Kentucky State Penitentiary, 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
Kentucky State Penitentiary serves about 1,200 people through 1 service connections, which makes it a small system under EPA's size classes. It is owned by the state and draws surface water, in Lyon County, Kentucky. EPA system ID: KY0720552; phone on file: 270-704-1942. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Kentucky State Penitentiary is 8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 8 ppb |
| 2016 | 2 ppb |
How Kentucky State Penitentiary 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. Kentucky State Penitentiary's reported as 0 (not detected) sits at the 7th percentile in Kentucky and the 28th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
3 other systems share Lyon County; 2 of them have a higher latest lead result than Kentucky State Penitentiary. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lyon County Water District | 6,744 | 0 (not detected) |
| Eddyville Water Department | 3,843 | 2 ppb |
| Kuttawa Water Department | 1,143 | 4 ppb |
Next steps for Eddyville, KY
Look up your address in Kentucky State Penitentiary'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 Kentucky State Penitentiary 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.