Water Quality: the Woodlands, TX
22 water systems • 165,267 people served
Multiple Health ViolationsWater Quality Summary
the Woodlands is served by 22 public water systems with a combined service population of 165,267 people, and has 386 EPA Safe Drinking Water Act violations on record. Critically, 21 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. the Woodlands's violation count is 82% above the national average for Texas. Contaminants associated with violations include Disinfection Byproducts, E. coli, HAA5, Stage 2 DBP, TTHM.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving the Woodlands
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MONTGOMERY COUNTY MUD 46 | TX1700348 | Surface Water | 24,399 | 11 |
| MONTGOMERY COUNTY MUD 47 | TX1700458 | Surface Water | 24,171 | 11 |
| MONTGOMERY COUNTY MUD 67 | TX1700554 | Surface Water | 16,821 | 8 |
| MONTGOMERY COUNTY MUD 60 | TX1700470 | Surface Water | 15,036 | 16 |
| MONTGOMERY COUNTY MUD 7 | TX1700169 | Surface Water | 12,528 | 11 |
| SPRING CREEK UTILITY DISTRICT | TX1700133 | Groundwater | 11,733 | 0 |
| MONTGOMERY COUNTY MUD 6 | TX1700090 | Surface Water | 8,610 | 6 |
| THE WOODLANDS MUD 1 | TX1700471 | Surface Water | 7,989 | 8 |
| HARRIS COUNTY MUD 238 | TX1012361 | Surface Water | 7,773 | 9 |
| MONTGOMERY COUNTY MUD 36 | TX1700139 | Surface Water | 5,235 | 6 |
| REID ROAD MUD 2 | TX1011928 | Groundwater | 4,662 | 0 |
| MONTGOMERY COUNTY MUD 39 | TX1700332 | Surface Water | 4,284 | 11 |
| WEST MEMORIAL MUD | TX1010540 | Groundwater | 4,182 | 4 |
| HARRIS COUNTY MUD 304 | TX1012941 | Surface Water | 4,158 | 20 |
| HARRIS COUNTY MUD 361 | TX1013123 | Groundwater | 3,705 | 1 |
| MONTGOMERY COUNTY WCID 1 | TX1700119 | Groundwater | 3,396 | 6 |
| MONTGOMERY COUNTY MUD 88 | TX1700776 | Groundwater | 3,276 | 5 |
| THE WOODLANDS METRO CENTER MUD | TX1700309 | Surface Water | 1,725 | 6 |
| WHITE OAK WATER SUPPLY CORPORATION | TX1700616 | Groundwater | 900 | 0 |
| RESIDENCE RV PARK | TX1700999 | Groundwater | 466 | 0 |
| SJOLANDER ROAD MOBILE HOME PARK | TX1010788 | Groundwater | 146 | 16 |
| BOYD ACRES WATER SYSTEM | TX0610051 | Groundwater | 72 | 231 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Texas
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.