Water Quality in Port Sulphur, LA: No Violations - Grade F
Grade F · Score 37/100 · 3 water systems · Updated 2026-07-18
Port Sulphur's water has serious compliance issues. Independent testing and filtration are strongly recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
For households in Port Sulphur, LA, the EPA compliance record offers a straightforward finding: 3 water systems are on file, zero violations documented across the entire dataset, and no regulatory actions have been taken against any local utility under the federal Safe Drinking Water Act in any reporting period covered by available SDWIS data.
Water Quality by ZIP Code in Port Sulphur
Port Sulphur 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 | |
|---|---|---|---|---|---|
| 70083 | F | 37 | 0 | 0 | View report → |
Violation Trend
EPA violations recorded for water systems serving Port Sulphur.
Water Quality Overview
Port Sulphur, Louisiana receives a water quality grade of F with an overall score of 37 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 3 water systems serving Port Sulphur. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.
What Grade F Means
A grade of F indicates serious compliance issues. Port Sulphur's water systems have substantial violations. Residents should strongly consider independent water testing and appropriate filtration.
Lead Levels
Lead testing data for Port Sulphur is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
Radon Risk
Port Sulphur 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 Port Sulphur
Port Sulphur is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,456 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 10 enforcement actions against water systems serving Port Sulphur. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Port Sulphur
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
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Port Sulphur:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2023 | 5 | 5 |
| 2024 | 5 | 5 |
| 2025 | 5 | 5 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Port Sulphur. Recent actions:
| Date | Action Type |
|---|---|
| 2025-12-15 | State Informal Action |
| 2025-12-15 | State Informal Enforcement |
| 2025-12-08 | State Informal Action |
| 2025-11-19 | State Informal Action |
| 2025-11-12 | State Informal Action |
| 2025-11-10 | State Informal Action |
| 2025-11-06 | State Informal Action |
| 2025-11-05 | State Informal Action |
| 2025-10-16 | State Informal Action |
| 2025-10-16 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-15.
Port Sulphur vs. Nearby Louisiana Cities
How Port Sulphur's water quality compares to similar cities in Louisiana:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Port Sulphur | F | 0 | 3 | 2,456 |
| Robert | D | 0 | 2 | 2,456 |
| Campti | D | 16 | 3 | 2,467 |
| Mooringsport | B | 3 | 3 | 2,496 |
Common Questions About Port Sulphur Water
These are the most common questions residents search for about water quality in Port Sulphur, Louisiana:
Is Port Sulphur water hard or soft? Water hardness varies by source. Port Sulphur's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Port Sulphur tap water? Port Sulphur's water receives a grade of F (37/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Port Sulphur? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Port Sulphur vs. Louisiana Average
Understanding how Port Sulphur 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 Port Sulphur.
ZIP Codes in Port Sulphur
Port Sulphur spans 1 ZIP code. 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.