Mayfield Electric & Water, KY
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2021-2023). 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.
Mayfield Electric & Water at a glance
Mayfield Electric & Water serves about 12,379 people through 5,000 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 groundwater, in Graves County, Kentucky. EPA system ID: KY0420274; phone on file: 270-247-4661. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Mayfield Electric & Water's lead record
That is up 2 ppb from 0 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Mayfield Electric & Water is 2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
How Mayfield Electric & Water 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. Mayfield Electric & Water's 2 ppb sits at the 72nd percentile in Kentucky and the 73rd nationally (higher means more lead).
Nearby utilities
8 other systems share Graves County; 3 of them have a higher latest lead result than Mayfield Electric & Water. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Graves Co Water Dist - Consumers | 5,016 | 2 ppb |
| Graves Co Water Dist - Hickory | 4,069 | 0 (not detected) |
| Graves Co Water Dist - South Graves | 1,844 | 0 (not detected) |
| Symsonia Water District | 1,810 | 0 (not detected) |
| Graves Co Water Dist - Fancy Farm | 1,301 | 5 ppb |
| Graves Co Water Dist - Hardeman | 1,006 | 0 (not detected) |
| Wingo Water & Sewer Department | 965 | 3 ppb |
| Graves Co Water Dist - Sedalia | 371 | 6 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Mayfield, 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 Mayfield Electric & Water 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.