Is De Leon, TX Tap Water Safe to Drink?
Graded F — but Chlorate was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
44/100
waterverge.com De Leon, TX — Water Quality Report
De Leon's drinking water received a grade of F (44 out of 100), indicating failing water quality. The city's 3 water systems serve approximately 3,353 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 138 violations on record, including 45 health-based violations. 66 remain unresolved.
What to know about De Leon's water
De Leon ranks #919 out of 1067 cities in Texas for water quality, placing it among the lowest-rated 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.
Hexavalent chromium (chromium-6) was detected at 0.12 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.
The system has seen 64 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is De Leon, TX water safe to drink?
De Leon's drinking water has significant quality concerns based on EPA testing data. With a grade of F (44/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 3,353 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for De Leon
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into De Leon's water quality assessment. Grade: F (44/100).
Contaminants: Public Notice.
Contaminants: Consumer Confidence Rule, Lead and Copper Rule.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-4416). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4272). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for De Leon's water supply.
Well within EPA limits.
Violation history
De Leon's water system has 138 total violations on record, including 45 health-based violations. 66 remain unresolved. 64 violations were issued in the last 5 years.
Flood & environmental risk
Comanche County has experienced 3 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 Leon Rv Nr De Leon, Sabana Rv Nr De Leon, Copperas Ck At Fm 2247 Nr Comanche, Proctor Lk Nr Proctor.
Where does De Leon's water come from?
De Leon's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 3,353 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Leon Rv Nr De Leon (river), Sabana Rv Nr De Leon (river), Copperas Ck At Fm 2247 Nr Comanche (river), Proctor Lk Nr Proctor (lake).
What De Leon residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in De Leon'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.
De Leon'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
Comanche County has experienced 3 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 De Leon compares by contaminant
Explore where De Leon ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where De Leon's water comes from
De Leon'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 3,353 people through 3 water systems.
Water bodies near De Leon
De Leon is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving De Leon
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF DE LEON | TX0470002 | 2,171 | SWP |
| COMANCHE COUNTY WSC BEATTIE | TX0470028 | 853 | SWP |
| COMANCHE COUNTY WSC SIPE SPRINGS | TX0470027 | 329 | SWP |
How De Leon compares
Full Texas rankings →De Leon's score of 44/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Texas rankings →About De Leon, TX
Learn more about your water
Guides and resources related to De Leon's water quality findings.
Explore water quality across Comanche
Frequently asked questions
Is De Leon, TX tap water safe to drink?
De Leon's water quality earned a grade of F (44/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #919 out of 1067 cities tested in Texas.
What contaminants are in De Leon's water?
Lead was measured at 0.0 ppb (90th percentile). 138 violations are on record.
How is De Leon'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 De Leon?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does De Leon's water come from?
De Leon's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 3,353 residents.
What health violations has De Leon's water system had?
De Leon has 45 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 66 violations remain unresolved.
How does De Leon's water compare to other cities?
De Leon ranks #919 out of 1067 cities in Texas (better than 14% of state cities) and #14471 out of 15744 cities nationally (8th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.