Green River Valley Water District, KY
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (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. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Green River Valley Water District at a glance
Green River Valley Water District serves about 17,431 people through 9,963 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 Hart County, Kentucky. EPA system ID: KY0500166; phone on file: 270-308-5268. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Green River Valley Water District is 4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 4 ppb |
| 2019 | 2 ppb |
| 2016 | 2 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. Green River Valley Water District's 3 ppb sits at the 86th percentile in Kentucky and the 83rd nationally (higher means more lead).
Nearby utilities
2 other systems share Hart County; 1 of them has a higher latest lead result than Green River Valley Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Horse Cave Water System | 2,744 | 6.66 ppb |
| Munfordville Water Dept | 2,109 | 0.75 ppb |
Next steps for Horse Cave, KY
Test your own tap with a certified lab first-draw sample; Horse Cave, KY may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Green River Valley Water District 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. The action level is dropping - the 10 ppb rule from 2027.