Tap Water Results

Is Harker Heights, TX 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 City of Harker Heights. 3 PFAS were detected below the limits.

2 public water systems serve parts of Harker Heights. The largest, City of Harker Heights, serves 35,957 people. Your water bill names your system.

Largest system

City of Harker Heights

35,957 people · Purchased surface water · EPA ID TX0140023

Buys treated water from Bell County Water Control & Improvement District 1.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Detected, below limit
2 ppt10 pptDetected, below limit
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: 0 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Across Texas, 28 of 1,130 water systems EPA tested had PFAS above a 2024 federal limit, and 13 systems were above the lead action level in results from the last five years. Texas results.

Harker Heights homes and lead pipes

21%
of homes built before 1980 (Texas 33%, US 50%)
0%
built before 1950 (Texas 6%)
38%
of households rent (Texas 37%)

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

Other water systems serving Harker Heights

  • 439 Water Supply Corporation
    7,836 people · Purchased surface water · Texas · reported ZIPs here
    Haloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations · PFOS detected · PFHxS detected

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Killeen 5 mi
City of Killeen
City of KilleenNone above limits1 ppb
Belton 10 mi
City of Belton
City of BeltonNone above limits0 ppb
Temple 15 mi
City of Temple
City of TempleNone above limits0 ppb
Copperas Cove 17 mi
City of Copperas Cove
City of Copperas CoveNone above limits0 ppb
Georgetown 27 mi
City of Georgetown
City of GeorgetownNone above limits4.81 ppb
Leander 36 mi
City of Austin Water & Wastewater
City of Austin Water & WastewaterNone above limits0 ppb
Harker Heights ZIP codes (1)
  • 76548

Questions

Is Harker Heights tap water safe to drink?

City of Harker Heights 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 Harker Heights, TX?

2 public water systems serve parts of Harker Heights. The largest is City of Harker Heights (35,957 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Harker Heights tap water have PFAS?

City of Harker Heights had 3 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Harker Heights homes have lead pipes?

Census estimates put 21% of Harker Heights homes as built before 1980 (Texas: 33%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Harker Heights'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.