What was found in Troy'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 | 290.2 µg/L 22% of the EPA limit 1300 µg/L Main supplier: TROY, TOWN OF · 3,591 people · 2018 | 3/3 | SYR4 |
| TTHM | 83.19 µg/L 104% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 89.16 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Chloroform | 68.665 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 76.56 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 63.705 µg/L 106% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 69.86 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Trichloroacetic Acid | 31.56 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 36.365 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Dichloroacetic Acid | 30.72 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 30.91 µg/L — WOODRUN S/D · 1,216 people · 2019 | 3/3 | SYR4 |
| Bromodichloromethane | 12.82 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 13.685 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Lead | 8.8 µg/L 59% of the EPA limit 15 µg/L Main supplier: TROY, TOWN OF · 3,591 people · 2018 | 1/3 | SYR4 |
| Monochloroacetic Acid | 4.1 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019 | 3/3 | SYR4 |
| Dibromochloromethane | 2.24 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2019
Highest in the city: 3 µg/L — CAROLINA FOREST WATER SYSTEM · 596 people · 2019 | 3/3 | SYR4 |
| Bromoform | 1.4 µg/L No EPA limit set Highest in the city: WOODRUN S/D · 1,216 people · 2019 | 1/3 | SYR4 |
| PFOS | 0.0055 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2025 | 1/3 | UCMR-5 |
| Pfhxa | 0.0031 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2025 | 1/3 | UCMR-5 |
| Pfpea | 0.0030 µg/L No EPA limit set Main supplier: TROY, TOWN OF · 3,591 people · 2025 | 1/3 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: TROY, TOWN OF · 3,591 people · 2025 | 3/3 | LCR |
Water suppliers serving Troy
| Supplier | Population served |
|---|---|
| TROY, TOWN OF | 3,591 |
| WOODRUN S/D | 1,216 |
| CAROLINA FOREST WATER SYSTEM | 596 |
Frequently asked questions about Troy tap water
Is Troy tap water safe to drink?
EPA testing detected 15 contaminants in the water serving Troy. 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 Troy?
3 public water suppliers report drinking-water monitoring for Troy, North Carolina to the EPA. Each is listed above with its population served.
What contaminants are in Troy's water?
The contaminants EPA monitoring detected in Troy include Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5), Trichloroacetic 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.