Ouachita County, Arkansas
6 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-04
Compared to state averages, Ouachita County scores well — its 6 ZIP codes sit above the baseline for tap water quality.
How Ouachita County Compares
How Ouachita County Compares
Ouachita 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: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Ouachita County, Arkansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.8 (asthma 11%, diabetes 17.7%)
Estimated additional annual cost per homeowner: $662, driven primarily by flood
Infrastructure: 0.392% avg pipe failure probability, 33% of ZIPs at high risk
64.2% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Ouachita County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 27 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: $662
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,612 housing units in Ouachita 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 Ouachita 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 Ouachita 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 Ouachita County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Hwy 4 24 Water Association | 2,135 | 24 |
| 2 | Wire Road Water System | 830 | 24 |
| 3 | Camden Waterworks | 13,275 | 22 |
| 4 | Harmony Grove Water Assoc | 2,192 | 22 |
| 5 | Locust Bayou Water Association | 531 | 22 |
18 total water systems serve Ouachita County.
All ZIP Codes in Ouachita County
6 ZIP codes tracked in Ouachita County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 71726 | Chidester | 88 | A | 0 | $76K |
| 2 | 71764 | Stephens | 87 | A | 2 | $63K |
| 3 | 71763 | Sparkman | 86 | A | 2 | $79K |
| 4 | 71711 | Camden | 85 | A | 11 (8 health) | — |
| 5 | 71701 | Camden | 74 | B | 11 (8 health) | $107K |
| 6 | 71720 | Bearden | 70 | B | 0 | $95K |
Recommended Buyer Guides for Ouachita County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 64.2% 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 Ouachita County, Arkansas
Overview
Ouachita County in Arkansas covers 6 ZIP codes with an average Home Safety Score of B (82/100).
4 of 6 ZIP codes have recorded EPA violations. 16 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.