UST Check → counties → New York → Jefferson
Underground storage tanks & leak sites in Jefferson County, NY
Every figure below is from EPA UST Finder — the EPA-compiled national registry of state-reported underground storage tanks — county aggregates as published by EPA.
458registered tank facilities
313open tanks
1,328closed tanks
348leak incidents on record
20cleanups still open
20 leak cleanups in
Jefferson County are still open — the state has not closed the case.
An open cleanup near a property you're buying or lending on is a findable, checkable fact: it appears in a
per-address screen with distance and the registry record.
Largest registered facilities
By open-tank count, from the facility-level registry. Every fact is attributed to the EPA record (linked ID); something wrong — use the correction path in the footer and we'll fix or remove it promptly.
| Facility | City | Open / closed tanks | Status | EPA record |
|---|---|---|---|---|
| RYAN'S JET GAS, INC. | WATERTOWN (C) | 7 / 12 | Open UST(s) | NY41774 |
| THE GENERAL STORE OF WATERTOWN, INC. | WATERTOWN (C) | 6 / 6 | Open UST(s) | NY42330 |
| PHINN'S REDEMPTION & GAS | CLAYTON V | 6 / 5 | Open UST(s) | NY41364 |
| STEWART'S SHOPS #429 | PHILADELPHIA | 5 / 8 | Open UST(s) | NY41666 |
| 1000 ISLAND BAIT STORE | ALEXANDRIA BAY | 5 / 6 | Open UST(s) | NY42072 |
| CEROW MART | ALEXANDRIA BAY | 5 / 5 | Open UST(s) | NY41837 |
| 7-ELEVEN #40210 | WATERTOWN (C) | 5 / 3 | Open UST(s) | NY42510 |
| PEMM, LLC #9 | TOWN OF PAMELIA | 5 / 1 | Open UST(s) | NY42626 |
Open leak cleanups — most recently reported
| Site | City | Reported | Substance | EPA record |
|---|---|---|---|---|
| FORMER FASTRAC | WATERTOWN | 2002-09-18 | — | NY206328 |
| MORGANS STORE NAT BRIDGE | WILNA | 2001-07-25 | — | NY104422 |
| GIONETS GARAGE | ALEXANDRIA BAY | 1999-01-19 | — | NY9812885 |
| FRANK'S SERVICE STATION | CHAUMONT | 1998-12-17 | — | NY9811715 |
| SWAN BAY ESTATES MARINA | ALEXANDRIA BAY | 1998-12-02 | — | NY9811001 |
| 1000 ISLAND BAIT STORE | ALEXANDRIA BAY | 1998-11-17 | — | NY9810365 |
What this means if you're buying or lending here
- "Closed" ≠ clean. A closed tank was taken out of service per the registry — many were closed without soil testing, especially before the late 1990s.
- The registry is incomplete by design. Tanks removed before 1986 and most residential heating-oil tanks were never registered. A county with 458 registered facilities has an unknown number of unregistered ones.
- Open cleanups are the headline. 20 cases in this county are still open; contamination may still be under investigation or remediation — distance from a specific parcel is what matters, and that's a per-address question.
Screen a specific property
This page covers the county. A purchase or loan decision needs the registry around one address: registered tanks at the parcel, every facility within 500 and 1,500 ft, leak cleanups with status and distance — each line cited to the official record.
Screen an address — $49 How it worksThis is a screen of EPA-registered tank and leak records, not an environmental site assessment. State registries are incomplete by design: tanks removed before 1986 and most residential heating-oil tanks were never registered, so a clean screen cannot prove the absence of a tank. "Closed" means a tank was taken out of service per the registry — it does not certify that no contamination remains.
source: EPA UST Finder EPA data vintage 2024-12-04 computed 2026-06-12