Carroll Co Water District #1, KY
Lead detected, under the action levels
Latest 90th-percentile lead: 4 ppb (monitoring period 2024-2026). 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.
About Carroll Co Water District #1
Carroll Co Water District #1 serves about 5,934 people through 3,489 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Carroll County, Kentucky. EPA system ID: KY0210066; phone on file: 502-347-9500. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 2 ppb from 2 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Carroll Co Water District #1 is 4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 4 ppb |
| 2023 | 2 ppb |
| 2020 | 0 (not detected) |
| 2017 | 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. Carroll Co Water District #1's 4 ppb sits at the 91st percentile in Kentucky and the 88th nationally (higher means more lead).
Neighbouring systems
3 other systems share Carroll County; 0 of them have a higher latest lead result than Carroll Co Water District #1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Carrollton Utilities | 6,851 | 1.76 ppb |
| West Carroll Water District- Henry Co #2 | 116 | 0 (not detected) |
| West Carroll Water District - Milton | 86 | 2.63 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Ghent, 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 Carroll Co Water District #1 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. Systems that went over once often dip back under; here is what that means.