Water Quality in BAY ST LOUIS, MS (39520)
EPA violation data for public water systems serving ZIP code 39520.
36
Total Violations
22
Health-Based
14
Monitoring / Reporting
36
Resolved
What does this mean?
36 of 36 violations have been resolved. 22 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 14 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (36 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Dec 6, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Dec 6, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.083 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.083 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.083 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.083 | Sep 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(20)
Public Notice
75
Public Notice
75
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Public Notice
75
Public Notice
75
TTHM
02
TTHM
02
TTHM
02
TTHM
02
2023(8)
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
How Does This Compare?
BAY ST LOUIS (39520) has 36 recorded violations, including 22 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.