Water Quality in Maurepas, LA: 3 Violations - Grade C
Grade C · Score 66/100 · 4 water systems · Updated 2026-07-18
Maurepas's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
Compliance records maintained by the EPA for Maurepas, LA log 3 violations - accumulated reportable events drawn from every local utility in the SDWIS national tracking system.
Water Quality by ZIP Code in Maurepas
Maurepas is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 70449 | C | 66 | 3 | 1 | View report → |
Water Quality Overview
Maurepas, Louisiana receives a water quality grade of C with an overall score of 66 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Maurepas have accumulated 3 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP code serving approximately 3,005 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Maurepas'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
Lead testing data for Maurepas is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
Water Systems Serving Maurepas
Maurepas is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 3,005 people across 1 ZIP code.
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 9 enforcement actions against water systems serving Maurepas. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Maurepas
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 Maurepas Water Systems
The following contaminants have been detected or caused violations across Maurepas's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | N/A | 2 | 1 | Yes |
| Surface Water Treatment Rule | Treatment Technique | N/A | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 9 enforcement actions against water systems serving Maurepas. Recent actions:
| Date | Action Type |
|---|---|
| 2025-12-30 | State Informal Action |
| 2025-12-22 | State Order Extension |
| 2024-12-02 | State Order Extension |
| 2024-11-11 | State Order Extension |
| 2022-12-14 | State Order Extension |
| 2022-04-28 | State Informal Action |
| 2022-04-26 | State Order Extension |
| 2021-12-14 | State Order Extension |
| 2021-11-02 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-30.
Maurepas vs. Nearby Louisiana Cities
How Maurepas's water quality compares to similar cities in Louisiana:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Maurepas | C | 3 | 4 | 3,005 |
| Doyline | B | 13 | 7 | 3,020 |
| Gramercy | C | 4 | 1 | 2,931 |
| Woodworth | A | 0 | 1 | 2,929 |
Common Questions About Maurepas Water
These are the most common questions residents search for about water quality in Maurepas, Louisiana:
Is Maurepas water hard or soft? Water hardness varies by source. Maurepas's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Maurepas tap water? Maurepas's water receives a grade of C (66/100). There are 1 health-based violation - consider filtration.
What is the best water filter for Maurepas? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Maurepas vs. Louisiana Average
Understanding how Maurepas 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 Maurepas.
ZIP Codes in Maurepas
Maurepas spans 1 ZIP code. The ZIP with the lowest water quality score is 70449. 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.