Chickasaw County, Mississippi
6 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-04
Compared to top-scoring counties, Chickasaw County's 6 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Chickasaw County Compares
How Chickasaw County Compares
Chickasaw County scores 17 points below the Mississippi state average (81/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Chickasaw County, Mississippi
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.7 (asthma 10.4%, diabetes 18.4%)
Estimated additional annual cost per homeowner: $202, driven primarily by water_lead
Infrastructure: 0.352% avg pipe failure probability, 25% of ZIPs at high risk
57% 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: $202
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,851 housing units in Chickasaw 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 Chickasaw County
Remediation costs are relatively manageable for most homeowners in Chickasaw 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 Chickasaw 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 Chickasaw County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Town of New Houlka | 1,515 | 17 |
| 2 | City of Okolona | 2,800 | 17 |
| 3 | Thorn Water Association | 1,756 | 17 |
| 4 | Ccm, Inc. | 380 | 14 |
| 5 | Algoma Water Association | 6,879 | 10 |
21 total water systems serve Chickasaw County.
All ZIP Codes in Chickasaw County
6 ZIP codes tracked in Chickasaw County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38850 | Houlka | 81 | B | 10 (2 health) | $79K |
| 2 | 38851 | Houston | 71 | B | 7 | $119K |
| 3 | 38860 | Okolona | 71 | B | 7 | $101K |
| 4 | 38875 | Trebloc | 53 | D | 0 | — |
| 5 | 38877 | Van Vleet | 53 | D | 0 | — |
| 6 | 39776 | Woodland | 53 | D | 0 | $73K |
Recommended Buyer Guides for Chickasaw County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 57% of homes built before 1978
Deep Dive Reports
Detailed analysis for Chickasaw County, Mississippi
Overview
Chickasaw County in Mississippi covers 6 ZIP codes with an average Home Safety Score of C (64/100).
3 of 6 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← Back to Mississippi 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.