Uniondale, New York: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 1 community water system serving 30+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Uniondale Tap Water Safe to Drink?
Uniondale currently has 1 active health-based violation across 1 of its 1 water system. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
Uniondale Water Quality Overview
Uniondale, New York is served by 1 community water system providing water to approximately 30 residents. The system draws from groundwater sources. 1 active health-based violation across Uniondale water systems require attention. Including monitoring and reporting violations, there are 33 total violations on record.
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All 1 water system in Uniondale
Looking for water quality data across the whole state? See our full New York tap water safety report covering New York’s EPA-regulated water systems.
Uniondale Drinking Water: Frequently Asked Questions
Is Uniondale, New York tap water safe to drink?
Uniondale currently has 1 active health-based violation across 1 of its 1 water system. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
How many water utilities serve Uniondale, New York?
1 community water system serves Uniondale, New York, providing water to approximately 30 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Uniondale 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 Uniondale drinking water?
EPA violation records for Uniondale 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 Uniondale?
Enter your Uniondale 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).