COUNTY REPORT TX

Crosby County, Texas

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

Crosby County maintains reliable drinking water quality across all 3 of its tracked ZIP codes.

How Crosby County Compares

Crosby County82/100
Texas avg82/100
National avg68/100

How Crosby County Compares

B
County Grade
82/100
Avg Safety Score
3
ZIP Codes
4
Water Systems

Crosby 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
3
ZIP Codes
Best ZIP: 79343 (83/100)
Lowest ZIP: 79357 (81/100)
$70K
Median Home Value
$600
Avg Remediation (86% of home value)

Key Risk Factors

Health risk index: 14.8 (asthma 9.7%, diabetes 17.1%)

Estimated additional annual cost per homeowner: $1,307, driven primarily by energy_code_gap

Infrastructure: 0.433% avg pipe failure probability, 67% of ZIPs at high risk

83.3% of homes built before 1978 (lead paint era)

Violation History (2023–2024)

→ Stable trend

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

2023
2 (2 health)
2024
2 (2 health)

Peak year: 2023 with 2 violations. Past 5 years: 4 total (4 health-based).

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

County Health Indicators vs National Average

Asthma 9.7% (national: 8.9%)
Diabetes 17.1% (national: 10.5%)
Obesity 40.5% (national: 32.4%)

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

Infrastructure Overview

1966
Median Build Year
83.3%
Pre-1978 Housing
43%
Pipe Failure Probability
67%
ZIPs at High Infra Risk
High
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: $1,307

Energy Code Gap $540/yr
Water / Lead $467/yr
Wildfire $300/yr

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

Housing Age Distribution

2,447 housing units in Crosby County

Pre-1940 7%
1940–1959 36%
1960–1979 37%
1980–1999 14%
2000+ 6%

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 Crosby County

$70K
Median Home Value
$600
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.7% (US avg: 8.9%)
Diabetes 17.1% (US avg: 11%)
Obesity 40.5% (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 4 systems in Crosby County ranked by EPA violation count.

# Water System Population Violations
1 White River Mwd 560 9
2 City of Crosbyton 1,741 9
3 City of Ralls 1,639 7
4 City of Lorenzo 957 1

All ZIP Codes in Crosby County

3 ZIP codes tracked in Crosby County.

# ZIP Code City Safety Score Grade Violations Home Value
1 79343 Lorenzo 83 B 1 $123K
2 79322 Crosbyton 82 B 9 (1 health) $67K
3 79357 Ralls 81 B 7 (2 health) $70K

Recommended Buyer Guides for Crosby County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Crosby County in Texas covers 3 ZIP codes with an average Home Safety Score of B (82/100).

3 of 3 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Crosby County?
Crosby County receives a grade of B, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Crosby County?
Crosby County is served by 4 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Crosby County?
The primary environmental risk factor in Crosby County is energy_code_gap. This contributes to an estimated additional annual cost of $1,307 per homeowner.
How old are homes in Crosby County?
The median home build year in Crosby County is 1966. 83.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Crosby County compare to Texas?
Crosby County has an average water safety score of 82/100, which is above the Texas state average of 82/100.

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