What was found in Lignite'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 |
|---|---|---|---|
| Copper | 1334 µg/L 103% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 410 µg/L 4.1% of the EPA limit 10000 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Fluoride | 280 µg/L 7% of the EPA limit 4000 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2016 | 1/1 | SYR4 |
| TTHM | 63.086 µg/L 79% of the EPA limit 80 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Bromoform | 40.56 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 33.5 µg/L 112% of the EPA limit, at the 95th percentile of samples — 30 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Barium | 33.4 µg/L 1.7% of the EPA limit 2000 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2016 | 1/1 | SYR4 |
| Dibromochloromethane | 17.8635 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 17.591 µg/L 29% of the EPA limit 60 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 15.49 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Lead | 6.44 µg/L 43% of the EPA limit 15 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.48 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 4.2915 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Selenium | 3.23 µg/L 6.5% of the EPA limit 50 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2016 | 1/1 | SYR4 |
| Arsenic | 3.12 µg/L 31% of the EPA limit 10 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2016 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 2.208 pCi/L 44% of the EPA limit 5 pCi/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.398 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1.34 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Chloroform | 1.25 µg/L No EPA limit set Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Picloram | 0.5970 µg/L 0.1% of the EPA limit 500 µg/L Main supplier: LIGNITE CITY OF · 155 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0033 mg/L 22% of the EPA limit 0.0150 mg/L Main supplier: LIGNITE CITY OF · 155 people · 2025 | 1/1 | LCR |
Water suppliers serving Lignite
| Supplier | Population served |
|---|---|
| LIGNITE CITY OF | 155 |
Frequently asked questions about Lignite tap water
Is Lignite tap water safe to drink?
EPA testing detected 21 contaminants in the water serving Lignite. 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 Lignite?
1 public water supplier report drinking-water monitoring for Lignite, North Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Lignite's water?
The contaminants EPA monitoring detected in Lignite include Copper, Nitrate-Nitrite, Fluoride, TTHM, Bromoform. 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.