COUNTY REPORT TX

Delta County, Texas

5 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-03

Spanning 5 ZIP codes, Delta County posts strong drinking water compliance — most systems have never triggered a health-based notice.

How Delta County Compares

Delta County82/100
Texas avg82/100
National avg68/100

How Delta County Compares

B
County Grade
82/100
Avg Safety Score
5
ZIP Codes
5
Water Systems

Delta County scores 0 points above the Texas state average (82/100) and 14 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
82
Avg Safety Score
5
ZIP Codes
Best ZIP: 75448 (99/100)
Lowest ZIP: 75469 (66/100)
$154K
Median Home Value
$600
Avg Remediation (39% of home value)

ZIP Code Risk Map

Water Quality Map: Delta County, Texas

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14.4 (asthma 10.6%, diabetes 13.7%)

Estimated additional annual cost per homeowner: $318, driven primarily by energy_code_gap

Infrastructure: 0.326% avg pipe failure probability

54.6% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

↓ Improving trend

EPA violation counts by year across Delta County water systems. Health-based shown in red, total in blue.

2021
1 (1 health)
2022
3 (3 health)
2023
2 (2 health)
2024
1 (1 health)

Peak year: 2022 with 3 violations. Past 5 years: 7 total (7 health-based). Health-based violations are declining versus the prior 2-year window.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.6% (national: 8.9%)
Diabetes 13.7% (national: 10.5%)
Obesity 37.1% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
54.6%
Pre-1978 Housing
33%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $318

Energy Code Gap $198/yr
Water / Lead $120/yr

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

Housing Age Distribution

2,088 housing units in Delta County

Pre-1940 9%
1940–1959 17%
1960–1979 25%
1980–1999 27%
2000+ 22%

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 Delta County

$154K
Median Home Value
$600
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Delta 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 Delta County residents

Asthma 10.6% (US avg: 8.9%)
Diabetes 13.7% (US avg: 11%)
Obesity 37.1% (US avg: 32.4%)

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

Water Systems with Most Violations

Top 5 systems in Delta County ranked by EPA violation count.

# Water System Population Violations
1 Delta County Municipal Utility District 2,778 9
2 West Delta Water Supply Corporation 1,563 9
3 Ben Franklin Water Supply Corporation 249 9
4 City of Cooper 2,135 7
5 North Hunt Special Utility District 4,836 7

All ZIP Codes in Delta County

5 ZIP codes tracked in Delta County.

# ZIP Code City Safety Score Grade Violations Home Value
1 75448 Klondike 99 A 0 $154K
2 75432 Cooper 94 A 7 (4 health) $137K
3 75415 Ben Franklin 86 A 2 $154K
4 75441 Enloe 66 C 0
5 75469 Pecan Gap 66 C 0 $254K

Recommended Buyer Guides for Delta County

While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.

Overview

Delta County in Texas covers 5 ZIP codes with an average Home Safety Score of B (82/100).

2 of 5 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Delta County?
Delta County receives a grade of B, indicating generally safe tap water across its 5 ZIP codes.
How many water systems serve Delta County?
Delta County is served by 5 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Delta County?
The primary environmental risk factor in Delta County is energy_code_gap. This contributes to an estimated additional annual cost of $318 per homeowner.
How old are homes in Delta County?
The median home build year in Delta County is 1985. 54.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Delta County compare to Texas?
Delta County has an average water safety score of 82/100, which is above the Texas state average of 82/100.

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