Is Greenfield, IN tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Greenfield Water Utility.
3 public water systems serve parts of Greenfield. The largest, Greenfield Water Utility, serves 26,671 people. Your water bill names your system.
Largest system
Greenfield Water Utility
26,671 people · Groundwater · EPA ID IN5230004
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 0.59 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Indiana, 6 of 219 water systems EPA tested had PFAS above a 2024 federal limit, and 6 systems were above the lead action level in results from the last five years. Indiana results.
Greenfield homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Greenfield city (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Greenfield
- Philly Estates LLC190 people · Groundwater · Indiana · lists this cityNot in EPA's PFAS sample
- Heartland Resort Water System65 people · Groundwater · Indiana · lists this cityNot in EPA's PFAS sample
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Lawrence 13 mi City of Lawrence Utilities | None above limits | 0.76 ppb |
| Indianapolis 20 mi Citizens Water – Indianapolis | None above limits | 3.44 ppb |
| Noblesville 21 mi Indiana American Water – Noblesville | None above limits | 3 ppb |
| Anderson 21 mi Anderson Water Department | None above limits | 1.4 ppb |
| Greenwood 22 mi Indiana American Water – Johnson County | None above limits | 2 ppb |
| Carmel 23 mi Carmel Water Department | None above limits | 2.94 ppb |
Greenfield ZIP codes (1)
- 46140
Questions
Is Greenfield tap water safe to drink?
Greenfield Water Utility has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Greenfield, IN?
3 public water systems serve parts of Greenfield. The largest is Greenfield Water Utility (26,671 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Greenfield tap water have PFAS?
None detected above EPA's reporting limits. Greenfield Water Utility had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Greenfield homes have lead pipes?
Census estimates put 37% of Greenfield homes as built before 1980 (Indiana: 55%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Greenfield Water Utility's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.