What was found in Cortland'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 | 4310 µg/L 43% of the EPA limit 10000 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 3984.5 µg/L 40% of the EPA limit 10000 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Barium | 44.915 µg/L 2.2% of the EPA limit 2000 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2017 | 1/1 | SYR4 |
| Copper | 24.1 µg/L 1.9% of the EPA limit 1300 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2017 | 1/1 | SYR4 |
| TTHM | 16.663 µg/L 21% of the EPA limit 80 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.549 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Chloroform | 5.33 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 4.661 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 3.1 µg/L 5.2% of the EPA limit 60 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Bromoform | 2.627 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Trichloroethylene | 2.1815 µg/L 44% of the EPA limit 5 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Chromium | 1.8 µg/L 1.8% of the EPA limit 100 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2017 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.506 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.48105 pCi/L 30% of the EPA limit 5 pCi/L Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 1.1 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1.022 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Lead | 1.01 µg/L 6.7% of the EPA limit 15 µg/L Main supplier: CORTLAND (C) · 20,095 people · 2017 | 1/1 | SYR4 |
| Trichloroacetic Acid | 0.8950 µg/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 0.6270 pCi/L No EPA limit set Main supplier: CORTLAND (C) · 20,095 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0050 mg/L 33% of the EPA limit 0.0150 mg/L Main supplier: CORTLAND (C) · 20,095 people · 2025 | 1/1 | LCR |
Water suppliers serving Cortland
| Supplier | Population served |
|---|---|
| CORTLAND (C) | 20,095 |
Frequently asked questions about Cortland tap water
Is Cortland tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Cortland. 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 Cortland?
1 public water supplier report drinking-water monitoring for Cortland, New York to the EPA. Each is listed above with its population served.
What contaminants are in Cortland's water?
The contaminants EPA monitoring detected in Cortland include Nitrate, Nitrate-Nitrite, Barium, 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.