A86/100
The Woodlands Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 163,683 residents · Texas
What's In The Woodlands's Tap Water?
54
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
WEST MEMORIAL MUD
Population Served
4,182
Water Source
Groundwater
System ID
TX1010540
REID ROAD MUD 2
Population Served
4,662
Water Source
Groundwater
System ID
TX1011928
HARRIS COUNTY MUD 238
Population Served
7,773
Water Source
Purchased Surface Water
System ID
TX1012361
HARRIS COUNTY MUD 304
Population Served
4,158
Water Source
Purchased Surface Water
System ID
TX1012941
HARRIS COUNTY MUD 361
Population Served
3,705
Water Source
Purchased Groundwater
System ID
TX1013123
MONTGOMERY COUNTY MUD 6
Population Served
8,610
Water Source
Purchased Surface Water
System ID
TX1700090
MONTGOMERY COUNTY WCID 1
Population Served
3,396
Water Source
Groundwater
System ID
TX1700119
SPRING CREEK UTILITY DISTRICT
Population Served
11,733
Water Source
Groundwater
System ID
TX1700133
MONTGOMERY COUNTY MUD 36
Population Served
5,235
Water Source
Purchased Surface Water
System ID
TX1700139
MONTGOMERY COUNTY MUD 7
Population Served
12,528
Water Source
Purchased Surface Water
System ID
TX1700169
THE WOODLANDS METRO CENTER MUD
Population Served
1,725
Water Source
Purchased Surface Water
System ID
TX1700309
MONTGOMERY COUNTY MUD 39
Population Served
4,284
Water Source
Purchased Surface Water
System ID
TX1700332
MONTGOMERY COUNTY MUD 46
Population Served
24,399
Water Source
Purchased Surface Water
System ID
TX1700348
MONTGOMERY COUNTY MUD 47
Population Served
24,171
Water Source
Purchased Surface Water
System ID
TX1700458
MONTGOMERY COUNTY MUD 60
Population Served
15,036
Water Source
Purchased Surface Water
System ID
TX1700470
THE WOODLANDS MUD 1
Population Served
7,989
Water Source
Purchased Surface Water
System ID
TX1700471
MONTGOMERY COUNTY MUD 67
Population Served
16,821
Water Source
Purchased Surface Water
System ID
TX1700554
MONTGOMERY COUNTY MUD 88
Population Served
3,276
Water Source
Groundwater
System ID
TX1700776
Frequently Asked Questions About The Woodlands Water
Is The Woodlands tap water safe to drink?
The Woodlands, Texas tap water receives a grade of A (86/100), which is considered excellent. Out of 70 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in The Woodlands's water?
Of the 70 contaminants tested in The Woodlands's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does The Woodlands have any water quality violations?
Yes, The Woodlands has 120 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 15 of these are health-based violations, which are the most serious category.
Do I need a water filter in The Woodlands?
Based on EPA data, using a water filter in The Woodlands is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does The Woodlands's tap water come from?
The Woodlands's drinking water is sourced from groundwater and supplied by WEST MEMORIAL MUD and 17 other water system(s). The system serves approximately 163,683 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is The Woodlands's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. The Woodlands's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does The Woodlands's water compare to other cities in Texas?
The Woodlands's water quality score of 86/100 earns a grade of A, which is considered excellent. This places The Woodlands among the better-performing water systems in Texas. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about The Woodlands's water quality?
If you have concerns about The Woodlands's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WEST MEMORIAL MUD) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.