Water Quality in New Iberia, LA: 42 Violations — Grade C
Grade C · Score 58/100 · 2 water systems · Updated 2026-05-03
New Iberia's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
New Iberia, LA has 42 violations in the EPA compliance history — breakdown below.
Water Quality by ZIP Code in New Iberia
Water quality varies across New Iberia's 3 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 70560 | C | 59 | 14 | 3 | View report → |
| 70563 | C | 64 | 14 | 3 | View report → |
| 70562 | B | 74 | 14 | 3 | View report → |
Violation Trend
EPA violations recorded for water systems serving New Iberia.
Water Quality Overview
New Iberia, Louisiana receives a water quality grade of C with an overall score of 58 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving New Iberia have accumulated 42 EPA violations, including 9 health-based violations. These violations are tracked across 3 ZIP codes serving approximately 8,886 people.
What Grade C Means
A grade of C indicates moderate compliance issues. New Iberia's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across New Iberia water systems is 0.0080 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 55% of homes built before 1986, New Iberia has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
New Iberia is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving New Iberia
New Iberia is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 8,886 people across 3 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 30 enforcement actions against water systems serving New Iberia. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in New Iberia
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in New Iberia Water Systems
The following contaminants have been detected or caused violations across New Iberia's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | N/A | 15 | 3 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 12 | 3 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 6 | 3 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving New Iberia:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2022 | 6 | 6 |
| 2025 | 3 | 3 |
Violations have decreased from 6 in 2022 to 3 in 2025, indicating improving compliance.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving New Iberia. Recent actions:
| Date | Action Type |
|---|---|
| 2025-03-19 | EPA Formal Action |
| 2025-03-14 | State Informal Action |
| 2025-03-14 | State Informal Enforcement |
| 2024-12-06 | State Informal Action |
| 2024-11-18 | State Informal Action |
| 2024-11-18 | State Informal Enforcement |
| 2024-07-23 | State Informal Action |
| 2024-06-13 | State Order Extension |
| 2024-06-03 | State Informal Action |
| 2024-05-13 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-03-19.
New Iberia vs. Nearby Louisiana Cities
How New Iberia's water quality compares to similar cities in Louisiana:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| New Iberia | C | 42 | 2 | 8,886 |
| Columbia | C | 7 | 4 | 8,787 |
| Lydia | D | 0 | 1 | 8,775 |
| Saint Martinville | D | 0 | 1 | 8,754 |
Water Quality by ZIP Code in New Iberia
Water quality varies across New Iberia's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
Common Questions About New Iberia Water
These are the most common questions residents search for about water quality in New Iberia, Louisiana:
Is New Iberia water hard or soft? Water hardness varies by source. New Iberia's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink New Iberia tap water? New Iberia's water receives a grade of C (58/100). There are 9 health-based violations — consider filtration.
What is the best water filter for New Iberia? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
New Iberia vs. Louisiana Average
Understanding how New Iberia compares to the broader Louisiana average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within New Iberia.
ZIP Codes in New Iberia
New Iberia spans 3 ZIP codes. The ZIP with the lowest water quality score is 70560. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.