Calhoun Water Works, KY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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
Calhoun Water Works serves about 966 people through 438 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 Mclean County, Kentucky. EPA system ID: KY0750055; phone on file: 270-977-7716. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Calhoun Water Works is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
Against other Kentucky systems
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. Calhoun Water Works's reported as 0 (not detected) sits at the 5th percentile in Kentucky and the 27th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
5 other systems share Mclean County; 0 of them have a higher latest lead result than Calhoun Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sacramento Water Works | 2,435 | 0 (not detected) |
| Livermore Water Works | 2,138 | 0 (not detected) |
| Island Water Department | 1,512 | 0 (not detected) |
| Beech Grove Water System | 1,461 | 0 (not detected) |
| Mclean County Regional Water Commission | 25 | - |
What to do in your house
Look up your address in Calhoun 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 Calhoun 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. 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.