Martin County, Indiana
6 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Safe water is the norm for most of Martin County's 6 ZIP codes — but a notable subset have documented violations that push the grade to the middle tier.
How Martin County Compares
How Martin County Compares
Martin County scores 2 points above the Indiana state average (60/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Martin County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.6 (asthma 11.5%, diabetes 14.5%)
Estimated additional annual cost per homeowner: $482, driven primarily by energy_code_gap
Infrastructure: 0.388% avg pipe failure probability, 40% of ZIPs at high risk
63.2% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $482
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,352 housing units in Martin County
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 Martin County
Remediation costs are relatively manageable for most homeowners in Martin 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 Martin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Martin County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Shoals Water Company | 1,296 | 24 |
| 2 | Crane Water Works | 293 | 22 |
| 3 | Loogootee Water Works | 2,800 | 16 |
| 4 | MONTGOMERY WATER WORKS | 900 | 16 |
| 5 | Alfordsville Water Utility | 510 | 16 |
7 total water systems serve Martin County.
All ZIP Codes in Martin County
6 ZIP codes tracked in Martin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47522 | Crane | 79 | B | 6 | — |
| 2 | 47581 | Shoals | 68 | C | 8 | $125K |
| 3 | 47553 | Loogootee | 65 | C | 16 | $197K |
| 4 | 47437 | Huron | 53 | D | 0 | — |
| 5 | 47453 | Owensburg | 53 | D | 0 | — |
| 6 | 47457 | Scotland | 53 | D | 0 | — |
Recommended Buyer Guides for Martin 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.
- Best Lead Paint Test Kits — 63.2% of homes built before 1978
Deep Dive Reports
Detailed analysis for Martin County, Indiana
Overview
Martin County in Indiana covers 6 ZIP codes with an average Home Safety Score of C (62/100).
3 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Indiana water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.