Edinburgh Water Utility, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2023-2023). 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.
Who runs the water here
Edinburgh Water Utility serves about 4,480 people through 1,998 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 Johnson County, Indiana. EPA system ID: IN5241002; phone on file: 812-350-3560. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (1.49 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Edinburgh Water Utility is 1.6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2022 | 1.49 ppb |
| 2021 | 1.6 ppb |
| 2017 | 1.2 ppb |
How Edinburgh Water Utility 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. Edinburgh Water Utility's 1 ppb sits at the 43rd percentile in Indiana and the 55th nationally (higher means more lead).
Other water systems in Johnson County
7 other systems share Johnson County; 3 of them have a higher latest lead result than Edinburgh Water Utility. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Indiana American Water - Johnson County | 86,813 | 2 ppb |
| Bargersville Water Department | 34,418 | 2.8 ppb |
| Whiteland Water Works | 5,955 | 0 (not detected) |
| Camp Atterbury | 5,300 | 1.8 ppb |
| Princes Lake Water Department | 4,095 | 0.4 ppb |
| Trafalgar Water Department | 1,490 | - |
| Indiana Masonic Home | 654 | 0 (not detected) |
Next steps for Edinburgh, IN
Test your own tap with a certified lab first-draw sample; Edinburgh, 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 Edinburgh Water Utility 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.