What was found in Danville'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 | 658 µg/L 6.6% of the EPA limit 10000 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Copper | 168 µg/L 13% of the EPA limit 1300 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Fluoride | 150 µg/L 3.8% of the EPA limit 4000 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| TTHM | 73.16 µg/L 91% of the EPA limit 80 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 56.985 µg/L 95% of the EPA limit 60 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Chloroform | 53.84 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Barium | 33.265 µg/L 1.7% of the EPA limit 2000 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 17.52 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 10.8 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 10.695 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 6.24 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Lead | 5.57 µg/L 37% of the EPA limit 15 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.196 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Chromium | 1.9535 µg/L 2% of the EPA limit 100 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.772 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Benzo(A)Pyrene | 0.0427 µg/L 21% of the EPA limit 0.2000 µg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2019 | 1/1 | SYR4 |
| Pfpea | 0.0031 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2025 | 1/1 | UCMR-5 |
| Pfhxa | 0.0030 µg/L No EPA limit set Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: DANVILLE MUNICIPAL WATER AUTH · 4,992 people · 2025 | 1/1 | LCR |
Water suppliers serving Danville
| Supplier | Population served |
|---|---|
| DANVILLE MUNICIPAL WATER AUTH | 4,992 |
Frequently asked questions about Danville tap water
Is Danville tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Danville. 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 Danville?
1 public water supplier report drinking-water monitoring for Danville, Pennsylvania to the EPA. Each is listed above with its population served.
What contaminants are in Danville's water?
The contaminants EPA monitoring detected in Danville include Nitrate, Copper, Fluoride, TTHM, 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.