What was found in Greensboro'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 | 760 µg/L 7.6% of the EPA limit 10000 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2019 | 1/1 | SYR4 |
| Fluoride | 508.5 µg/L 13% of the EPA limit 4000 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Barium | 200 µg/L 10% of the EPA limit 2000 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| TTHM | 18.4175 µg/L 23% of the EPA limit 80 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2019 | 1/1 | SYR4 |
| Copper | 17 µg/L 1.3% of the EPA limit 1300 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 11.58 µg/L 19% of the EPA limit 60 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2019 | 1/1 | SYR4 |
| Cyanide | 5 µg/L 2.5% of the EPA limit 200 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Antimony, Total | 2.19 µg/L 37% of the EPA limit 6 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Mercury | 2.1 µg/L 105% of the EPA limit, at the 95th percentile of samples — 2 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Xylenes, Total | 0.5490 µg/L 0% of the EPA limit 10000 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2019 | 1/1 | SYR4 |
| Cadmium | 0.3900 µg/L 7.8% of the EPA limit 5 µg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0015 mg/L 10% of the EPA limit 0.0150 mg/L Main supplier: GREENSBORO, TOWN OF WATER SYS. · 794 people · 2023 | 1/1 | LCR |
Water suppliers serving Greensboro
| Supplier | Population served |
|---|---|
| GREENSBORO, TOWN OF WATER SYS. | 794 |
Frequently asked questions about Greensboro tap water
Is Greensboro tap water safe to drink?
EPA testing detected 12 contaminants in the water serving Greensboro. 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 Greensboro?
1 public water supplier report drinking-water monitoring for Greensboro, Florida to the EPA. Each is listed above with its population served.
What contaminants are in Greensboro's water?
The contaminants EPA monitoring detected in Greensboro include Nitrate, Fluoride, Barium, TTHM, Copper. 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.