City of Tomball
TX1010026Groundwater from the Evangeline and Chicot aquifers.
PWS-level water intelligence
Tomball, TX Water Quality Test Results
Review City of Tomball PWS TX1010026 results for lead, copper, chlorine, and TTHM with surrounding-MUD context.
✓ Official sources✓ System-specific✓ No invented city averages
Evidence status
Coverage model: City PWS + surrounding MUDs
These values apply to City of Tomball PWS TX1010026; confirm City service rather than a surrounding MUD.
Partial measurementsTomball’s 2025 report identifies the City’s groundwater system and measured results, while the wider Tomball mailing area includes separate utility districts.
System resolution
Which water system applies?
Tomball-area MUDs
Separate systems require their own reports.
Measured facts
Published measurements
2021–2023 tap sampling; 0 sites over the 15 ppb action level.
2021–2023 tap sampling; 0 sites over the 1.3 ppm action level.
2025 result; reported range 0.28–3.40 ppm.
Highest listed 2025 locational running annual average; MCL 80 ppb.
LADS interpretation
What the evidence means—and does not mean
- The City report applies only after confirming PWS TX1010026 service.
- The City states that its inventory found no lead, replacement-required galvanized, or unknown service lines in the system.
- Household plumbing can still affect tap results, and surrounding MUD customers need the report for their actual system.
Measured fact
Values above stay tied to their named system, units, sample or report year, and official source.
Publisher interpretationPlanning language is educational context. It is not an official safety determination, diagnosis, ranking, or equipment prescription.
Primary evidence
Official sources
Evidence before equipment