Swim Advisory In Effect
Public Notice
June 24, 2026
Environmental Protection Department

Water sample testing at 16 Seneca Nation recreational waterway sites began the week after Memorial Day and will take place weekly until Labor Day. The water samples are analyzed for elevated contaminants that may pose a threat to human health.
Results from the samples collected on 6/22/2026 indicate that the bacteria levels were above the recommended limits for recreational use at the FOLLOWING listed waterway locations:
ALLEGANY TERRITORY
- Vandalia Bridge
- Junction Boat Launch
- Main St. Bridge
- Highbanks
- Hillview
CATTARAUGUS TERRITORY
- Pinewoods Beach
- Aldrich St. Ext.
- Newtown Beach
- North Branch of Clear Creek (Taylor Hollow)
- Castile Creek (Burning Springs Rd)
- Thruway Bridge
- Cattaraugus Creek Harbor
NO ADVISORIES for: Allegany-Indian Park, Twin Ponds, Bear Claw, or the Cattaraugus-Nation Beach.
**It is advised that the public wait 3 days before swimming in affected waters after an advisory is issued or after any major rain event. It is recommended that you do not ingest or submerge yourself in the above-listed waters at this time.**
Testing of these 16 sites started the week following Memorial Day and will continue every week until at least Labor day, if there is no advisories you may not see an announcement. Additionally, keep in mind that recreational activities such as swimming (submersion) should be avoided in all environmental waters (creeks, streams, beaches) for 72 hours following a storm event. Elevated bacterial levels can persist after a rainstorm, depending on the storm’s intensity, runoff volume, and current water conditions.
Please contact the Environmental Protection Department at 716-532-2546 ext. 5438 or epd@sni.org for any questions.


