Greenfield Water Utility, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 0.59 ppb (monitoring period 2024-2026). 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
Greenfield Water Utility serves about 26,671 people through 9,973 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 Hancock County, Indiana. EPA system ID: IN5230004; phone on file: 317-498-3647. 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 2023 (1.1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Greenfield Water Utility is 1.5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.59 ppb |
| 2023 | 1.1 ppb |
| 2020 | 1.5 ppb |
| 2017 | 1.2 ppb |
Against other Indiana systems
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. Greenfield Water Utility's 0.59 ppb sits at the 37th percentile in Indiana and the 44th nationally (higher means more lead).
Nearby utilities
6 other systems share Hancock County; 5 of them have a higher latest lead result than Greenfield Water Utility. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fortville Water Works | 7,638 | 7.96 ppb |
| Ninestar Connect - Gem Water | 1,837 | 1.9 ppb |
| Philly Estates Llc | 190 | 4.6 ppb |
| Arrowhead Mobile Home Park | 65 | 4.3 ppb |
| Heartland Resort | 65 | 0 (not detected) |
| Cade Apartments | 50 | 3.2 ppb |
Next steps for Greenfield, IN
Test your own tap with a certified lab first-draw sample; Greenfield, 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 Greenfield 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.