A90/100
Johnson Bayou Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,509 residents · Louisiana
What's In Johnson Bayou's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1999.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
CAMERON PARISH WW DISTRICT 10
Population Served
1,509
Water Source
Groundwater
System ID
LA1023005
Frequently Asked Questions About Johnson Bayou Water
Is Johnson Bayou tap water safe to drink?
Johnson Bayou, Louisiana tap water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Johnson Bayou's water?
1 contaminants were tested in Johnson Bayou's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Johnson Bayou have any water quality violations?
Yes, Johnson Bayou has 2 EPA violation(s) on record, with the most recent in 1999. Violation types include MCL. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Johnson Bayou?
Johnson Bayou water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Johnson Bayou's tap water come from?
Johnson Bayou's drinking water is sourced from groundwater and supplied by CAMERON PARISH WW DISTRICT 10. The system serves approximately 1,509 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Johnson Bayou's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Johnson Bayou's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Johnson Bayou's water compare to other cities in Louisiana?
Johnson Bayou's water quality score of 90/100 earns a grade of A, which is considered excellent. This places Johnson Bayou among the better-performing water systems in Louisiana. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Johnson Bayou's water quality?
If you have concerns about Johnson Bayou's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CAMERON PARISH WW DISTRICT 10) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.