Cynthiana Municipal Water Works, KY
Lead detected, under the action levels
Latest 90th-percentile lead: 2.32 ppb (monitoring period 2026-2028). 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 Cynthiana Municipal Water Works
Cynthiana Municipal Water Works serves about 7,263 people through 2,653 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 surface water, in Harrison County, Kentucky. EPA system ID: KY0490096; phone on file: 859-234-7159. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Cynthiana Municipal Water Works's lead record
That is down 2.68 ppb from 5 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Cynthiana Municipal Water Works is 8 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 2.32 ppb |
| 2024 | 5 ppb |
| 2021 | 7 ppb |
| 2019 | 3 ppb |
| 2016 | 8 ppb |
How Cynthiana Municipal Water Works 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. Cynthiana Municipal Water Works's 2.32 ppb sits at the 77th percentile in Kentucky and the 76th nationally (higher means more lead).
Other water systems in Harrison County
1 other system shares Harrison County; 0 of them have a higher latest lead result than Cynthiana Municipal Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Harrison Co Water Association | 16,736 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Cynthiana, 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 Cynthiana Municipal 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.