What was found in Sheffield'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 | 896 µg/L 22% of the EPA limit 4000 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Nitrate | 670 µg/L 6.7% of the EPA limit 10000 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 670 µg/L 6.7% of the EPA limit 10000 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Copper | 140 µg/L 11% of the EPA limit 1300 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| TTHM | 78.6 µg/L 98% of the EPA limit 80 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 41.7 µg/L 70% of the EPA limit 60 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Chloroform | 18.005 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2017 | 1/1 | SYR4 |
| Lead | 14.1 µg/L 94% of the EPA limit 15 µg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 7.567 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2017 | 1/1 | SYR4 |
| Dibromochloromethane | 2.406 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2017 | 1/1 | SYR4 |
| PFOS | 0.0200 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | UCMR-5 |
| PFOA | 0.0130 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | UCMR-5 |
| Pfba | 0.0120 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | UCMR-5 |
| PFBS | 0.0047 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | UCMR-5 |
| Pfhxa | 0.0039 µg/L No EPA limit set Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0018 mg/L 12% of the EPA limit 0.0150 mg/L Main supplier: SHEFFIELD UTILITIES, CITY OF SHEFFIELD · 13,758 people · 2025 | 1/1 | LCR |
Water suppliers serving Sheffield
| Supplier | Population served |
|---|---|
| SHEFFIELD UTILITIES, CITY OF SHEFFIELD | 13,758 |
Frequently asked questions about Sheffield tap water
Is Sheffield tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Sheffield. 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 Sheffield?
1 public water supplier report drinking-water monitoring for Sheffield, Alabama to the EPA. Each is listed above with its population served.
What contaminants are in Sheffield's water?
The contaminants EPA monitoring detected in Sheffield include Fluoride, Nitrate, Nitrate-Nitrite, Copper, TTHM. 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.