CITY WATER-SYSTEM LEDGER
Oyster Bay (T), New York
EPA’s September 2026 export lists 8 active community water systems serving Oyster Bay (T), New York, with 0 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Oyster Bay (T), New York
EPA associates 8 covered systems with Oyster Bay (T), New York; their reported population-served values total 276,900 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Jericho WdNY2902831 | 58,000 | Ground water | No current violation flagged |
| Hicksville WdNY2902829 | 48,000 | Ground water | No current violation flagged |
| South Farmingdale WdNY2902854 | 44,700 | Ground water | No current violation flagged |
| Massapequa WdNY2902837 | 43,000 | Ground water | No current violation flagged |
| Plainview WdNY2902845 | 34,000 | Ground water | No current violation flagged |
| Bethpage WdNY2902817 | 33,000 | Ground water | No current violation flagged |
| Oyster Bay WdNY2902844 | 8,700 | Ground water | No current violation flagged |
| Locust Valley WdNY2902833 | 7,500 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Oyster Bay (T), New York
EPA classifies 8 systems serving Oyster Bay (T), New York across 1 primary-source categories; Ground water is the largest category with 8 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.