Is Lone Star, TX Tap Water Safe to Drink?
Graded B-, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
72/100
waterverge.com Lone Star, TX — Water Quality Report
Lone Star's drinking water received a grade of B- (72 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,400 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 22 violations on record, including 2 health-based violations. 14 remain unresolved.
What to know about Lone Star's water
Lone Star ranks #546 out of 1067 cities in Texas for water quality, placing it below average 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, Lone Star 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 Lone Star, TX water safe to drink?
Lone Star's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,400 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Lone Star
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Lone Star's water quality assessment. Grade: B- (72/100).
Contaminants: Lead and Copper Rule.
Contaminants: Public Notice.
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Lone Star's water supply.
Well within EPA limits.
Violation history
Lone Star's water system has 22 total violations on record, including 2 health-based violations. 14 remain unresolved. 7 violations were issued in the last 5 years.
Flood & environmental risk
Morris 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.
Where does Lone Star's water come from?
Lone Star's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,400 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Lone Star residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lone Star'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.
Lone Star'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 Lone Star
Industrial polluters nearby
Reported releases to surface water by facilities near Lone Star, ranked by pounds discharged annually.
Total reported releases to surface water: 5 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
SCOT INDUSTRIES LONE STAR, TX75668 | Lead | 5 | 3.9 mi |
ATLAS ROOFING CORP DAINGERFIELD, TX75638 | — | — | 7.1 mi |
LONE STAR SPECIALTY PRODUCTS LLC LONE STAR, TX75668 | — | — | 1.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtMorris County is currently in D3 (extreme 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
Morris 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 Lone Star compares by contaminant
Explore where Lone Star ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Lone Star's water comes from
Lone Star'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 local government ownership and serves approximately 1,400 people through 1 water system.
Water systems serving Lone Star
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF LONE STAR | TX1720005 | 1,400 | SWP |
How Lone Star compares
Full Texas rankings →Lone Star's score of 72/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Texas rankings →About Lone Star, TX
Learn more about your water
Guides and resources related to Lone Star's water quality findings.
Explore water quality across Morris
Frequently asked questions
Is Lone Star, TX tap water safe to drink?
Lone Star's water quality earned a grade of B- (72/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #546 out of 1067 cities tested in Texas.
What contaminants are in Lone Star's water?
Lead was measured at 0.0 ppb (90th percentile). 22 violations are on record.
How is Lone Star'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 Lone Star?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Lone Star's water come from?
Lone Star's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,400 residents.
What health violations has Lone Star's water system had?
Lone Star has 2 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
How does Lone Star's water compare to other cities?
Lone Star ranks #546 out of 1067 cities in Texas (better than 49% of state cities) and #10464 out of 15744 cities nationally (34th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Lone Star's small water system affect quality?
Lone Star's system serves approximately 1,400 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 22 violations on record.