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Stream (Stormwater Connection Permits see below)

Before starting any contruction project obtain the required permits

The county requires a stream permit prior to all work, whether it be a repair, an alternation or simple maintenance, on, above or within 100 feet of any county stream channel line.

This permit is required of any firm, person, corporation or improvement district or municipality whose intentions are to construct, repair, maintain or later any structure, drainage, water pip, conduit or other serviceable item.

Applicants are required to submit three original permit forms and three sets of plans indicating purposed impact to the stream channel. Only completed, notarized forms with original signatures will be accepted. Download the permit form.

Mail completed forms to:

Jeff Dean, P.E.
Department of Public Works & Transportation
Public Works 
148 Martine Avenue - Room 500
White Plains, New York 10601

These county streams and areas require an approved permit prior to any construction undertaking as noted above:

Stream Name Municipality Stream Begins Stream Ends Miles
Beaver Swamp Brook Rye, Harrison Theodore  Fremd Ave. Boston Post Road 1.86
Blind Brook Rye, Rye Brook, Harrison Anderson Hill Road Mill Pond 8.39
Byram River North Castle Byram Lake  Wampus Brook 4.03
Mamaroneck River Mamaroneck, Harrison Winfield Avenue Mamaroneck Harbor 2.03
Saw Mill River Greenburgh, Elmsford Fairview Park Drive Route 119 1.14
Saw Mill River Yonkers Gordon Place Yonkers Avenue 1.82
Sheldrake River Mamaroneck Jefferson Avenue Lakeside Drive 1.53
Shrub Oak Brook Yorktown Mill Street Gomer Court 3.09
Sprain Brook Greenburgh Underhill Road Jackson Avenue 1.84
Troublesome Brook Yonkers, Greenburgh Ardsley Road Read Avenue 3.43
Wampus River North Castle Cox Avenue I-684 3.05
      Total: 32.20

 

Stormwater Connection Permits

The county requires a stormwater connecion permit for all connections (existing and new) and/or non-natural stormwater discharges into/on any county infastructure.

This permit is required of any firm, person, corporation or improvement district or municipality whose intentions are to convey stormwater or other approved discharges into the countys stormwater sewer system.

Applicants are required to submit three original permit forms and three sets of plans indicating purposed impact to the stream channel. Only completed, notarized forms with original signatures will be accepted.

Download the Stormwater Connection Permit 

Download the Stormwater Permit Instructions.

Mail completed forms to:

Jeff Dean, P.E.
Department of Public Works & Transportation
Public Works 
148 Martine Avenue - Room 500
White Plains, New York 10601