Coahoma County, Mississippi
14 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-04
Coahoma County maintains reliable drinking water quality across all 14 of its tracked ZIP codes.
How Coahoma County Compares
How Coahoma County Compares
Coahoma County scores 1 points below the Mississippi state average (81/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Coahoma County, Mississippi
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 18.1 (asthma 11.4%, diabetes 21.9%)
Estimated additional annual cost per homeowner: $951, driven primarily by flood
Infrastructure: 0.378% avg pipe failure probability, 27% of ZIPs at high risk
52.5% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Coahoma County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 20 violations. Past 5 years: 42 total (42 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $951
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
11,313 housing units in Coahoma 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 Coahoma County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Coahoma 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 Coahoma County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Moore Bayou Water Association | 438 | 40 |
| 2 | Water Association of Moon Lake | 739 | 40 |
| 3 | Clarksdale Public Utilities | 14,903 | 35 |
| 4 | Clarkdale Water Assn # 1 | 4,500 | 35 |
| 5 | Green Acres W/a-north | 237 | 35 |
23 total water systems serve Coahoma County.
All ZIP Codes in Coahoma County
14 ZIP codes tracked in Coahoma County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38625 | Dumas | 94 | A | 5 (1 health) | $153K |
| 2 | 38631 | Friars Point | 90 | A | 23 (2 health) | $73K |
| 3 | 38617 | Coahoma | 89 | A | 5 (1 health) | $65K |
| 4 | 38645 | Lyon | 89 | A | 11 (1 health) | $88K |
| 5 | 38720 | Alligator | 89 | A | 6 (1 health) | $63K |
| 6 | 38767 | Rena Lara | 89 | A | 8 (1 health) | — |
| 7 | 38644 | Lula | 88 | A | 5 (2 health) | $75K |
| 8 | 38639 | Jonestown | 84 | B | 6 | $57K |
| 9 | 38630 | Farrell | 73 | B | 0 | — |
| 10 | 38739 | Dublin | 73 | B | 0 | — |
| 11 | 38614 | Clarksdale | 68 | C | 24 (11 health) | $91K |
| 12 | 38609 | Belen | 66 | C | 0 | — |
| 13 | 38964 | Vance | 66 | C | 0 | — |
| 14 | 38626 | Dundee | 65 | C | 0 | $150K |
Recommended Buyer Guides for Coahoma County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 52.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Coahoma County, Mississippi
Overview
Coahoma County in Mississippi covers 14 ZIP codes with an average Home Safety Score of B (80/100).
9 of 14 ZIP codes have recorded EPA violations. 20 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.