Tap Water Results

Is Rosenberg, 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 Rosenberg. 4 PFAS were detected below the limits.

3 public water systems serve parts of Rosenberg. The largest, City of Rosenberg, serves 43,158 people. Your water bill names your system.

Largest system

City of Rosenberg

43,158 people · Purchased surface water · EPA ID TX0790003

Buys treated water from Brazosport Water Authority, Fort Bend County Municipal Utility District 5, City of Richmond.

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: 1.87 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 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.

Rosenberg homes and lead pipes

28%
of homes built before 1980 (Texas 33%, US 50%)
5%
built before 1950 (Texas 6%)
46%
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 Rosenberg city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Rosenberg

  • Harris County Municipal Utility District 284
    4,506 people · Groundwater · Texas · reported ZIPs here
    Not in EPA's PFAS sample
  • Kingdom Heights Water System
    2,934 people · Groundwater · Texas · reported ZIPs here
    Lithium above screening level

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Fulshear 10 mi
City of Fulshear
City of FulshearNone above limits0 ppb
Sugar Land 12 mi
City of Sugar Land
City of Sugar LandNone above limits1.51 ppb
Katy 17 mi
City of Katy
City of KatyNone above limits2.7 ppb
Missouri City 17 mi
Quail Valley Utility District
Quail Valley Utility DistrictNone above limits0 ppb
Pearland 30 mi
City of Pearland
City of PearlandNone above limits2.1 ppb
Houston 31 mi
City of Houston
City of HoustonNone above limits5 ppb
Rosenberg ZIP codes (1)
  • 77471

Questions

Is Rosenberg tap water safe to drink?

City of Rosenberg 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 Rosenberg, TX?

3 public water systems serve parts of Rosenberg. The largest is City of Rosenberg (43,158 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Rosenberg tap water have PFAS?

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

Do Rosenberg homes have lead pipes?

Census estimates put 28% of Rosenberg 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 Rosenberg'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.