Jonathan Creek Water District, KY
Lead detected, under the action levels
Latest 90th-percentile lead: 4 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.
Who runs the water here
Jonathan Creek Water District serves about 7,182 people through 2,669 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 Marshall County, Kentucky. EPA system ID: KY0790216; phone on file: 270-354-8474. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 4 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Jonathan Creek Water District is 4 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 2 ppb |
How Jonathan Creek Water District 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. Jonathan Creek Water District's 4 ppb sits at the 92nd percentile in Kentucky and the 88th nationally (higher means more lead).
Other water systems in Marshall County
4 other systems share Marshall County; 0 of them have a higher latest lead result than Jonathan Creek Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| North Marshall Water District #1 | 16,276 | 0 (not detected) |
| Benton Water & Sewer | 7,981 | 0 (not detected) |
| Calvert City Municipal Water Department | 4,381 | 3 ppb |
| Hardin Water Department | 1,606 | 0 (not detected) |
Next steps for Benton, KY
Test your own tap with a certified lab first-draw sample; Benton, 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 Jonathan Creek 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.