What was found in Winchester City'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 | 2120 µg/L 21% of the EPA limit 10000 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Fluoride | 816.5 µg/L 20% of the EPA limit 4000 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Copper | 327 µg/L 25% of the EPA limit 1300 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| TTHM | 81.65 µg/L 102% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Chloroform | 69.25 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Lead | 64.9 µg/L 433% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 62.3 µg/L 104% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Barium | 36.25 µg/L 1.8% of the EPA limit 2000 µg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 33 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 26 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 11.25 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 4.17 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 4.09 pCi/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2018 | 1/1 | SYR4 |
| Dibromochloromethane | 2.055 µg/L No EPA limit set Main supplier: WINCHESTER, CITY OF · 28,248 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.2000 pCi/L 4% of the EPA limit 5 pCi/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0027 mg/L 18% of the EPA limit 0.0150 mg/L Main supplier: WINCHESTER, CITY OF · 28,248 people · 2024 | 1/1 | LCR |
Water suppliers serving Winchester City
| Supplier | Population served |
|---|---|
| WINCHESTER, CITY OF | 28,248 |
Frequently asked questions about Winchester City tap water
Is Winchester City tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Winchester City. 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 Winchester City?
1 public water supplier report drinking-water monitoring for Winchester City, Virginia to the EPA. Each is listed above with its population served.
What contaminants are in Winchester City's water?
The contaminants EPA monitoring detected in Winchester City include Nitrate-Nitrite, Fluoride, Copper, TTHM, 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.