What was found in Mt Sterling'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 | 925 µg/L 23% of the EPA limit 4000 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Nitrate | 900 µg/L 9% of the EPA limit 10000 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Copper | 182 µg/L 14% of the EPA limit 1300 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 5/5 | SYR4 |
| TTHM | 76.725 µg/L 96% of the EPA limit 80 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019
Highest in the city: 118.45 µg/L — REID VILLAGE WATER DISTRICT · 2,545 people · 2019 | 5/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 76.65 µg/L 128% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019
Highest in the city: 107.85 µg/L — LEVEE RD WATER ASSOCIATION INC · 2,471 people · 2019 | 5/5 | SYR4 |
| Barium | 20.95 µg/L 1% of the EPA limit 2000 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Lead | 14.4 µg/L 96% of the EPA limit 15 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019
Highest in the city: 20.3 µg/L — REID VILLAGE WATER DISTRICT · 2,545 people · 2017 | 5/5 | SYR4 |
| Arsenic | 3.25 µg/L 33% of the EPA limit 10 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2014 | 1/5 | SYR4 |
| Mercury | 0.4000 µg/L 20% of the EPA limit 2 µg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2019 | 1/5 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: MT STERLING WATER WORKS · 16,391 people · 2025
Highest in the city: 0.0120 mg/L — JUDY WATER ASSOCIATION · 5,539 people · 2023 | 5/5 | LCR |
Water suppliers serving Mt Sterling
| Supplier | Population served |
|---|---|
| MT STERLING WATER WORKS | 16,391 |
| JUDY WATER ASSOCIATION | 5,539 |
| REID VILLAGE WATER DISTRICT | 2,545 |
| LEVEE RD WATER ASSOCIATION INC | 2,471 |
| MONTGOMERY CO WATER DISTRICT #1 | 2,082 |
Frequently asked questions about Mt Sterling tap water
Is Mt Sterling tap water safe to drink?
EPA testing detected 12 contaminants in the water serving Mt Sterling. 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 Mt Sterling?
5 public water suppliers report drinking-water monitoring for Mt Sterling, Kentucky to the EPA. Each is listed above with its population served.
What contaminants are in Mt Sterling's water?
The contaminants EPA monitoring detected in Mt Sterling include Fluoride, Nitrate, Copper, TTHM, Total Haloacetic Acids (HAA5). 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.