COUNTY REPORT LA

Iberia County, Louisiana

8 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03

For households in Iberia County, the 8 ZIP codes on record show consistently safe tap water.

How Iberia County Compares

Iberia County70/100
Louisiana avg71/100
National avg68/100

How Iberia County Compares

B
County Grade
70/100
Avg Safety Score
8
ZIP Codes
12
Water Systems

Iberia County scores 1 points below the Louisiana state average (71/100) and 2 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
70
Avg Safety Score
8
ZIP Codes
Best ZIP: 70552 (88/100)
Lowest ZIP: 70569 (52/100)
$127K
Median Home Value
$2,050
Avg Remediation (162% of home value)

ZIP Code Risk Map

Water Quality Map: Iberia 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: 16.3 (asthma 10.8%, diabetes 16.9%)

Estimated additional annual cost per homeowner: $4,958, driven primarily by sea_level

Infrastructure: 0.354% avg pipe failure probability, 43% of ZIPs at high risk

46.5% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

EPA violation counts by year across Iberia County water systems. Health-based shown in red, total in blue.

2021
1 (1 health)
2022
9 (9 health)
2023
1 (1 health)
2024
11 (11 health)
2025
4 (4 health)

Peak year: 2024 with 11 violations. Past 5 years: 26 total (26 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 16.9% (national: 10.5%)
Obesity 42.9% (national: 32.4%)

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

Infrastructure Overview

1986
Median Build Year
46.5%
Pre-1978 Housing
35%
Pipe Failure Probability
43%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $4,958

Sea Level Rise $3,000/yr
Flood $1,650/yr
Energy Code Gap $214/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

31,670 housing units in Iberia County

Pre-1940 7%
1940–1959 15%
1960–1979 24%
1980–1999 29%
2000+ 24%

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 Iberia County

$127K
Median Home Value
$2,050
Est. Remediation Cost
1.6%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Iberia 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 Iberia County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 16.9% (US avg: 11%)
Obesity 42.9% (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 Iberia County ranked by EPA violation count.

# Water System Population Violations
1 Iberia Water Works District 3 - Coteau 8,775 42
2 My Place Mobile Home Park Water System 111 42
3 New Iberia Water System (lawco) 59,928 37
4 City of Jeanerette Water System 6,189 35
5 Town of Delcambre Water System 2,457 17

12 total water systems serve Iberia County.

All ZIP Codes in Iberia County

8 ZIP codes tracked in Iberia County.

# ZIP Code City Safety Score Grade Violations Home Value
1 70552 Loreauville 88 A 2 (2 health) $145K
2 70544 Jeanerette 83 B 7 (2 health) $110K
3 70528 Delcambre 76 B 3 (2 health) $119K
4 70562 New Iberia 74 B 14 (3 health)
5 70563 New Iberia 64 C 14 (3 health) $191K
6 70519 Cade 60 C 0
7 70560 New Iberia 59 C 14 (3 health) $127K
8 70569 Lydia 52 D 0

Recommended Buyer Guides for Iberia County

Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Iberia County in Louisiana covers 8 ZIP codes with an average Home Safety Score of B (70/100).

6 of 8 ZIP codes have recorded EPA violations. 15 health-based violations have been documented.

← Back to Louisiana water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Iberia County?
Iberia County receives a grade of B, indicating generally safe tap water across its 8 ZIP codes.
How many water systems serve Iberia County?
Iberia County is served by 12 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Iberia County?
The primary environmental risk factor in Iberia County is sea_level. This contributes to an estimated additional annual cost of $4,958 per homeowner.
How old are homes in Iberia County?
The median home build year in Iberia County is 1986. 46.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Iberia County compare to Louisiana?
Iberia County has an average water safety score of 70/100, which is below the Louisiana state average of 71/100.

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