Is Greenfield, IN tap water safe?
The short answer
None of the 4 utilities serving Greenfield has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records.
Greenfield Water Utility, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 1.8 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Greenfield’s ZIP codes, from EPA’s estimates.
- Open report
Greenfield Water Utility
Indiana · serves 26,671 people · about 1,800 in Greenfield
2 results above the health goal. The worst: Arsenic at 1.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
Citizens Water - Indianapolis
Indiana · serves 880,345 people · about 300 in Greenfield
2 results above the health goal. The worst: Lead at 3.4 ppb, above the health goal. Hardness: very hard on average, 317 mg/L (18.5 grains per gallon), ranging from 148 to 460 mg/L.
No health-based violations since 2016
- Open report
Philly Estates LLC
Indiana · serves 190 people · under 100 in Greenfield
2 results above the health goal. The worst: Lead at 4.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
Heartland Resort
Indiana · serves 65 people · under 100 in Greenfield
Nothing in its records is above a health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Greenfield Water Utility’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Water testing near Greenfield
The 3 labs Indiana certifies closest to Greenfield, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Hancock Water Laboratory
Greenfield, IN · under a mile
Certified for bacteria
EMSL Analytical, Inc.
Indianapolis, IN · about 17 miles
Certified for bacteria, nitrate, lead and copper, metals, asbestos
Marion County Public Health Department – Public Health Laboratory
Indianapolis, IN · about 19 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
(317) 221-4678Website: Marion County Public Health Department – Public Health Laboratory
Indiana Department of Health laboratory: Test kits for well water: nitrate, fluoride, and arsenic, lead and copper, ordered from the lab and returned by mail. They are open to the public. Nitrate is $10 a sample plus $6.50 shipping per order, fluoride $10 plus shipping, and the arsenic, lead and copper kit $20 plus $6.50 shipping. Water Testing, Indiana Department of Health.
All 81 certified labs for IndianaZIP codes in Greenfield
Which ZIP codes are in Greenfield: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Indiana Department of Health, certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Greenfield
Towns nearby with a page of their own.
What to do next
- Read Greenfield Water Utility’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water