Duncanville, TX: 1 Violation - Home Safety 75/100
3 ZIP codes · 2 water systems · Updated
ZipCheckup grade for Duncanville: B.
This ZIP looks solid, with a few items worth a quick check.
Residents of Duncanville generally live with tap water that beats the TX safety average on key EPA compliance metrics.
How Duncanville Compares
Data: EPA SDWIS
What You Should Know About Duncanville Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 75% - older plumbing may contain lead solder.
- Estimated remediation: $1,400 per household.
- CDC health risk index: 11.84.
Who Supplies Your Water in Duncanville
2 independent water providers serve Duncanville, TX - 2 systems appear in federal records.
- B
- B
Overview
We track home safety data for 3 ZIP codes in Duncanville, Texas (population ~39,778), covering 2 community water systems serving approximately 90,317 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.
1 of 2 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Duncanville: B (75/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Duncanville water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status 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): 3 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 75137 | B | 1 | 0 | City of Duncanville |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 75116 | — | City of Duncanville | 39,413 |
All ZIP Codes in Duncanville
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Duncanville
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
Top Contaminants in Duncanville Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Duncanville
With 75% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Duncanville's housing stock carries a median build year of 1982. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Duncanville were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Duncanville Homeowners
Across Duncanville, the equity share taken up by estimated remediation is small - a favorable ratio for most property owners.
Remediation costs in Duncanville are relatively low compared to home values. The $933–$2,067 estimated range is a small fraction of median property value. Home values are 14% above the Texas average.
Lead Exposure Risk for Children in Duncanville
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.
Older stock in Duncanville represents 75% of the inventory, and citywide monitoring runs at or above the federal action level - making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Duncanville
Historical NFIP data for Duncanville contains 92 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $14,816. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$1,400</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Duncanville, TX