Westchester County Streams

Below are current list of all County Streams which require the a approved county stream permit for any alterations, repairs, maintenance to existing or new structures within 100 feet of the stream channel line.

  Stream Limits
Stream Name Municipality Beginning Point Ending Point
Beaver Swamp Brook Rye/Harrison Theodore Fremd Avenue Boston Post Road
Blind Brook Rye/Rye Brook/Harrison Anderson Hill Road Mill Pond
Mamaroneck River Mamaroneck/Harrison Byram Lake Wampus Brook
Saw Mill River Greenburgh/Harrison Winfield Avenue Mamaroneck Harbor
Saw Mill River Yonkers Fairview Park Drive Route 119
Sheldrake River Mamaroneck Gordon Place Yonkers Avenue
Shrub Oak Brook Yorktown Mill Street Gomer Court
Sprain Brook Greenburgh Underhill Road Jackson Avenue
Troublesome Brook Yonkers/Greenburgh Ardsley Road Read Avenue
Wampus River North Castle Cox Avenue I-684