Mt Sterling Water Works, KY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Mt Sterling Water Works serves about 16,391 people through 6,331 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Montgomery County, Kentucky. EPA system ID: KY0870298; phone on file: 859-498-0166. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Mt Sterling Water Works is 4 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 2 ppb |
| 2019 | 3 ppb |
| 2019 | 3 ppb |
| 2016 | 4 ppb |
Where this result ranks
Of the 367 Kentucky systems with a lead result, the median latest reading is 0 ppb; 0 are over 15 ppb right now and 4 have gone over at some point. Mt Sterling Water Works's reported as 0 (not detected) sits at the 47th percentile in Kentucky and the 38th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
6 other systems share Montgomery County; 5 of them have a higher latest lead result than Mt Sterling Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fort Campbell Water System | 43,270 | 1 ppb |
| Judy Water Association | 5,539 | 5.78 ppb |
| Jeffersonville Water System | 5,335 | 0 (not detected) |
| Reid Village Water District | 2,545 | 5 ppb |
| Levee Rd Water Association Inc | 2,471 | 6 ppb |
| Montgomery Co Water District #1 | 2,082 | 3 ppb |
What to do in your house
Look up your address in Mt Sterling Water Works's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Mt Sterling Water Works whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. Small systems behave differently: why small systems go over more often.