East Baton Rouge County, Louisiana
46 ZIP codes · Avg score 88/100 · Grade A · Updated 2026-06-04
Within East Baton Rouge County, all 46 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How East Baton Rouge County Compares
How East Baton Rouge County Compares
East Baton Rouge County scores 17 points above the Louisiana state average (71/100) and 20 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: East Baton Rouge County, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.3 (asthma 10.3%, diabetes 13.9%)
Estimated additional annual cost per homeowner: $4,443, driven primarily by sea_level
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,443
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in East Baton Rouge County
Remediation costs are relatively manageable for most homeowners in East Baton Rouge 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 East Baton Rouge 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 East Baton Rouge County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Baker Water System | 13,855 | 7 |
| 2 | BATON ROUGE WATER COMPANY | 596,844 | 6 |
| 3 | Town of Slaughter Water System | 1,920 | 6 |
| 4 | J E S T C | 300 | 5 |
| 5 | Zachary Water System | 31,569 | 5 |
13 total water systems serve East Baton Rouge County.
All ZIP Codes in East Baton Rouge County
46 ZIP codes tracked in East Baton Rouge County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70803 | Baton Rouge | 99 | A | 0 | — |
| 2 | 70822 | Baton Rouge | 99 | A | 0 | — |
| 3 | 70823 | Baton Rouge | 99 | A | 0 | — |
| 4 | 70825 | Baton Rouge | 99 | A | 0 | — |
| 5 | 70826 | Baton Rouge | 99 | A | 0 | — |
| 6 | 70827 | Baton Rouge | 99 | A | 0 | — |
| 7 | 70831 | Baton Rouge | 99 | A | 0 | — |
| 8 | 70833 | Baton Rouge | 99 | A | 0 | — |
| 9 | 70835 | Baton Rouge | 99 | A | 0 | — |
| 10 | 70837 | Baton Rouge | 99 | A | 0 | — |
| 11 | 70873 | Baton Rouge | 99 | A | 0 | — |
| 12 | 70891 | Baton Rouge | 99 | A | 0 | — |
| 13 | 70894 | Baton Rouge | 99 | A | 0 | — |
| 14 | 70804 | Baton Rouge | 95 | A | 0 | — |
| 15 | 70813 | Baton Rouge | 95 | A | 0 | — |
| 16 | 70836 | Baton Rouge | 95 | A | 0 | — |
| 17 | 70874 | Baton Rouge | 95 | A | 0 | — |
| 18 | 70879 | Baton Rouge | 95 | A | 0 | — |
| 19 | 70884 | Baton Rouge | 95 | A | 0 | — |
| 20 | 70892 | Baton Rouge | 95 | A | 0 | — |
| 21 | 70893 | Baton Rouge | 95 | A | 0 | — |
| 22 | 70898 | Baton Rouge | 95 | A | 0 | — |
| 23 | 70704 | Baker | 91 | A | 1 (1 health) | — |
| 24 | 70801 | Baton Rouge | 90 | A | 0 | — |
| 25 | 70821 | Baton Rouge | 90 | A | 0 | — |
| 26 | 70895 | Baton Rouge | 90 | A | 0 | — |
| 27 | 70896 | Baton Rouge | 90 | A | 0 | — |
| 28 | 70806 | Baton Rouge | 85 | A | 0 | $321K |
| 29 | 70807 | Baton Rouge | 85 | A | 0 | $114K |
| 30 | 70802 | Baton Rouge | 80 | B | 0 | $105K |
| 31 | 70808 | Baton Rouge | 80 | B | 0 | $393K |
| 32 | 70810 | Baton Rouge | 80 | B | 0 | $353K |
| 33 | 70811 | Baton Rouge | 80 | B | 0 | $162K |
| 34 | 70812 | Baton Rouge | 80 | B | 0 | $124K |
| 35 | 70820 | Baton Rouge | 80 | B | 0 | $294K |
| 36 | 70791 | Zachary | 78 | B | 5 | $270K |
| 37 | 70777 | Slaughter | 75 | B | 1 | $225K |
| 38 | 70805 | Baton Rouge | 75 | B | 0 | $103K |
| 39 | 70809 | Baton Rouge | 75 | B | 0 | $306K |
| 40 | 70814 | Baton Rouge | 75 | B | 0 | $182K |
| 41 | 70815 | Baton Rouge | 75 | B | 0 | $213K |
| 42 | 70816 | Baton Rouge | 75 | B | 0 | $232K |
| 43 | 70817 | Baton Rouge | 75 | B | 0 | $288K |
| 44 | 70818 | Baton Rouge | 75 | B | 0 | $256K |
| 45 | 70819 | Baton Rouge | 75 | B | 0 | $168K |
| 46 | 70714 | Baker | 71 | B | 1 (1 health) | $159K |
Recommended Buyer Guides for East Baton Rouge 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 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 East Baton Rouge County, Louisiana
Overview
East Baton Rouge County in Louisiana covers 46 ZIP codes with an average Home Safety Score of A (88/100).
4 of 46 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.