The Woodlands
TX · CDP

Is The Woodlands, TX Tap Water Safe to Drink?

The Woodlands tap water meets federal Safe Drinking Water Act standards but 5 of 5 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

22Water systems
5ZIP codes
100%ZIPs above EPA guideline
Metro areaHouston-Pasadena-The Woodlands, TX
Latest data2025-12-05

Where Does The Woodlands Get Its Water?

Water in The Woodlands, TX is provided by 22 public water systems: THE WOODLANDS MUD 1, CITY OF CONROE, CITY OF OAK RIDGE NORTH, ENCANTO REAL UTILITY DISTRICT, HARRIS COUNTY IMPROVEMENT DISTRICT 18, HARRIS COUNTY MUD 1, HARRIS MONTGOMERY COUNTIES MUD 386, MEADOWHILL REGIONAL MUD, MONTGOMERY COUNTY MUD 15, MONTGOMERY COUNTY MUD 19, MONTGOMERY COUNTY MUD 36, MONTGOMERY COUNTY MUD 39, MONTGOMERY COUNTY MUD 46, MONTGOMERY COUNTY MUD 47, MONTGOMERY COUNTY MUD 6, MONTGOMERY COUNTY MUD 60, MONTGOMERY COUNTY MUD 67, MONTGOMERY COUNTY MUD 7, MONTGOMERY COUNTY WCID 1, NORTHAMPTON MUD, OAKMONT PUD and SOUTHERN MONTGOMERY COUNTY MUD.

How Is The Woodlands Tap Water Treated?

Treated water is disinfected using chloramines and free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration), direct filtration and groundwater disinfection.

What's in The Woodlands Tap Water?

The following contaminants were detected most frequently in The Woodlands public water systems. 5 of 5 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 138 µg/L 10 µg/L 5 ZIPs Above guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline
HFPO-DA 0.005 µg/L — 0 ZIPs Within guideline
PFBA 0.005 µg/L — 0 ZIPs Within guideline
6:2 FTS 0.005 µg/L — 0 ZIPs Within guideline

Health Risk Profile for The Woodlands

Based on EPA monitoring data, 5 of 5 ZIP codes in The Woodlands have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about The Woodlands Tap Water

Is The Woodlands tap water safe to drink?

The Woodlands tap water meets Safe Drinking Water Act requirements but 5 of 5 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in The Woodlands tap water?

The most commonly detected contaminants in The Woodlands water systems include: lithium, PFTrDA, HFPO-DA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does The Woodlands get its drinking water?

The Woodlands receives water from 22 public water systems, including THE WOODLANDS MUD 1.

Do I need a water filter in The Woodlands?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is The Woodlands tap water tested?

Public water systems in The Woodlands are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-12-05.

Tap water reports by ZIP in The Woodlands

Water utilities serving The Woodlands, TX

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with