Is Montgomery, TX tap water safe?
The short answer
3 of the 15 utilities serving Montgomery have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Dobbin Plantersville WSC 1, City of Montgomery and Lake Bonanza WSC.
Montgomery Trace Water System, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 4.8 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 Montgomery’s ZIP codes, from EPA’s estimates.
- Open report
Montgomery Trace Water System
Texas · serves 25,917 people · about 200 in Montgomery
1 result above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 4.8 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Dobbin Plantersville WSC 1
Texas · serves 4,767 people · about 140 in Montgomery
1 result above the legal limit, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 62 ppb, above the legal limit.
5 health-based violations since 2016
- Open report
Montgomery County MUD 9
Texas · serves 5,949 people · about 120 in Montgomery
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 98 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Montgomery County MUD 18
Texas · serves 7,608 people · about 120 in Montgomery
1 result above EPA’s health benchmark. The worst: Lithium at 52.3 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Montgomery County MUD 8
Texas · serves 5,472 people · about 110 in Montgomery
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 116 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Stanley Lake MUD
Texas · serves 3,783 people · under 100 in Montgomery
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 150 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Montgomery County UD 4
Texas · serves 4,980 people · under 100 in Montgomery
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 26 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Grand Harbor Water System
Texas · serves 2,370 people · under 100 in Montgomery
2 results above the health goal. The worst: Arsenic at 1.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Montgomery County UD 3
Texas · serves 3,825 people · under 100 in Montgomery
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 64 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
City of Montgomery
Texas · serves 3,771 people · under 100 in Montgomery
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 66 ppb, above the legal limit.
1 health-based violation since 2016
5 more utilities in Montgomery
By EPA’s estimate, each serves fewer people in Montgomery than those above.
- Lake Bonanza WSCserves 2,142 people · under 100 in Montgomery · 7 health-based violations since 2016
- Keenan WSCserves 1,245 people · under 100 in Montgomery · no health-based violations since 2016
- Diamond Head WSCserves 480 people · under 100 in Montgomery · no health-based violations since 2016
- Flamingo Lakes Lot Owners Association inserves 246 people · under 100 in Montgomery · no health-based violations since 2016
- Del Lago Estates WSCserves 204 people · under 100 in Montgomery · 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 Montgomery Trace Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOA, Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, Arsenic, Lead
Water testing near Montgomery
The 3 labs Texas certifies closest to Montgomery, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Nova Biologicals, Inc.
Conroe, TX · about 17 miles
Certified for bacteria
Water Utility Services, Inc.
Spring, TX · about 27 miles
Certified for bacteria
Chaparral Laboratories, Inc.
Huntsville, TX · about 30 miles
Certified for bacteria, lead and copper
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 Montgomery: 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 Montgomery
Towns nearby with a page of their own.
What to do next
- Read Montgomery Trace Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked 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