D
39

Poor Water Quality

Dallas, TX 75209

Dallas County · Population served: 1,365,516 · Data updated March 2026

Water Systems Serving This Area

🏔
DALLAS WATER UTILITY
Surface water · Pop. 1,356,479
PWSID: TX0570004
🏔
TOWN OF HIGHLAND PARK
Surface water · Pop. 8,959
PWSID: TX0570049
🌊
LONE OAK CABINS
Groundwater · Pop. 78
PWSID: TX0720061

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
21.0
15 ppb 1 ppb Exceeded

PFAS / Forever Chemicals

13 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA18.2 pptNo standardUnregulated
PFHxA17.9 pptNo standard400 pptUnregulated
PFHxA15.6 pptNo standard400 pptUnregulated
PFBA13.2 pptNo standard500 pptUnregulated
PFPeA12.5 pptNo standardUnregulated
PFBS7.6 ppt2000 ppt100 pptBelow limit
PFBA7.1 pptNo standard500 pptUnregulated
PFOA6.3 ppt4 ppt4 pptExceeded

Violation History (Last 5 Years)

22Total (5yr)
4Health-Based
2Major

Water Quality Summary

Understanding Your Water in Dallas

Tap water quality in Dallas, Texas (75209) receives an overall grade of D (Poor) with a score of 39 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 30 points below the Texas state average of 68. Compared to the national average (75), this area scores significantly lower. The area is served by 3 water systems providing water to approximately 1,365,516 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 22 violations, including 4 health-based violations.

Your Score 39/100 D
vs State 30 pts below Texas avg (68)
vs National 36 pts below national avg (75)

What a Grade D Means

A score of 39/100 signals poor water quality in Dallas, TX. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Dallas, Texas receives a grade of D (Poor) with a score of 39/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 75209 is served by 3 water systems using surface water, groundwater sources, providing water to approximately 1,365,516 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Yes — lead levels in Dallas, Texas are 21.0 ppb, which exceeds the EPA action level of 15 ppb. This is a serious concern. We strongly recommend using a certified lead-removal filter for all drinking and cooking water, and having your water independently tested.

Yes — 13 PFAS compounds were detected in water serving Dallas, Texas, and 2 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Dallas, Texas have received 22 violations in the last 5 years, including 4 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Dallas, Texas should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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