COUNTY REPORT IN

Spencer County, Indiana

11 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-03

Covering 11 ZIP codes, Spencer County falls in the average tier for tap water safety — violations appear in a meaningful share of areas, and the data suggests quality depends heavily on which specific part of the county a household sits in.

How Spencer County Compares

Spencer County68/100
Indiana avg60/100
National avg68/100

How Spencer County Compares

C
County Grade
68/100
Avg Safety Score
11
ZIP Codes
8
Water Systems

Spencer County scores 8 points above the Indiana state average (60/100) and 0 points above the national average (68/100).

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

C
County Grade
68
Avg Safety Score
11
ZIP Codes
Best ZIP: 47537 (81/100)
Lowest ZIP: 47556 (53/100)
$172K
Median Home Value
$864
Avg Remediation (50% of home value)

ZIP Code Risk Map

Water Quality Map: Spencer County, Indiana

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: 14.7 (asthma 10.9%, diabetes 13.4%)

Estimated additional annual cost per homeowner: $479, driven primarily by energy_code_gap

Infrastructure: 0.35% avg pipe failure probability, 22% of ZIPs at high risk

55.1% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.9% (national: 8.9%)
Diabetes 13.4% (national: 10.5%)
Obesity 39.9% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
55.1%
Pre-1978 Housing
35%
Pipe Failure Probability
22%
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: $479

Energy Code Gap $188/yr
Flood $182/yr
Water / Lead $109/yr

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

Housing Age Distribution

7,872 housing units in Spencer County

Pre-1940 10%
1940–1959 14%
1960–1979 28%
1980–1999 29%
2000+ 18%

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 Spencer County

$172K
Median Home Value
$864
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.9% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 39.9% (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 Spencer County ranked by EPA violation count.

# Water System Population Violations
1 Gentryville Water Utility 1,625 9
2 Finch Newton Water, Inc. 2,672 7
3 Chrisney Water Department 823 7
4 Dale Water Works 1,637 5
5 SANTA CLAUS WATER UTILITY 3,683 5

8 total water systems serve Spencer County.

All ZIP Codes in Spencer County

11 ZIP codes tracked in Spencer County.

# ZIP Code City Safety Score Grade Violations Home Value
1 47537 Gentryville 81 B 2 $214K
2 47579 Santa Claus 81 B 2 $249K
3 47523 Dale 80 B 3 $122K
4 47611 Chrisney 78 B 7 $172K
5 47615 Grandview 78 B 0 $168K
6 47635 Rockport 77 B 4 (1 health) $160K
7 47634 Richland 63 C 0 $141K
8 47536 Fulda 53 D 0
9 47550 Lamar 53 D 0 $190K
10 47552 Lincoln City 53 D 0 $177K
11 47556 Mariah Hill 53 D 0

Recommended Buyer Guides for Spencer County

Independent picks. EPA-grounded. Matched here.

Overview

Spencer County in Indiana covers 11 ZIP codes with an average Home Safety Score of C (68/100).

5 of 11 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to Indiana water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Spencer County?
Spencer County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Spencer County?
Spencer County is served by 8 public water systems that supply drinking water to residents across 11 ZIP codes.
What is the biggest environmental risk in Spencer County?
The primary environmental risk factor in Spencer County is energy_code_gap. This contributes to an estimated additional annual cost of $479 per homeowner.
How old are homes in Spencer County?
The median home build year in Spencer County is 1976. 55.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Spencer County compare to Indiana?
Spencer County has an average water safety score of 68/100, which is above the Indiana state average of 60/100.

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