COUNTY REPORT TX

Rockwall County, Texas

3 ZIP codes · Avg score 87/100 · Grade A · Updated

ZipCheckup grade for Rockwall County: A.

No federal data flags a major home-safety concern for this ZIP.

Covering 3 ZIP codes, Rockwall County earns a high grade for tap water - most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.

How Rockwall County Compares

Rockwall County87/100
Texas avg83/100
National avg73/100

How Rockwall County Compares

A
County Grade
87/100
Avg Safety Score
3
ZIP Codes
9
Water Systems

Rockwall County scores 4 points above the Texas state average (83/100) and 14 points above the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

A
County Grade
87
Avg Safety Score
3
ZIP Codes
Best ZIP: 75032 (90/100)
Lowest ZIP: 75087 (83/100)
$431K
Median Home Value
$2,000
Avg Remediation (46% of home value)

Key Risk Factors

Health risk index: 10.9 (asthma 9.7%, diabetes 9.4%)

Estimated additional annual cost per homeowner: $747, driven primarily by flood

18.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.7% (national: 8.9%)
Diabetes 9.4% (national: 10.5%)
Obesity 35.1% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

2006
Median Build Year
18.5%
Pre-1978 Housing
24/100
Infrastructure Stress Indicator
0%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $747

Flood $1,000/yr
Water Infrastructure $50/yr
Energy Code Gap $45/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

27,440 housing units in Rockwall County

Pre-1940 0%
1940–1959 1%
1960–1979 8%
1980–1999 30%
2000+ 61%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Rockwall County

$431K
Median Home Value
$2,000
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Rockwall County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Rockwall County residents

Asthma 9.7% (US avg: 8.9%)
Diabetes 9.4% (US avg: 11%)
Obesity 35.1% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Rockwall County

8 community water systems serving Rockwall County.

Show all 8 water systems

9 total water systems serve Rockwall County.

Systems with the most violations in Rockwall County

5 water systems with recorded EPA violations.

All ZIP Codes in Rockwall County

3 ZIP codes tracked in Rockwall County.

# ZIP Code City Safety Score Grade Violations Home Value
1 75032 Rockwall 90 A 24 (1 health) $462K
2 75087 Rockwall 83 B 38 (3 health) $400K
3 75132 Fate 1

Recommended Buyer Guides for Rockwall County

Independent picks. EPA-grounded. Matched here.

Overview

Rockwall County in Texas covers 3 tracked ZIP records with an average Home Safety Score of A (87/100) across 2 scored records.

3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Texas Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Rockwall County?
Rockwall County receives a grade of A, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Rockwall County?
Rockwall County is served by 9 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Rockwall County?
The primary environmental risk factor in Rockwall County is flood. This contributes to an estimated additional annual cost of $747 per homeowner.
How old are homes in Rockwall County?
The median home build year in Rockwall County is 2006. 18.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Rockwall County compare to Texas?
Rockwall County has an average Home Safety Score of 87/100 under model 4.0.0, which is above the Texas state average of 83/100.

How to cite this page

APA ZipCheckup. (2026). Rockwall County, TX: HSS 87/100; 3 Health Violations. https://zipcheckup.com/county/texas/rockwall/
BibTeX
@misc{zipcheckup-county-texas-rockwall,
  author = {{ZipCheckup}},
  title  = {{Rockwall County, TX: HSS 87/100; 3 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/texas/rockwall/}
}

Page version: August 2026.

Get safety alerts for Rockwall, Texas

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.