COUNTY REPORT NE

Sioux County, Nebraska

1 ZIP code · Avg score 83/100 · Grade B · Updated 2026-06-03

Sioux County — 1 ZIP code, above-average safety grade.

How Sioux County Compares

Sioux County83/100
Nebraska avg65/100
National avg68/100

How Sioux County Compares

B
County Grade
83/100
Avg Safety Score
1
ZIP Codes
1
Water Systems

Sioux County scores 18 points above the Nebraska state average (65/100) and 15 points above the national average (68/100).

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

B
County Grade
83
Avg Safety Score
1
ZIP Codes
Only ZIP: 69346
$95K
Median Home Value
$400
Avg Remediation (42% of home value)

Key Risk Factors

Health risk index: 16.4 (asthma 9.4%, diabetes 16%)

Estimated additional annual cost per homeowner: $940, driven primarily by energy_code_gap

Infrastructure: 0.46% avg pipe failure probability, 100% of ZIPs at high risk

80% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.4% (national: 8.9%)
Diabetes 16% (national: 10.5%)
Obesity 42.6% (national: 32.4%)

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

Infrastructure Overview

1901
Median Build Year
80%
Pre-1978 Housing
46%
Pipe Failure Probability
100%
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: $940

Energy Code Gap $540/yr
Water / Lead $400/yr

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

Housing Age Distribution

374 housing units in Sioux County

Pre-1940 56%
1940–1959 11%
1960–1979 11%
1980–1999 15%
2000+ 7%

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 Sioux County

$95K
Median Home Value
$400
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.4% (US avg: 8.9%)
Diabetes 16% (US avg: 11%)
Obesity 42.6% (US avg: 32.4%)

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

All ZIP Codes in Sioux County

1 ZIP code tracked in Sioux County.

# ZIP Code City Safety Score Grade Violations Home Value
1 69346 Harrison 83 B 0 $95K

Recommended Buyer Guides for Sioux 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

Sioux County in Nebraska covers 1 ZIP code with an average Home Safety Score of B (83/100).

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

← Back to Nebraska water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Sioux County?
Sioux County receives a grade of B, indicating generally safe tap water across its 1 ZIP codes.
How many water systems serve Sioux County?
Sioux 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 Sioux County?
The primary environmental risk factor in Sioux County is energy_code_gap. This contributes to an estimated additional annual cost of $940 per homeowner.
How old are homes in Sioux County?
The median home build year in Sioux County is 1901. 80% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Sioux County compare to Nebraska?
Sioux County has an average water safety score of 83/100, which is above the Nebraska state average of 65/100.

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