What was found in ZIP 84401
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.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 800 µg/L 8% of the EPA limit 10000 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019
Highest in the ZIP: 809.3 µg/L — HOOPER WATER IMPROVEMENT DISTRICT · 20,820 people · 2019 | 3/4 | SYR4 |
| Copper | 375.44 µg/L 29% of the EPA limit 1300 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019
Highest in the ZIP: 804.937 µg/L — WEST HAVEN SSD · 3,360 people · 2017 | 4/4 | SYR4 |
| Barium | 53.2 µg/L 2.7% of the EPA limit 2000 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018
Highest in the ZIP: 629.2 µg/L — TAYLOR-WEST WEBER WID · 9,900 people · 2019 | 3/4 | SYR4 |
| Fluoride | 140.865 µg/L 3.5% of the EPA limit 4000 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018
Highest in the ZIP: 200 µg/L — HOOPER WATER IMPROVEMENT DISTRICT · 20,820 people · 2019 | 3/4 | SYR4 |
| Lithium | 10.6 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2025
Highest in the ZIP: 110 µg/L — TAYLOR-WEST WEBER WID · 9,900 people · 2024 | 3/4 | UCMR-5 |
| TTHM | 61.6 µg/L 77% of the EPA limit 80 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 4/4 | SYR4 |
| Chloroform | 50.095 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 4/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 33.14 µg/L 55% of the EPA limit 60 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 4/4 | SYR4 |
| Trichloroacetic Acid | 18.35 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 3/4 | SYR4 |
| Dichloroacetic Acid | 16.15 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 4/4 | SYR4 |
| Bromodichloromethane | 12.17 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 4/4 | SYR4 |
| Gross Beta Particle Activity | 3.775 pCi/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018
Highest in the ZIP: 10.065 pCi/L — TAYLOR-WEST WEBER WID · 9,900 people · 2019 | 3/4 | SYR4 |
| Lead | 6.6 µg/L 44% of the EPA limit 15 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019
Highest in the ZIP: 9.5765 µg/L — WEST HAVEN SSD · 3,360 people · 2017 | 4/4 | SYR4 |
| Arsenic | 1.1 µg/L 11% of the EPA limit 10 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018
Highest in the ZIP: 7.13 µg/L — HOOPER WATER IMPROVEMENT DISTRICT · 20,820 people · 2019 | 3/4 | SYR4 |
| Monochloroacetic Acid | 6.5 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 1/4 | SYR4 |
| Dibromochloromethane | 3.06 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019
Highest in the ZIP: 3.9 µg/L — WEST HAVEN SSD · 3,360 people · 2019 | 4/4 | SYR4 |
| Monobromoacetic Acid | 3.1 µg/L No EPA limit set Highest in the ZIP: WEST HAVEN SSD · 3,360 people · 2019 | 1/4 | SYR4 |
| Gross Alpha, Excl. Radon And U | 1.33 pCi/L 8.9% of the EPA limit 15 pCi/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018
Highest in the ZIP: 2.7 pCi/L — TAYLOR-WEST WEBER WID · 9,900 people · 2019 | 3/4 | SYR4 |
| Selenium | 1.92 µg/L 3.8% of the EPA limit 50 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2018 | 3/4 | SYR4 |
| Bromoform | 0.7000 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019
Highest in the ZIP: 1.8 µg/L — WEST HAVEN SSD · 3,360 people · 2019 | 3/4 | SYR4 |
| Dibromoacetic Acid | 1.58 µg/L No EPA limit set Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 1/4 | SYR4 |
| Toluene | 0.6000 µg/L 0.1% of the EPA limit 1000 µg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2019 | 1/4 | SYR4 |
| Cadmium | 0.2000 µg/L 4% of the EPA limit 5 µg/L Highest in the ZIP: TAYLOR-WEST WEBER WID · 9,900 people · 2019 | 1/4 | SYR4 |
| Lead | 0.0019 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: OGDEN CITY WATER SYSTEM · 87,267 people · 2025
Highest in the ZIP: 0.0033 mg/L — HOOPER WATER IMPROVEMENT DISTRICT · 20,820 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.
Water suppliers serving ZIP 84401
| Supplier | State | Population served |
|---|---|---|
| OGDEN CITY WATER SYSTEM | UT | 87,267 |
| HOOPER WATER IMPROVEMENT DISTRICT | UT | 20,820 |
| TAYLOR-WEST WEBER WID | UT | 9,900 |
| WEST HAVEN SSD | UT | 3,360 |
Frequently asked questions about ZIP 84401 tap water
Is the tap water in ZIP 84401 safe to drink?
EPA testing detected 24 contaminants across the water suppliers serving ZIP 84401. 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 84401?
4 public water suppliers report EPA drinking-water monitoring for ZIP 84401. Each is listed above with its population served.
What contaminants are in ZIP 84401's water?
EPA monitoring detected Nitrate, Copper, Barium, Fluoride, Lithium, and others across this ZIP's suppliers. The full list with levels and sources is above.