Clay City Water System, 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
Clay City Water System serves about 2,153 people through 690 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Powell County, Kentucky. EPA system ID: KY0990074; phone on file: 606-569-6533. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 6 ppb from 6 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Clay City Water System is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 6 ppb |
| 2019 | 5 ppb |
| 2016 | 2 ppb |
How Clay City Water System compares
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. Clay City Water System's reported as 0 (not detected) sits at the 16th percentile in Kentucky and the 31st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
3 other systems share Powell County; 1 of them has a higher latest lead result than Clay City Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Powell Valley Water District | 7,128 | 2 ppb |
| Stanton Water Works | 6,611 | 0 (not detected) |
| Beech Fork Water Commission | 25 | - |
Next steps for Clay City, KY
Look up your address in Clay City Water System'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 Clay City Water System 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Small systems behave differently: why small systems go over more often.