Is Mishawaka, IN tap water safe?

Data: U.S. EPA · How we read the data · How we check it

No federal limits exceeded in EPA data for Mishawaka Utilities. 5 PFAS were detected below the limits.

2 public water systems serve parts of Mishawaka. The largest, Mishawaka Utilities, serves 49,675 people. Your water bill names your system.

Largest system

Mishawaka Utilities

49,675 people · Groundwater · EPA ID IN5271009

PFAS	Highest average	Limit	Status
PFOA Not detected	–	4 ppt	Not detected
PFOS One sample above limit	2.1 ppt	4 ppt	One sample above limit
PFHxS Detected, below limit	4.95 ppt	10 ppt	Detected, below limit
PFNA Not detected	–	10 ppt	Not detected
HFPO-DA (GenX) Not detected	–	10 ppt	Not 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: 7.1 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.

Mishawaka homes and lead pipes

57%

of homes built before 1980 (Indiana 55%, US 50%)

25%

built before 1950 (Indiana 21%)

51%

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

Other water systems serving Mishawaka

Sisters-St. Francis Perpetual Adoration Water System
145 people · Groundwater · Indiana · lists this city
Not in EPA's PFAS sample

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
South Bend 5 mi South Bend Water Works	South Bend Water Works	Above limit	4.7 ppb
Elkhart 11 mi Elkhart Public Works and Utilities	Elkhart Public Works and Utilities	None above limits	2 ppb
Goshen 19 mi Goshen Water Utility	Goshen Water Utility	None above limits	5.8 ppb
Michigan City 36 mi Michigan City Department of Water Works	Michigan City Department of Water Works	None above limits	1.9 ppb
Valparaiso 48 mi Valparaiso Department of Water Works	Valparaiso Department of Water Works	None above limits	3.7 ppb
Hobart 58 mi Indiana American Water – Northwest	Indiana American Water – Northwest	None above limits	3 ppb

Mishawaka ZIP codes (2)

46544
46545

Questions

Is Mishawaka tap water safe to drink?

Mishawaka Utilities 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 Mishawaka, IN?

2 public water systems serve parts of Mishawaka. The largest is Mishawaka Utilities (49,675 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Mishawaka tap water have PFAS?

Mishawaka Utilities had 5 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Mishawaka homes have lead pipes?

Census estimates put 57% of Mishawaka 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. Mishawaka Utilities'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.