OYSTER BAY, NY · Nassau County
SPLIT ROCK WATER SUPPLY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 11, 2015. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Nassau County, NY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New York’s official records. Always confirm current status with New York before making decisions based on this information.
System facts
- System ID (PWSID)
- NY2910752
- System type
- Community Water System
- Population served
- 11
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
No violations on record for this system.
Enforcement actions
- August 26, 1980State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
- August 26, 1980State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
VONBARGEN, FRED
516-433-2055
OYSTER BAY, NY 11771