Tap Water Results

Is Conroe, 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 Conroe.

7 public water systems serve parts of Conroe. The largest, City of Conroe, serves 113,912 people. Your water bill names your system.

Largest system

City of Conroe

113,912 people · Purchased surface water · EPA ID TX1700001

Buys treated water from Sjra Grp Sw Treatment Plant.

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 Conroe 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.

Conroe homes and lead pipes

17%
of homes built before 1980 (Texas 33%, US 50%)
2%
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 Conroe city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Conroe

  • Montgomery County Municipal Utility District 67
    16,821 people · Purchased surface water · Texas · reported ZIPs here
    Lithium above screening level
  • Montgomery County Municipal Utility District 7
    12,528 people · Purchased surface water · Texas · reported ZIPs here
    Total trihalomethanes (TTHM) violationAlso: Lithium above screening level
  • Montgomery County Municipal Utility District 112
    5,292 people · Groundwater · Texas · reported ZIPs here
    Lithium above screening level
  • Montgomery County Municipal Utility District 39
    4,284 people · Purchased surface water · Texas · reported ZIPs here
    Lithium above screening level
  • Carriage Hills Water System
    1,833 people · Groundwater · Texas · reported ZIPs here
    Lithium above screening level
  • White Oak Ranch Section One Water System
    495 people · Groundwater · Texas · reported ZIPs here
    Not in EPA's PFAS sample

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Huntsville 26 mi
City of Huntsville
City of HuntsvilleAbove limit2.03 ppb
Houston 38 mi
City of Houston
City of HoustonNone above limits5 ppb
Katy 42 mi
City of Katy
City of KatyNone above limits2.7 ppb
Deer Park 49 mi
City of Deer Park
City of Deer ParkNone above limits0 ppb
Fulshear 50 mi
City of Fulshear
City of FulshearNone above limits0 ppb
Baytown 50 mi
City of Baytown
City of BaytownAbove limit2.1 ppb
Conroe ZIP codes (3)
  • 77301
  • 77304
  • 77384

Questions

Is Conroe tap water safe to drink?

City of Conroe 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 Conroe, TX?

7 public water systems serve parts of Conroe. The largest is City of Conroe (113,912 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Conroe tap water have PFAS?

None detected above EPA's reporting limits. City of Conroe 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 Conroe homes have lead pipes?

Census estimates put 17% of Conroe 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 Conroe'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.