Clark County, Arkansas
12 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Water utilities serving Clark County's 12 ZIP codes have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.
How Clark County Compares
How Clark County Compares
Clark County scores 2 points above the Arkansas state average (76/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clark County, Arkansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.4 (asthma 10.8%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $369, driven primarily by flood
Infrastructure: 0.3% avg pipe failure probability
57% of homes built before 1978 (lead paint era)
Violation History (2021–2023)
→ Stable trendEPA violation counts by year across Clark County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 4 violations. Past 5 years: 5 total (5 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: $369
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
13,491 housing units in Clark 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 Clark County
Remediation costs are relatively manageable for most homeowners in Clark 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 Clark 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 Clark County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Clark County Country Water Facilities | 2,403 | 11 |
| 2 | ALPINE WATER ASSOCIATION | 750 | 7 |
| 3 | Kimzey Regional Water District | 12,718 | 7 |
| 4 | Okolona Waterworks | 562 | 7 |
| 5 | Arkadelphia Waterworks | 11,855 | 6 |
14 total water systems serve Clark County.
All ZIP Codes in Clark County
12 ZIP codes tracked in Clark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 71998 | Arkadelphia | 98 | A | 2 | — |
| 2 | 71999 | Arkadelphia | 98 | A | 2 | — |
| 3 | 71923 | Arkadelphia | 89 | A | 2 | $165K |
| 4 | 71962 | Okolona | 88 | A | 1 | $110K |
| 5 | 71921 | Amity | 87 | A | 4 (1 health) | $97K |
| 6 | 71743 | Gurdon | 75 | B | 0 | $122K |
| 7 | 71721 | Beirne | 66 | C | 0 | — |
| 8 | 71728 | Curtis | 66 | C | 0 | — |
| 9 | 71772 | Whelen Springs | 66 | C | 0 | $99K |
| 10 | 71920 | Alpine | 66 | C | 0 | — |
| 11 | 71929 | Bismarck | 66 | C | 0 | $196K |
| 12 | 71933 | Bonnerdale | 66 | C | 0 | $123K |
Recommended Buyer Guides for Clark County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 57% of homes built before 1978
- 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 Clark County, Arkansas
Overview
Clark County in Arkansas covers 12 ZIP codes with an average Home Safety Score of B (78/100).
5 of 12 ZIP codes have recorded EPA violations. 1 health-based violation 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.