What was found in Salmon'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 | 3840 µg/L 38% of the EPA limit 10000 µg/L Highest in the city: ELK BEND UNIT 1 · 200 people · 2019 | 4/5 | SYR4 |
| Nitrate-Nitrite | 1492.5 µg/L 15% of the EPA limit 10000 µg/L Highest in the city: SALMON RIVER MEADOWS MUTUAL WATER COMPAN · 47 people · 2019 | 2/5 | SYR4 |
| Fluoride | 490 µg/L 12% of the EPA limit 4000 µg/L Highest in the city: ELK BEND UNIT 1 · 200 people · 2013 | 2/5 | SYR4 |
| Barium | 430 µg/L 22% of the EPA limit 2000 µg/L Highest in the city: SUNSET HEIGHTS WATER DISTRICT · 65 people · 2018 | 3/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 162.2 µg/L 270% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: SALMON CITY OF · 3,158 people · 2019 | 3/5 | SYR4 |
| TTHM | 161.075 µg/L 201% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: SALMON CITY OF · 3,158 people · 2019 | 3/5 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.12 pCi/L 41% of the EPA limit 15 pCi/L Highest in the city: SALMON RIVER MEADOWS MUTUAL WATER COMPAN · 47 people · 2016 | 2/5 | SYR4 |
| Bromodichloromethane | 5.336 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Combined Uranium | 5.3 µg/L 18% of the EPA limit 30 µg/L Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2013 | 3/5 | SYR4 |
| Arsenic | 4.9 µg/L 49% of the EPA limit 10 µg/L Highest in the city: ELK BEND UNIT 1 · 200 people · 2019 | 4/5 | SYR4 |
| Chloroform | 4.412 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Dichloroacetic Acid | 4.333 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Trichloroacetic Acid | 3.5 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Dibromochloromethane | 2.7575 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Combined Radium (-226 And -228) | 2.1 pCi/L 42% of the EPA limit 5 pCi/L Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2013 | 3/5 | SYR4 |
| Dibromoacetic Acid | 1.35 µg/L No EPA limit set Highest in the city: VALLEY VIEW HEIGHTS · 65 people · 2017 | 1/5 | SYR4 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L Main supplier: SALMON CITY OF · 3,158 people · 2022
Highest in the city: 0.0090 mg/L — SALMON RIVER MEADOWS MUTUAL WATER COMPAN · 47 people · 2025 | 5/5 | LCR |
Water suppliers serving Salmon
| Supplier | Population served |
|---|---|
| SALMON CITY OF | 3,158 |
| ELK BEND UNIT 1 | 200 |
| SUNSET HEIGHTS WATER DISTRICT | 65 |
| VALLEY VIEW HEIGHTS | 65 |
| SALMON RIVER MEADOWS MUTUAL WATER COMPAN | 47 |
Frequently asked questions about Salmon tap water
Is Salmon tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Salmon. 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 Salmon?
5 public water suppliers report drinking-water monitoring for Salmon, Idaho to the EPA. Each is listed above with its population served.
What contaminants are in Salmon's water?
The contaminants EPA monitoring detected in Salmon include Nitrate, Nitrate-Nitrite, Fluoride, Barium, Total Haloacetic Acids (HAA5). 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.