What was found in Nicholasville'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 | 1050 µg/L 26% of the EPA limit 4000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Nitrate | 551 µg/L 5.5% of the EPA limit 10000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Nitrate-Nitrite | 509 µg/L 5.1% of the EPA limit 10000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Copper | 170 µg/L 13% of the EPA limit 1300 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019
Highest in the city: 340.3 µg/L — JESSAMINE S ELKHORN WATER DIST · 8,826 people · 2017 | 3/3 | SYR4 |
| TTHM | 98.93 µg/L 124% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019
Highest in the city: 140 µg/L — JESSAMINE CO WATER DISTRICT #1 · 6,831 people · 2019 | 3/3 | SYR4 |
| Nitrite | 100 µg/L 10% of the EPA limit 1000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 65.55 µg/L 109% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019
Highest in the city: 74.86 µg/L — JESSAMINE S ELKHORN WATER DIST · 8,826 people · 2019 | 3/3 | SYR4 |
| Barium | 40 µg/L 2% of the EPA limit 2000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Cyanide | 19.1 µg/L 9.6% of the EPA limit 200 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Lead | 4.9 µg/L 33% of the EPA limit 15 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019
Highest in the city: 18.12 µg/L — JESSAMINE S ELKHORN WATER DIST · 8,826 people · 2017 | 3/3 | SYR4 |
| Lithium | 9.74 µg/L No EPA limit set Highest in the city: JESSAMINE S ELKHORN WATER DIST · 8,826 people · 2023 | 1/3 | UCMR-5 |
| Gross Alpha, Excl. Radon And U | 4.545 pCi/L 30% of the EPA limit 15 pCi/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2017 | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 1.575 pCi/L 32% of the EPA limit 5 pCi/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2017 | 1/3 | SYR4 |
| Beryllium, Total | 0.1000 µg/L 2.5% of the EPA limit 4 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2019 | 1/3 | SYR4 |
| Benzo(A)Pyrene | 0.0360 µg/L 18% of the EPA limit 0.2000 µg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2017 | 1/3 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: NICHOLASVILLE WATER DEPARTMENT · 35,266 people · 2025 | 3/3 | LCR |
Water suppliers serving Nicholasville
| Supplier | Population served |
|---|---|
| NICHOLASVILLE WATER DEPARTMENT | 35,266 |
| JESSAMINE S ELKHORN WATER DIST | 8,826 |
| JESSAMINE CO WATER DISTRICT #1 | 6,831 |
Frequently asked questions about Nicholasville tap water
Is Nicholasville tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Nicholasville. 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 Nicholasville?
3 public water suppliers report drinking-water monitoring for Nicholasville, Kentucky to the EPA. Each is listed above with its population served.
What contaminants are in Nicholasville's water?
The contaminants EPA monitoring detected in Nicholasville 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.