Ulster County contains 292 EPA-regulated facilities, 19 of which are currently flagged for significant noncompliance. The county also hosts 2 Superfund sites and 3 TRI chemical reporters. EPA has assessed $5.4M in lifetime penalties and TRI reporters disclosed roughly 2 lb of on-site releases. That facility count is well above the New York state average of 97 per county.
| Site | City | Status |
|---|---|---|
| Hertel Landfill | Plattekill | Ready for anticipated reuse |
| Mohonk Road Industrial Plant | High Falls | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Jbt Wolf-Tec | Kingston | 2 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Ellenville Residential Treatment Program | Ellenville | $11.7k | |
| First Student, Inc. #12721 | Ashokan | $4.0k | |
| Jeff's Yacht Haven | Esopus | $3.7k | |
| Mirror Lake Trailer Park-Chlorination | West Park | $0 | |
| Napanoch Sewer Imp Area | Napanoch | $0 | 2025-01-03 |
| Napanoch Mine | Napanoch | $0 | |
| Gardiner Sd#1 Stp | Gardiner | $0 | 2026-01-23 |
| Rosendale Plains Homeowners Water System | Tilson | $0 | 2025-03-04 |
| Highland Sewer Extension #1 | Highland | $0 | 2025-01-16 |
| Rosendale Ms4 Storm Sewers | Rosendale | $0 | |
| Treeline Trailer Park-Groundwater | Highland | $0 | 2007-11-07 |
| Greenfield Resort (Former Tamarack Lodge) | Wawarsing | $0 | 2025-06-26 |
| Ulster Ms4 Storm Sewers | Lake Katrine | $0 | |
| Hidden Forest Estates | Accord | $0 | 2020-10-29 |
| Tech City | Kingston | $0 | 2001-12-13 |
| New Paltz Ms4 Stormsewers | New Paltz | $0 | |
| Camp Rev Tov Cherrytown | Rochester, Town Of | $0 | |
| Deerhaven Mobile Home Park-Chlorination 1 | Highland | $0 | 2007-11-07 |
| New Paltz Wwtp | New Paltz | $0 | 2025-06-13 |