Is Crosby, TX tap water safe?
The short answer
3 of the 10 utilities serving Crosby have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Crosby MUD, Chapmans MHP and Carol Norra Mobile Home Park.
Newport MUD, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 4.0 ppb, above the health goal. 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 Crosby’s ZIP codes, from EPA’s estimates.
- Open report
Newport MUD
Texas · serves 13,191 people · about 320 in Crosby
2 results above the health goal. The worst: Arsenic at 4.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County MUD 50
Texas · serves 4,743 people · about 120 in Crosby
1 result above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Crosby MUD
Texas · serves 5,130 people · about 110 in Crosby
1 result above the health goal. The worst: Lead at 4.4 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Harris County WCID 70
Texas · serves 2,112 people · under 100 in Crosby
1 result above the health goal. The worst: Arsenic at 6.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harris County FWSD 58
Texas · serves 1,968 people · under 100 in Crosby
1 result above the health goal. The worst: Arsenic at 5.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Houston District 73
Texas · serves 6,105 people · under 100 in Crosby
3 results above the health goal. The worst: Arsenic at 3.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Chapmans MHP
Texas · serves 195 people · under 100 in Crosby
1 result above the health goal. The worst: Lead at 4.5 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Apacheland Mobile Home Subdivision
Texas · serves 207 people · under 100 in Crosby
1 result above the health goal. The worst: Lead at 1.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Four Seasons MHP
Texas · serves 54 people · under 100 in Crosby
1 result above the health goal. The worst: Arsenic at 6.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Carol Norra Mobile Home Park
Texas · serves 63 people · under 100 in Crosby
Nothing in its records is above a health goal.
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 Newport MUD’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 Crosby
The 3 labs Texas certifies closest to Crosby, 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 17 miles
Certified for bacteria, lead and copper
City of Houston Health Department, Bureau of Laboratory Services
Houston, TX · about 26 miles
Certified for bacteria
Water Utility Services, Inc.
Spring, TX · about 26 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 Crosby
Which ZIP codes are in Crosby: 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 Crosby
Other towns in Harris County with a page of their own.
What to do next
- Read Newport MUD’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water