Edwardsville Water Corporation, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 1.47 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
Edwardsville Water Corporation serves about 10,442 people through 4,351 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 Floyd County, Indiana. EPA system ID: IN5222001; phone on file: 812-725-3710. 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 (1.52 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Edwardsville Water Corporation is 2.3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.47 ppb |
| 2022 | 1.52 ppb |
| 2019 | 0 (not detected) |
| 2016 | 2.3 ppb |
How Edwardsville Water Corporation compares
Of the 687 Indiana systems with a lead result, the median latest reading is 1.31 ppb; 6 are over 15 ppb right now and 36 have gone over at some point. Edwardsville Water Corporation's 1.47 ppb sits at the 54th percentile in Indiana and the 63rd nationally (higher means more lead).
Neighbouring systems
3 other systems share Floyd County; 1 of them has a higher latest lead result than Edwardsville Water Corporation. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Floyds Knobs Water Company, Inc. | 6,690 | 2.67 ppb |
| Greenville Water Utility | 4,920 | 1.31 ppb |
| Indiana American Water - Georgetown | 3,605 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Georgetown, IN 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 Edwardsville Water Corporation 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. The action level is dropping - the 10 ppb rule from 2027.