Tap Water Results

Is Marion, 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 Marion City Water Works.

2 public water systems serve parts of Marion. The largest, Marion City Water Works, serves 28,363 people. Your water bill names your system.

Largest system

Marion City Water Works

28,363 people · Groundwater · EPA ID IN5227014

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

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: 1.92 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.

Marion homes and lead pipes

79%
of homes built before 1980 (Indiana 55%, US 50%)
33%
built before 1950 (Indiana 21%)
41%
of households rent (Indiana 29%)

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 Marion city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Marion

  • Colonial Crest LLC
    101 people · Groundwater · Indiana · lists this city
    Not in EPA's PFAS sample

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Kokomo 25 mi
Indiana American Water – Kokomo
Indiana American Water – KokomoNone above limits2 ppb
Muncie 28 mi
Indiana American Water – Muncie
Indiana American Water – MuncieNone above limits2 ppb
Anderson 32 mi
Anderson Water Department
Anderson Water DepartmentNone above limits1.4 ppb
Noblesville 40 mi
Indiana American Water – Noblesville
Indiana American Water – NoblesvilleNone above limits3 ppb
Westfield 44 mi
Carmel Water Department
Carmel Water DepartmentNone above limits2.94 ppb
Fort Wayne 46 mi
Fort Wayne – 3 Rivers Filtration Plant
Fort Wayne – 3 Rivers Filtration PlantNone above limits2.62 ppb
Marion ZIP codes (1)
  • 46953

Questions

Is Marion tap water safe to drink?

Marion City Water Works 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 Marion, IN?

2 public water systems serve parts of Marion. The largest is Marion City Water Works (28,363 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Marion tap water have PFAS?

None detected above EPA's reporting limits. Marion City Water Works 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 Marion homes have lead pipes?

Census estimates put 79% of Marion 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. Marion City Water Works'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.