Is Baytown, TX tap water safe?
The short answer
5 of the 12 utilities serving Baytown have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Harris County FWSD 1a, City of Mont Belvieu, Cedar Bayou Park and 2 more.
City of Baytown, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 6.0 ppt, above EPA’s new limit, which takes effect in 2029.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Baytown’s ZIP codes, from EPA’s estimates.
- Open report
City of Baytown
Texas · serves 86,004 people · about 41,100 in Baytown
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 6.0 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Lake MUD
Texas · serves 6,048 people · about 2,200 in Baytown
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 19.6 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Spring Meadows MUD
Texas · serves 4,224 people · about 1,700 in Baytown
1 result above the health goal. The worst: Lead at 1.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County FWSD 1a
Texas · serves 2,640 people · about 730 in Baytown
1 result above the health goal. The worst: Lead at 0.79 ppb, above the health goal.
2 health-based violations since 2016
- Open report
Harris County FWSD 27
Texas · serves 2,190 people · about 680 in Baytown
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Mont Belvieu
Texas · serves 12,864 people · about 410 in Baytown
1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 69.6 ppb, above the legal limit.
5 health-based violations since 2016
- Open report
Gray Utility Service
Texas · serves 8,004 people · about 370 in Baytown
1 result above the limit’s level with no violation recorded and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 94.6 ppb, above the limit’s level, no violation.
No health-based violations since 2016
- Open report
Harris County MUD 213 - A
Texas · serves 1,926 people · about 270 in Baytown
1 result above the health goal. The worst: Lead at 0.67 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cedar Bayou Park
Texas · serves 294 people · nearly all in Baytown
Nothing in its records is above a health goal.
1 health-based violation since 2016
- Open report
O Aces MHP
Texas · serves 72 people · under 100 in Baytown
1 result above the health goal. The worst: Lead at 0.3 ppb, above the health goal.
1 health-based violation since 2016
2 more utilities in Baytown
By EPA’s estimate, each serves fewer people in Baytown than those above.
- Barkaloo Homeowners Associationserves 42 people · under 100 in Baytown · 1 health-based violation since 2016
- Eagles Landingserves 90 people · based in Baytown · no health-based violations since 2016
MUD stands for municipal utility district, a local water and sewer district common in Texas.
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Baytown’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOS, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, Lead
Water testing near Baytown
The 3 labs Texas certifies closest to Baytown, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
A & B Environmental Services, Inc.
Houston, TX · about 19 miles
Certified for bacteria, lead and copper
City of Houston Health Department, Bureau of Laboratory Services
Houston, TX · about 28 miles
Certified for bacteria
Water Utility Services, Inc.
Spring, TX · about 37 miles
Certified for bacteria
Texas Well Owner Network, Texas A&M AgriLife Extension: Well Informed screening events, where well owners bring in water samples to be screened for common contaminants, followed by an hour-long session explaining the results. Upcoming events are on the network's calendar. Trainings, Texas Well Owner Network.
All 80 certified labs for TexasWhich ZIP codes are in Baytown: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TCEQ, drinking water laboratories approved for public water system samples; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Baytown
Other towns in Harris County with a page of their own.
What to do next
- Read City of Baytown’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water