Tap Water Results

Is Westfield, 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 Carmel Water Department.

2 public water systems serve parts of Westfield. The largest, Carmel Water Department, serves 99,927 people. Your water bill names your system.

Largest system

Carmel Water Department

99,927 people · Groundwater under influence of surface water · EPA ID IN5229004

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: 2.94 ppb at the 90th percentile (Dec 2023, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 2

Full Carmel Water Department results

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.

Westfield homes and lead pipes

8%
of homes built before 1980 (Indiana 55%, US 50%)
1%
built before 1950 (Indiana 21%)
21%
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. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Westfield city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Westfield

  • Little Eagle Creek Estates Water System
    35 people · Groundwater · Indiana · lists this city
    Coliform bacteria violation

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Carmel 5 mi
Carmel Water Department
Carmel Water DepartmentNone above limits2.94 ppb
Noblesville 8 mi
Indiana American Water – Noblesville
Indiana American Water – NoblesvilleNone above limits3 ppb
Zionsville 9 mi
Citizens Water – Whitestown
Citizens Water – WhitestownNone above limits0.33 ppb
Lawrence 14 mi
City of Lawrence Utilities
City of Lawrence UtilitiesNone above limits0.76 ppb
Indianapolis 18 mi
Citizens Water – Indianapolis
Citizens Water – IndianapolisNone above limits3.44 ppb
Brownsburg 18 mi
Brownsburg Water Works
Brownsburg Water WorksNone above limits0 ppb
Westfield ZIP codes (1)
  • 46074

Questions

Is Westfield tap water safe to drink?

Carmel Water Department had 2 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 Westfield, IN?

2 public water systems serve parts of Westfield. The largest is Carmel Water Department (99,927 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Westfield tap water have PFAS?

None detected above EPA's reporting limits. Carmel Water Department 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 Westfield homes have lead pipes?

Census estimates put 8% of Westfield 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. Carmel Water Department'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.