Is Westminster, TX Tap Water Safe to Drink?
Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86.6/100
waterverge.com Westminster, TX — Water Quality Report
Westminster's drinking water received a grade of A- (86.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,424 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 2 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Westminster's water
Westminster ranks #149 out of 1067 cities in Texas for water quality, placing it above average in the state.
Westminster relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Westminster may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Westminster, TX water safe to drink?
Westminster's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,424 residents using groundwater (wells).
Recent water quality updates for Westminster
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Westminster's water quality assessment. Grade: A- (86.6/100).
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3294). Hurricane event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Westminster's water supply.
Well within EPA limits.
Violation history
Westminster's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved.
Flood & environmental risk
Collin County has experienced 5 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Indian Ck At Sh 78 Nr Farmersville, Sister Grove Ck Nr Blue Ridge.
Where does Westminster's water come from?
Westminster's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,424 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Indian Ck At Sh 78 Nr Farmersville (river), Sister Grove Ck Nr Blue Ridge (river).
What Westminster residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Westminster's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Westminster
Industrial polluters nearby
Reported releases to surface water by facilities near Westminster, ranked by pounds discharged annually.
Total reported releases to surface water: 1 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
MELISSA PLANT MELISSA, TX75454 | Lead | 1 | 7.0 mi |
CMC STEEL FABRICATORS (DBA CMC REBAR) MELISSA, TX75454 | — | — | 9.1 mi |
HOLCIM-SOR INC. - MELISSA RM MELISSA, TX75454 | — | — | 7.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D1 — moderate droughtCollin County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Collin County has experienced 5 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Westminster compares by contaminant
Explore where Westminster ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Westminster's water comes from
Westminster's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 2,424 people through 1 water system.
Water bodies near Westminster
Westminster is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Westminster
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WESTMINSTER SUD | TX0430049 | 2,424 | GW |
How Westminster compares
Full Texas rankings →Westminster's score of 86.6/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Texas rankings →About Westminster, TX
Wikipedia →Westminster is a census-designated place (CDP) in northeastern Collin County, Texas, United States. The population was 861 as of the 2010 census, up from 390 at the 2000 census, at which time it was a city.
Learn more about your water
Guides and resources related to Westminster's water quality findings.
Explore water quality across Collin
Frequently asked questions
Is Westminster, TX tap water safe to drink?
Westminster's water quality earned a grade of A- (86.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #149 out of 1067 cities tested in Texas.
What contaminants are in Westminster's water?
Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.
How is Westminster's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Westminster?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Westminster's water come from?
Westminster's water is sourced from Groundwater. The city has 1 water system serving approximately 2,424 residents.
Is Westminster's groundwater at risk of contamination?
Westminster uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 2 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Westminster's water compare to other cities?
Westminster ranks #149 out of 1067 cities in Texas (better than 86% of state cities) and #4603 out of 15744 cities nationally (71th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Westminster's small water system affect quality?
Westminster's system serves approximately 2,424 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 2 violations on record.