What was found in Cleveland'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 | 955 µg/L 73% of the EPA limit 1300 µg/L Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| TTHM | 81.498 µg/L 102% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 28.012 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 22.292 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Chloroform | 19.787 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Bromoform | 17.936 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 13.146 µg/L 22% of the EPA limit 60 µg/L Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 8.445 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 5.021 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Lead | 3.7195 µg/L 25% of the EPA limit 15 µg/L Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 2.56 µg/L No EPA limit set Main supplier: CLEVELAND CITY OF · 83 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L Main supplier: CLEVELAND CITY OF · 83 people · 2025 | 1/1 | LCR |
Water suppliers serving Cleveland
| Supplier | Population served |
|---|---|
| CLEVELAND CITY OF | 83 |
Frequently asked questions about Cleveland tap water
Is Cleveland tap water safe to drink?
EPA testing detected 12 contaminants in the water serving Cleveland. 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 Cleveland?
1 public water supplier report drinking-water monitoring for Cleveland, North Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Cleveland's water?
The contaminants EPA monitoring detected in Cleveland include Copper, TTHM, Dibromochloromethane, Bromodichloromethane, Chloroform. 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.