Tap Water Results

Is College Station, 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 College Station. 4 PFAS were detected below the limits.

4 public water systems serve parts of College Station. The largest, City of College Station, serves 104,103 people. Your water bill names your system.

Largest system

City of College Station

104,103 people · Groundwater · EPA ID TX0210002

Buys treated water from Texas A&m University Main Campus Water System, City of Bryan.

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: 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

Full City of College Station results

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.

College Station homes and lead pipes

18%
of homes built before 1980 (Texas 33%, US 50%)
1%
built before 1950 (Texas 6%)
65%
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 College Station city (tables B25034, B25003). Estimates for small places have a margin of error.

Which system serves your ZIP code

Based on the ZIP codes each system reported serving. Boundaries don't follow ZIP lines exactly, so your water bill is the final word.

SystemZIP codes in College Station
City of College Station
104,103 people
77840, 77845
Texas A&m University Main Campus Water System
58,500 people
77843

Other water systems serving College Station

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Bryan 8 mi
City of Bryan
City of BryanNone above limits2.34 ppb
Huntsville 45 mi
City of Huntsville
City of HuntsvilleAbove limit2.03 ppb
Conroe 51 mi
City of Conroe
City of ConroeNone above limits0 ppb
Katy 61 mi
City of Katy
City of KatyNone above limits2.7 ppb
Fulshear 67 mi
City of Fulshear
City of FulshearNone above limits0 ppb
Temple 74 mi
City of Temple
City of TempleNone above limits0 ppb

Questions

Is College Station tap water safe to drink?

City of College Station 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 College Station, TX?

4 public water systems serve parts of College Station. The largest is City of College Station (104,103 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does College Station tap water have PFAS?

City of College Station had 4 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do College Station homes have lead pipes?

Census estimates put 18% of College Station 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 College Station'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.