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PUBLIC WATER SYSTEM REPORT
Is DERING HARBOR WATER DISTRICT Water Safe to Drink in 2026?
New York · PWSID NY5103700 · Ground water
Population served
14
Cities served
SHELTER ISLAND (T)
State / jurisdiction
New York (NY)
PWSID
NY5103700
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
107 violation record(s) in the latest EPA SDWA quarterly snapshot
CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for DERING HARBOR WATER DISTRICT has not yet been published on WaterCheckup.
Are you the water operator for DERING HARBOR WATER DISTRICT? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact DERING HARBOR WATER DISTRICTdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 107 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on DERING HARBOR WATER DISTRICT's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR DERING HARBOR WATER DISTRICT
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR DERING HARBOR WATER DISTRICT · Chosen for DERING HARBOR WATER DISTRICT because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
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