ST JOHN WATER DISTRICT 1 Water Quality Report
Population
10,484
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 54%
of 49,184 US systems
5-Year Record
⚠️ 1
violation recorded
B
Good
Safety Grade
1 violation in the past 5 years, including 12 health-based
System Details
- PWSID
- LA1095003
- Population Served
- 10,484
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Louisiana
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 1 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 6 |
| Contaminant 0300 | ✕ Health-Based | 4 |
| Contaminant 0800 | ✕ Health-Based | 2 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
Violation History
2024
1
2019
2
2017
2
2015
8
2014
2
2009
1
2005
1
2004
1
2002
1
Total violations on record: 19
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs)
How does this compare?
This systemNational average
Grade B
Avg: B-C
19violations total
68% of national average
National avg: ~28 per system
📍 Average-sized water system.