Mandeville, Louisiana: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 45 community water systems serving 68,434+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Mandeville Tap Water Safe to Drink?
Mandeville currently has 11 active health-based violations across 5 of its 45 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
Mandeville Water Quality Overview
Mandeville, Louisiana is served by 45 community water systems providing water to approximately 68,434 residents. These systems draw from groundwater (43), groundwater purchased (2) sources. 11 active health-based violations across Mandeville water systems require attention. Including monitoring and reporting violations, there are 583 total violations on record.
Find Your Water System
Search by ZIP code to find your exact water provider and see its full EPA report.
All 45 water systems in Mandeville
Looking for water quality data across the whole state? See our full Louisiana tap water safety report covering Louisiana’s EPA-regulated water systems.
Mandeville Drinking Water: Frequently Asked Questions
Is Mandeville, Louisiana tap water safe to drink?
Mandeville currently has 11 active health-based violations across 5 of its 45 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
How many water utilities serve Mandeville, Louisiana?
45 community water systems serve Mandeville, Louisiana, providing water to approximately 68,434 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Mandeville tap water have lead?
Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.
What contaminants have been found in Mandeville drinking water?
EPA violation records for Mandeville water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.
How do I find out which water company serves my address in Mandeville?
Enter your Mandeville ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).