What was found in Maddock'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 |
|---|---|---|---|
| Fluoride | 604 µg/L 15% of the EPA limit 4000 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Copper | 170.95 µg/L 13% of the EPA limit 1300 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2018 | 1/1 | SYR4 |
| Nitrate-Nitrite | 120 µg/L 1.2% of the EPA limit 10000 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 19.0035 µg/L 32% of the EPA limit 60 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Dichloroacetic Acid | 15.1865 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Lead | 9.632 µg/L 64% of the EPA limit 15 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2018 | 1/1 | SYR4 |
| TTHM | 9.166 µg/L 11% of the EPA limit 80 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Chloroform | 7.1175 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Barium | 4.53 µg/L 0.2% of the EPA limit 2000 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Monochloroacetic Acid | 4.52 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Trichloroacetic Acid | 2.4605 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Bromodichloromethane | 2.0485 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Chromium | 1.25 µg/L 1.3% of the EPA limit 100 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Selenium | 1.25 µg/L 2.5% of the EPA limit 50 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.19 µg/L No EPA limit set Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Combined Uranium | 0.8200 µg/L 2.7% of the EPA limit 30 µg/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.7100 pCi/L 14% of the EPA limit 5 pCi/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 0.5400 pCi/L 3.6% of the EPA limit 15 pCi/L Main supplier: MADDOCK CITY OF · 382 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0040 mg/L 27% of the EPA limit 0.0150 mg/L Main supplier: MADDOCK CITY OF · 382 people · 2024 | 1/1 | LCR |
Water suppliers serving Maddock
| Supplier | Population served |
|---|---|
| MADDOCK CITY OF | 382 |
Frequently asked questions about Maddock tap water
Is Maddock tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Maddock. 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 Maddock?
1 public water supplier report drinking-water monitoring for Maddock, North Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Maddock's water?
The contaminants EPA monitoring detected in Maddock include Fluoride, Copper, Nitrate-Nitrite, Total Haloacetic Acids (HAA5), Dichloroacetic Acid. 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.