COUNTY REPORT TX

Sterling County, Texas

1 ZIP code · Avg score 88/100 · Grade A · Updated 2026-06-03

Water utilities serving Sterling County's 1 ZIP code have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.

How Sterling County Compares

Sterling County88/100
Texas avg82/100
National avg68/100

How Sterling County Compares

A
County Grade
88/100
Avg Safety Score
1
ZIP Codes
1
Water Systems

Sterling County scores 6 points above the Texas state average (82/100) and 20 points above the national average (68/100).

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

A
County Grade
88
Avg Safety Score
1
ZIP Codes
Only ZIP: 76951
$143K
Median Home Value

Key Risk Factors

Health risk index: 11.2 (asthma 9.2%, diabetes 10.5%)

Estimated additional annual cost per homeowner: $720, driven primarily by wildfire

Infrastructure: 0.32% avg pipe failure probability

61% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.2% (national: 8.9%)
Diabetes 10.5% (national: 10.5%)
Obesity 33.2% (national: 32.4%)

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

Infrastructure Overview

1989
Median Build Year
61%
Pre-1978 Housing
32%
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: $720

Wildfire $300/yr
Energy Code Gap $270/yr
Water / Lead $150/yr

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

Housing Age Distribution

521 housing units in Sterling County

Pre-1940 7%
1940–1959 9%
1960–1979 34%
1980–1999 38%
2000+ 13%

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

Health Outcomes vs National Average

CDC PLACES data for Sterling County residents

Asthma 9.2% (US avg: 8.9%)
Diabetes 10.5% (US avg: 11%)
Obesity 33.2% (US avg: 32.4%)

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

All ZIP Codes in Sterling County

1 ZIP code tracked in Sterling County.

# ZIP Code City Safety Score Grade Violations Home Value
1 76951 Sterling City 88 A 0 $143K

Recommended Buyer Guides for Sterling County

Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Sterling County in Texas covers 1 ZIP code with an average Home Safety Score of A (88/100).

No EPA violations recorded across any tracked ZIP codes in Sterling County.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Sterling County?
Sterling County receives a grade of A, indicating generally safe tap water across its 1 ZIP codes.
How many water systems serve Sterling County?
Sterling County is served by 1 public water system that supplies drinking water to residents across 1 ZIP codes.
What is the biggest environmental risk in Sterling County?
The primary environmental risk factor in Sterling County is wildfire. This contributes to an estimated additional annual cost of $720 per homeowner.
How old are homes in Sterling County?
The median home build year in Sterling County is 1989. 61% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Sterling County compare to Texas?
Sterling County has an average water safety score of 88/100, which is above the Texas state average of 82/100.

Get safety alerts for Sterling, 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.