Is Spring, TX tap water safe?
The short answer
1 of the 14 utilities serving Spring has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Timber Creek Estates.
Harris County MUD 82, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 27.7 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 Spring’s ZIP codes, from EPA’s estimates.
- Open report
Harris County MUD 82
Texas · serves 18,990 people · about 12,200 in Spring
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 27.7 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Timber Lane Utility District
Texas · serves 24,507 people · about 11,400 in Spring
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 19.1 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Tattor Road MUD
Texas · serves 5,400 people · nearly all in Spring
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 29.5 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Harris County MUD 43
Texas · serves 6,873 people · about 5,000 in Spring
2 results above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County WCID 92
Texas · serves 4,752 people · about 3,600 in Spring
1 result above the health goal. The worst: Arsenic at 2.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Northgate Crossing MUD 2
Texas · serves 3,753 people · nearly all in Spring
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 29.2 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Harris County WCID 136
Texas · serves 3,192 people · nearly all in Spring
1 result above the health goal. The worst: Lead at 3.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County WCID 99
Texas · serves 2,343 people · nearly all in Spring
1 result above the health goal. The worst: Arsenic at 4.5 ppb, above the health goal.
No health-based violations since 2016
- Open report
Postwood MUD
Texas · serves 3,747 people · about 2,700 in Spring
1 result above the health goal. The worst: Lead at 0.74 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County MUD 249
Texas · serves 3,420 people · about 2,700 in Spring
1 result above the health goal. The worst: Lead at 2.0 ppb, above the health goal.
No health-based violations since 2016
4 more utilities in Spring
By EPA’s estimate, each serves fewer people in Spring than those above.
- Northgate Crossing MUD 1serves 3,906 people · about 2,100 in Spring · no health-based violations since 2016
- Bayer Water Systemserves 1,638 people · about 1,100 in Spring · no health-based violations since 2016
- Spring Creek Forestserves 123 people · nearly all in Spring · no health-based violations since 2016
- Timber Creek Estatesserves 60 people · nearly all in Spring · 1 health-based violation 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 Harris County MUD 82’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: 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: 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: Arsenic, Lead
Water testing near Spring
The 3 labs Texas certifies closest to Spring, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Water Utility Services, Inc.
Spring, TX · about 5 miles
Certified for bacteria
Nova Biologicals, Inc.
Conroe, TX · about 17 miles
Certified for bacteria
Eurofins EMLab P&K – Houston
Houston, TX · about 18 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 TexasZIP codes in Spring
Which ZIP codes are in Spring: 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 Spring
Other towns in Harris County with a page of their own.
What to do next
- Read Harris County MUD 82’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water