COUNTY REPORT LA

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

East Baton Rouge County88/100
Louisiana avg71/100
National avg68/100

How East Baton Rouge County Compares

A
County Grade
88/100
Avg Safety Score
46
ZIP Codes
13
Water Systems

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

A
County Grade
88
Avg Safety Score
46
ZIP Codes
Best ZIP: 70803 (99/100)
Lowest ZIP: 70714 (71/100)
$225K
Median Home Value
$1,815
Avg Remediation (81% of home value)

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.

A B C D F

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

Asthma 10.3% (national: 8.9%)
Diabetes 13.9% (national: 10.5%)
Obesity 35.3% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $4,443

Sea Level Rise $3,000/yr
Flood $1,235/yr
Energy Code Gap $176/yr

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

$225K
Median Home Value
$1,815
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.3% (US avg: 8.9%)
Diabetes 13.9% (US avg: 11%)
Obesity 35.3% (US avg: 32.4%)

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.

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

Updated daily.

Frequently Asked Questions

Is water safe in East Baton Rouge County?
East Baton Rouge County receives a grade of A, indicating generally safe tap water across its 46 ZIP codes.
How many water systems serve East Baton Rouge County?
East Baton Rouge County is served by 13 public water systems that supply drinking water to residents across 46 ZIP codes.
What is the biggest environmental risk in East Baton Rouge County?
The primary environmental risk factor in East Baton Rouge County is sea_level. This contributes to an estimated additional annual cost of $4,443 per homeowner.
How does East Baton Rouge County compare to Louisiana?
East Baton Rouge County has an average water safety score of 88/100, which is above the Louisiana state average of 71/100.

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