What was found in Fort Laramie'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-Nitrite | 5567.5 µg/L 56% of the EPA limit 10000 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Fluoride | 400 µg/L 10% of the EPA limit 4000 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Copper | 115.2 µg/L 8.9% of the EPA limit 1300 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| TTHM | 20.08 µg/L 25% of the EPA limit 80 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Lead | 17.45 µg/L 116% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Combined Uranium | 13 µg/L 43% of the EPA limit 30 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 11.12 pCi/L 74% of the EPA limit 15 pCi/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 9.127 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 8.67 µg/L 14% of the EPA limit 60 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2017 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 7.4 pCi/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2017 | 1/1 | SYR4 |
| Dibromoacetic Acid | 5.915 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2017 | 1/1 | SYR4 |
| Bromoform | 4.972 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Bromodichloromethane | 4.443 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Selenium | 3 µg/L 6% of the EPA limit 50 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 2.72 pCi/L 54% of the EPA limit 5 pCi/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Chloroform | 2.35 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2018 | 1/1 | SYR4 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1.7 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2017 | 1/1 | SYR4 |
| Monobromoacetic Acid | 0.9600 µg/L No EPA limit set Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0050 mg/L 33% of the EPA limit 0.0150 mg/L Main supplier: FORT LARAMIE, TOWN OF · 230 people · 2024 | 1/1 | LCR |
Water suppliers serving Fort Laramie
| Supplier | Population served |
|---|---|
| FORT LARAMIE, TOWN OF | 230 |
Frequently asked questions about Fort Laramie tap water
Is Fort Laramie tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Fort Laramie. 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 Fort Laramie?
1 public water supplier report drinking-water monitoring for Fort Laramie, Wyoming to the EPA. Each is listed above with its population served.
What contaminants are in Fort Laramie's water?
The contaminants EPA monitoring detected in Fort Laramie include Nitrate-Nitrite, Fluoride, Copper, TTHM, Lead. 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.