LaSalle County, Louisiana
3 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-04
Covering 3 ZIP codes, LaSalle County earns a high grade for tap water — most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.
How LaSalle County Compares
How LaSalle County Compares
LaSalle County scores 9 points above the Louisiana state average (71/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 14.3 (asthma 9.7%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $2,250, driven primarily by flood
Infrastructure: 0.37% avg pipe failure probability, 33% of ZIPs at high risk
59% of homes built before 1978 (lead paint era)
Violation History (2021–2023)
→ Stable trendEPA violation counts by year across LaSalle County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 4 violations. Past 5 years: 6 total (6 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: $2,250
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,778 housing units in LaSalle 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 LaSalle County
Remediation costs are relatively manageable for most homeowners in LaSalle 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 LaSalle 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 LaSalle County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Town of Jena Water System | 3,614 | 2 |
| 2 | Lasalle Waterworks District 1 | 3,240 | 2 |
| 3 | Belah Fellowship Water System | 1,806 | 1 |
| 4 | Summerville Water System | 1,425 | 1 |
| 5 | East Jena Water System Inc. | 990 | 1 |
8 total water systems serve LaSalle County.
All ZIP Codes in LaSalle County
3 ZIP codes tracked in LaSalle County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 71480 | Urania | 87 | A | 0 | $104K |
| 2 | 71371 | Trout | 78 | B | 1 (1 health) | $172K |
| 3 | 71342 | Jena | 76 | B | 1 (1 health) | $154K |
Recommended Buyer Guides for LaSalle County
Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 59% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
LaSalle County in Louisiana covers 3 ZIP codes with an average Home Safety Score of B (80/100).
2 of 3 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.