Is Billings, TX Tap Water Safe to Drink?
Graded B-, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
74.9/100
Billings, TX — Water Quality Report
Billings's drinking water received a grade of B- (74.9 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 790 residents using purchased surface water.
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 58 violations on record, including 0 health-based violations. 23 remain unresolved.
What to know about Billings's water
Billings ranks #491 out of 1067 cities in Texas for water quality, placing it mid-range in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Billings may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Billings, TX water safe to drink?
Billings's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 790 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Billings
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Billings's water quality assessment. Grade: B- (74.9/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Billings's water supply.
Well within EPA limits.
Violation history
Billings's water system has 58 total violations on record, including 0 health-based violations. 23 remain unresolved. 7 violations were issued in the last 5 years.
Flood & environmental risk
Dallas County has experienced 7 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 Mountain Ck Lk Nr Grand Prairie, Mountain Ck At Grand Prairie, Farmers Br At N Stemmons Fwy Nr Dallas, Elm Fk Trinity Rv At Spur 348, Irving, Joes Ck At Willowbrook Rd, Dallas.
Where does Billings's water come from?
Billings's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 790 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Mountain Ck Lk Nr Grand Prairie (lake), Mountain Ck At Grand Prairie (river), Farmers Br At N Stemmons Fwy Nr Dallas (river), Elm Fk Trinity Rv At Spur 348, Irving (river), Joes Ck At Willowbrook Rd, Dallas (river).
What Billings residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Billings's water.
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.
Billings'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
Flood & disaster history
Dallas County has experienced 7 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 Billings compares by contaminant
Explore where Billings ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Billings's water comes from
Billings's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by private ownership and serves approximately 790 people through 2 water systems.
Water bodies near Billings
Billings is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Billings
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HILLSIDE VILLAGE | MT0003808 | 650 | SWP |
| EASTWOOD MOBILE HOME COURT | MT0005147 | 140 | SWP |
How Billings compares
Full Texas rankings →Billings's score of 74.9/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Texas rankings →About Billings, TX
Wikipedia →Dallas is a city in the U.S. state of Texas. Located in the state's northern region, it is the ninth-most populous city in the United States and third-most populous city in Texas, with a population of 1.3 million at the 2020 census. Along with the city of Fort Worth, Dallas anchors the Dallas–Fort Worth metroplex, the fourth-most populous metropolitan area in the U.S. and the most populous metropolitan area in Texas, at 8.5 million people. Dallas is a core city of the largest metropolitan area in the Southern U.S. and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea. It is the seat of Dallas County, covering nearly 386 square miles (1,000 km2) and extending into Collin, Denton, Kaufman, and Rockwall counties.
Learn more about your water
Guides and resources related to Billings's water quality findings.
Explore water quality across Yellowstone
Frequently asked questions
Is Billings, TX tap water safe to drink?
Billings's water quality earned a grade of B- (74.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #491 out of 1067 cities tested in Texas.
What contaminants are in Billings's water?
Lead was measured at 0.0 ppb (90th percentile). 58 violations are on record.
How is Billings'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 Billings?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Billings's water come from?
Billings's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 790 residents.
How does Billings's water compare to other cities?
Billings ranks #491 out of 1067 cities in Texas (better than 54% of state cities) and #9722 out of 15744 cities nationally (38th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.