4000 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019 Highest in the city: 200 µg/L — OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2019	2/2	SYR4
Copper	193.965 µg/L 15% of the EPA limit 1300 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Barium	148.05 µg/L 7.4% of the EPA limit 2000 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Lithium	48 µg/L No EPA limit set Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2024	1/2	UCMR-5
Selenium	12.72 µg/L 25% of the EPA limit 50 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Gross Beta Particle Activity	8.505 pCi/L No EPA limit set Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	1/2	SYR4
Cyanide	8 µg/L 4% of the EPA limit 200 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	1/2	SYR4
Lead	5 µg/L 33% of the EPA limit 15 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
TTHM	1.27 µg/L 1.6% of the EPA limit 80 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019 Highest in the city: 4 µg/L — OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2019	2/2	SYR4
Gross Alpha, Excl. Radon And U	3.5 pCi/L 23% of the EPA limit 15 pCi/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Arsenic	2.36 µg/L 24% of the EPA limit 10 µg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Dibromochloromethane	1.1 µg/L No EPA limit set Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019 Highest in the city: 1.67 µg/L — OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2019	2/2	SYR4
Bromoform	1.26 µg/L No EPA limit set Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2019	2/2	SYR4
Bromodichloromethane	1.17 µg/L No EPA limit set Highest in the city: OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2019	1/2	SYR4
Chloroform	0.6000 µg/L No EPA limit set Highest in the city: OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2019	1/2	SYR4
Lead	0.0026 mg/L 17% of the EPA limit 0.0150 mg/L Main supplier: STANSBURY PARK IMPROVEMENT DISTRICT · 9,839 people · 2025 Highest in the city: 0.0121 mg/L — OQUIRRH MOUNTAIN WATER CO · 2,500 people · 2025	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 Stansbury Park

Supplier	Population served
STANSBURY PARK IMPROVEMENT DISTRICT	9,839
OQUIRRH MOUNTAIN WATER CO	2,500

Frequently asked questions about Stansbury Park tap water

Is Stansbury Park tap water safe to drink?

EPA testing detected 18 contaminants in the water serving Stansbury Park. 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 Stansbury Park?

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

What contaminants are in Stansbury Park's water?

The contaminants EPA monitoring detected in Stansbury Park include Nitrate, Nitrate-Nitrite, Fluoride, Copper, 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.