Lawrence County, Arkansas
11 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03
Across Lawrence County's 11 ZIP codes, EPA compliance data shows above-average performance — violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.
How Lawrence County Compares
How Lawrence County Compares
Lawrence County scores 5 points above the Arkansas state average (76/100) and 13 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Lawrence County, Arkansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.3 (asthma 10.7%, diabetes 14.2%)
Estimated additional annual cost per homeowner: $439, driven primarily by energy_code_gap
Infrastructure: 0.328% avg pipe failure probability, 20% of ZIPs at high risk
59% 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: $439
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,961 housing units in Lawrence 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 Lawrence County
Remediation costs are relatively manageable for most homeowners in Lawrence 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 Lawrence 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 Lawrence County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | WALNUT RIDGE WATERWORKS | 5,823 | 6 |
| 2 | Lawrence Company Reg Water District | 7,469 | 6 |
| 3 | Hoxie Water Department | 2,666 | 6 |
| 4 | Portia Waterworks | 586 | 6 |
| 5 | Neapwa | 25 | 6 |
16 total water systems serve Lawrence County.
All ZIP Codes in Lawrence County
11 ZIP codes tracked in Lawrence County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 72440 | Lynn | 88 | A | 0 | $91K |
| 2 | 72457 | Portia | 88 | A | 0 | $102K |
| 3 | 72465 | Sedgwick | 88 | A | 0 | — |
| 4 | 72469 | Strawberry | 88 | A | 0 | $139K |
| 5 | 72415 | Black Rock | 87 | A | 0 | $92K |
| 6 | 72433 | Hoxie | 86 | A | 4 (1 health) | $84K |
| 7 | 72476 | Walnut Ridge | 86 | A | 2 | $92K |
| 8 | 72412 | Beech Grove | 73 | B | 0 | $119K |
| 9 | 72458 | Powhatan | 73 | B | 0 | $86K |
| 10 | 72445 | Minturn | 66 | C | 0 | $242K |
| 11 | 72466 | Smithville | 66 | C | 0 | $123K |
Recommended Buyer Guides for Lawrence County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 59% of homes built before 1978
Deep Dive Reports
Detailed analysis for Lawrence County, Arkansas
Overview
Lawrence County in Arkansas covers 11 ZIP codes with an average Home Safety Score of B (81/100).
2 of 11 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.