Beauregard County, Louisiana
6 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-04
Beauregard County earns a high water safety grade — 6 ZIP codes tracked, virtually all compliant.
How Beauregard County Compares
How Beauregard County Compares
Beauregard County scores 11 points above the Louisiana state average (71/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Beauregard County, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 10.3%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $4,810, driven primarily by sea_level
Infrastructure: 0.25% avg pipe failure probability
35.8% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Beauregard County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 2 violations. Past 5 years: 4 total (4 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: $4,810
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
17,224 housing units in Beauregard 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 Beauregard County
Remediation costs are relatively manageable for most homeowners in Beauregard 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 Beauregard 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 Beauregard County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Deridder Water System | 14,400 | 6 |
| 2 | Town of Merryville Water System | 1,107 | 5 |
| 3 | Beauregard Waterworks District No. 6 | 993 | 5 |
| 4 | Beauregard Water District #5 | 672 | 5 |
| 5 | Calcasieu Ww #14 Ward 5 | 3,150 | 2 |
9 total water systems serve Beauregard County.
All ZIP Codes in Beauregard County
6 ZIP codes tracked in Beauregard County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70652 | Longville | 95 | A | 0 | $190K |
| 2 | 70660 | Singer | 95 | A | 0 | $325K |
| 3 | 70661 | Starks | 89 | A | 2 | $84K |
| 4 | 70653 | Merryville | 84 | B | 5 (1 health) | $112K |
| 5 | 70634 | Deridder | 79 | B | 1 (1 health) | $166K |
| 6 | 70657 | Ragley | 47 | D | 0 | $178K |
Recommended Buyer Guides for Beauregard County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Beauregard County, Louisiana
Overview
Beauregard County in Louisiana covers 6 ZIP codes with an average Home Safety Score of B (82/100).
3 of 6 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← Back to Louisiana 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.