COUNTY REPORT NE

Thomas County, Nebraska

3 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-03

EPA monitoring reports for Thomas County cover 3 ZIP codes and tell a largely reassuring story — compliance rates are high and health-based violations are far below the national norm.

How Thomas County Compares

Thomas County77/100
Nebraska avg65/100
National avg68/100

How Thomas County Compares

B
County Grade
77/100
Avg Safety Score
3
ZIP Codes
1
Water Systems

Thomas County scores 12 points above the Nebraska state average (65/100) and 9 points above the national average (68/100).

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

B
County Grade
77
Avg Safety Score
3
ZIP Codes
Best ZIP: 69166 (99/100)
Lowest ZIP: 69157 (66/100)
$83K
Median Home Value

Key Risk Factors

Health risk index: 13.9 (asthma 9.3%, diabetes 12.6%)

Estimated additional annual cost per homeowner: $827, driven primarily by energy_code_gap

Infrastructure: 0.425% avg pipe failure probability, 50% of ZIPs at high risk

71.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.3% (national: 8.9%)
Diabetes 12.6% (national: 10.5%)
Obesity 38.9% (national: 32.4%)

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

Infrastructure Overview

1960
Median Build Year
71.5%
Pre-1978 Housing
43%
Pipe Failure Probability
50%
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: $827

Energy Code Gap $360/yr
Water / Lead $267/yr
Wildfire $200/yr

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

Housing Age Distribution

429 housing units in Thomas County

Pre-1940 30%
1940–1959 21%
1960–1979 12%
1980–1999 22%
2000+ 14%

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

Health Outcomes vs National Average

CDC PLACES data for Thomas County residents

Asthma 9.3% (US avg: 8.9%)
Diabetes 12.6% (US avg: 11%)
Obesity 38.9% (US avg: 32.4%)

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

All ZIP Codes in Thomas County

3 ZIP codes tracked in Thomas County.

# ZIP Code City Safety Score Grade Violations Home Value
1 69166 Thedford 99 A 0 $107K
2 69135 Elsmere 66 C 0
3 69157 Purdum 66 C 0 $58K

Recommended Buyer Guides for Thomas County

Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Thomas County in Nebraska covers 3 ZIP codes with an average Home Safety Score of B (77/100).

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

← Back to Nebraska water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Thomas County?
Thomas County receives a grade of B, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Thomas County?
Thomas County is served by 1 public water system that supplies drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Thomas County?
The primary environmental risk factor in Thomas County is energy_code_gap. This contributes to an estimated additional annual cost of $827 per homeowner.
How old are homes in Thomas County?
The median home build year in Thomas County is 1960. 71.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Thomas County compare to Nebraska?
Thomas County has an average water safety score of 77/100, which is above the Nebraska state average of 65/100.

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