Monroe County, Arkansas
5 ZIP codes · Avg score 69/100 · Grade C · Updated 2026-06-03
Water systems across Monroe County's 5 ZIP codes produce average compliance results overall — pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.
How Monroe County Compares
How Monroe County Compares
Monroe County scores 7 points below the Arkansas state average (76/100) and 1 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Monroe County, Arkansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.9 (asthma 11%, diabetes 17.5%)
Estimated additional annual cost per homeowner: $1,624, driven primarily by flood
Infrastructure: 0.394% avg pipe failure probability, 40% of ZIPs at high risk
65.2% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Monroe County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 10 violations. Past 5 years: 17 total (17 health-based).
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: $1,624
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,889 housing units in Monroe 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 Monroe 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 Monroe 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 Monroe County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | HOLLY GROVE WATERWORKS | 1,557 | 55 |
| 2 | Grand Prairie Regional Water | 15,204 | 39 |
| 3 | Clarendon Waterworks | 1,320 | 31 |
| 4 | Brinkley Waterworks | 2,992 | 24 |
| 5 | East Monroe County Water Users | 730 | 24 |
8 total water systems serve Monroe County.
All ZIP Codes in Monroe County
5 ZIP codes tracked in Monroe County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 72021 | Brinkley | 89 | A | 16 (1 health) | $84K |
| 2 | 72069 | Holly Grove | 70 | B | 8 | $83K |
| 3 | 72026 | Casscoe | 66 | C | 0 | $117K |
| 4 | 72140 | Saint Charles | 65 | C | 0 | $116K |
| 5 | 72029 | Clarendon | 57 | C | 31 (20 health) | $73K |
Recommended Buyer Guides for Monroe County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 65.2% 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 Monroe County, Arkansas
Overview
Monroe County in Arkansas covers 5 ZIP codes with an average Home Safety Score of C (69/100).
3 of 5 ZIP codes have recorded EPA violations. 21 health-based violations have been documented.
← 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.