Dallas, TX: 360 Violations — 94/100 (2026)
120 ZIP codes · 17 water systems · Updated 2026-06-03
How does Dallas tap water hold up under EPA scrutiny? Above average for TX — documented violations are uncommon and the safety grade reflects a clean overall record.
How Dallas Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Dallas, TX
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Dallas's 120 ZIP codes.
Key Facts for Dallas Residents
- Your city's water systems recorded 360 violations in the past 5 years.
- Average lead level: 0.0011 mg/L.
- Estimated remediation: $1,790 per household.
- CDC health risk index: 11.82.
Dallas's Water Providers
Water delivery in Dallas, TX is handled by 3 utilities rather than a single system — drawn from 17 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 120 ZIP codes in Dallas, Texas (population ~1,372,181), covering 17 community water systems serving approximately 2,491,738 people region-wide.
120 of 120 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Dallas: A (94/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Dallas water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 120 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 121 | 120 |
| Lead and Copper Rule | Treatment Technique | 121 | 120 |
| Consumer Confidence Report Rule | Reporting | 121 | 120 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 75201 | A | 3 | 0 | Dallas Water Utility |
| 75202 | A | 3 | 0 | Dallas Water Utility |
| 75203 | A | 3 | 0 | Dallas Water Utility |
| 75204 | A | 3 | 0 | Dallas Water Utility |
| 75205 | A | 3 | 0 | Dallas Water Utility |
| 75206 | A | 3 | 0 | Dallas Water Utility |
| 75207 | A | 3 | 0 | Dallas Water Utility |
| 75208 | A | 3 | 0 | Dallas Water Utility |
| 75209 | B | 3 | 0 | Dallas Water Utility |
| 75210 | A | 3 | 0 | Dallas Water Utility |
All ZIP Codes in Dallas
- 75201 [A] — 3 violations
- 75202 [A] — 3 violations
- 75203 [A] — 3 violations
- 75204 [A] — 3 violations
- 75205 [A] — 3 violations
- 75206 [A] — 3 violations
- 75207 [A] — 3 violations
- 75208 [A] — 3 violations
- 75209 [B] — 3 violations
- 75210 [A] — 3 violations
- 75211 [A] — 3 violations
- 75212 [A] — 3 violations
- 75214 [A] — 3 violations
- 75215 [B] — 3 violations
- 75216 [A] — 3 violations
- 75217 [A] — 3 violations
- 75218 [B] — 3 violations
- 75219 [A] — 3 violations
- 75220 [B] — 3 violations
- 75221 [A] — 3 violations
- 75222 [A] — 3 violations
- 75223 [A] — 3 violations
- 75224 [A] — 3 violations
- 75225 [A] — 3 violations
- 75226 [A] — 3 violations
- 75227 [A] — 3 violations
- 75228 [B] — 3 violations
- 75229 [B] — 3 violations
- 75230 [B] — 3 violations
- 75231 [A] — 3 violations
- 75232 [B] — 3 violations
- 75233 [A] — 3 violations
- 75234 [B] — 3 violations
- 75235 [A] — 3 violations
- 75236 [A] — 3 violations
- 75237 [A] — 3 violations
- 75238 [A] — 3 violations
- 75240 [A] — 3 violations
- 75241 [A] — 3 violations
- 75242 [A] — 3 violations
- 75243 [A] — 3 violations
- 75244 [A] — 3 violations
- 75245 [A] — 3 violations
- 75246 [A] — 3 violations
- 75247 [A] — 3 violations
- 75248 [A] — 3 violations
- 75249 [A] — 3 violations
- 75250 [A] — 3 violations
- 75251 [A] — 3 violations
- 75252 [B] — 3 violations
- 75253 [A] — 3 violations
- 75254 [A] — 3 violations
- 75258 [A] — 3 violations
- 75260 [A] — 3 violations
- 75261 [A] — 3 violations
- 75262 [A] — 3 violations
- 75263 [A] — 3 violations
- 75264 [A] — 3 violations
- 75265 [A] — 3 violations
- 75266 [A] — 3 violations
- 75267 [A] — 3 violations
- 75270 [A] — 3 violations
- 75275 [A] — 3 violations
- 75277 [A] — 3 violations
- 75283 [A] — 3 violations
- 75284 [A] — 3 violations
- 75285 [A] — 3 violations
- 75286 [A] — 3 violations
- 75287 [A] — 3 violations
- 75301 [A] — 3 violations
- 75303 [A] — 3 violations
- 75310 [A] — 3 violations
- 75312 [A] — 3 violations
- 75313 [A] — 3 violations
- 75315 [A] — 3 violations
- 75320 [A] — 3 violations
- 75323 [A] — 3 violations
- 75326 [A] — 3 violations
- 75334 [A] — 3 violations
- 75336 [A] — 3 violations
- 75339 [A] — 3 violations
- 75340 [A] — 3 violations
- 75342 [A] — 3 violations
- 75343 [A] — 3 violations
- 75344 [A] — 3 violations
- 75353 [A] — 3 violations
- 75354 [A] — 3 violations
- 75355 [A] — 3 violations
- 75356 [A] — 3 violations
- 75357 [A] — 3 violations
- 75358 [A] — 3 violations
- 75359 [A] — 3 violations
- 75360 [A] — 3 violations
- 75364 [A] — 3 violations
- 75367 [A] — 3 violations
- 75368 [A] — 3 violations
- 75370 [A] — 3 violations
- 75371 [A] — 3 violations
- 75372 [A] — 3 violations
- 75373 [A] — 3 violations
- 75374 [A] — 3 violations
- 75376 [A] — 3 violations
- 75378 [A] — 3 violations
- 75379 [A] — 3 violations
- 75380 [A] — 3 violations
- 75381 [A] — 3 violations
- 75382 [A] — 3 violations
- 75386 [A] — 3 violations
- 75387 [A] — 3 violations
- 75388 [A] — 3 violations
- 75389 [A] — 3 violations
- 75390 [A] — 3 violations
- 75391 [A] — 3 violations
- 75392 [A] — 3 violations
- 75393 [A] — 3 violations
- 75394 [A] — 3 violations
- 75395 [A] — 3 violations
- 75396 [A] — 3 violations
- 75397 [A] — 3 violations
- 75398 [A] — 3 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Dallas Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Dallas's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Dallas
Equity impact data for Dallas lands in the favorable tier — remediation claims a small slice of what properties here are worth.
Remediation costs in Dallas are relatively low compared to home values. The $1,195–$2,540 estimated range is a small fraction of median property value. Home values are 43% above the Texas average.
Dallas: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Dallas appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Dallas: Flood History & Water Damage Risk
FEMA data places 42% of Dallas's ZIP codes inside designated flood zones, and the NFIP claim record confirms the real-world impact: 1614 filed claims representing decades of documented flood events with consequences for property and, at sufficient severity, for local water infrastructure.
Dallas has a significant flood history with 1,614 FEMA flood insurance claims on record, averaging $18,495 per claim. With 42% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,790</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Dallas, TX