Mer Rouge, LA 71261

2 water systems2,754 residents

Good water quality with few concerns

B

Score: 75/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

7

Contaminants Detected

55

Violations on Record

26

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count18 / 25
Violation History22 / 25
Contaminant Severity9 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score75%

75 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Mer Rouge vs LA & National Average

Detected Contaminants

7 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Lead and Copper RuleHeavy Metal
Coliform (TCR)Microorganism
ChlorineOther
Consumer Confidence RuleOther
Stage 2 Disinfectants and Disinfection Byproducts RuleOther

Water System Information

Systems Serving This ZIP:
BAYOU BONNE IDEE WS, MER ROUGE WATER SYSTEM
Population Served:
2,754
Systems With Violations:
2 of 2
Major Violations:
4
Enforcement Actions:
55

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.