Grant County, Arkansas
5 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-03
Recent water monitoring in Grant County shows 5 ZIP codes with consistently safe results.
How Grant County Compares
How Grant County Compares
Grant County scores 6 points above the Arkansas state average (76/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Grant County, Arkansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 10%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $382, driven primarily by flood
Infrastructure: 0.31% avg pipe failure probability
49.8% 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: $382
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,786 housing units in Grant 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 Grant County
Remediation costs are relatively manageable for most homeowners in Grant 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 Grant 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 Grant County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Tull Water | 1,987 | 1 |
| 2 | PRATTSVILLE WATERWORKS | 1,341 | 1 |
| 3 | Sheridan Waterworks | 4,605 | 1 |
| 4 | South Sheridan Water Assoc | 3,887 | 1 |
| 5 | Center Grove Water Association | 3,858 | 1 |
13 total water systems serve Grant County.
All ZIP Codes in Grant County
5 ZIP codes tracked in Grant County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 72084 | Leola | 95 | A | 0 | $84K |
| 2 | 72150 | Sheridan | 90 | A | 1 | $177K |
| 3 | 72129 | Prattsville | 88 | A | 0 | $101K |
| 4 | 72128 | Poyen | 73 | B | 0 | $108K |
| 5 | 72105 | Jones Mill | 66 | C | 0 | — |
Recommended Buyer Guides for Grant County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- 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 Grant County, Arkansas
Overview
Grant County in Arkansas covers 5 ZIP codes with an average Home Safety Score of B (82/100).
1 of 5 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Arkansas 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.