Description: This file contains planimetric basemap data of Westchester County, New York. The source for the data was aerial photography acquired in April 2004. This layer represents the ground location of utility poles, light poles and utility poles with light fixtures, visible along roadways. The data was photogrammetrically stereo-compiled to North American Datum 1983; New York State Plane East Zone. Image horizontal accuracy is +/-2.5 ft. at the 90% confidence level.
Description: This data is a collection of fire hydrants for 50 fire departments (some with partial data) within Westchester County. The data was collected and/or verified by fire departments or other local sources. As of October 5, 2015 this is the most up to date version of fire hydrant data available.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Westchester County, Purchase Fire Department (FD), Eastchester FD, Vista FD, Pound Ridge FD, Bedford FD, Katonah FD, Bedford Hills FD, Armonk FD, Chappaqua FD, Millwood FD, Sleepy Hollow FD, Thornwood FD, Valhalla FD, West Harrison FD, Port Chester FD, Rye FD, Mamaroneck Village FD, Mamaroneck Town FD, Larchmont FD, New Rochelle FD, Pelham FD, Pelham Manor FD, Dobbs Ferry FD, Hastings FD, Ardsley FD, Greenville FD, Scarsdale FD, Mount Kisco DPW, Pleasantville DPW, Yorktown Water Department, Somers Water Departments, Mount Vernon DPW, Yonkers DPW
Description: MS4 is short for "Municipal Separate Storm Sewer System". The consortium is made up of 17 municipalities within the county (note that consortium municipalities do change often). This data was collected by Dolph Rotfeld Engineering and Stellar Services. The type of drainstructure can be found in the field "Structure_WC" (alias "STRUCTURE"). It includes catch basin, culvert, draingage manhole, inlet point, open drain, outfal, other/unknown, and outfall/interconnect.It was prepared for Westchetser County Government, Department of Public Works and Transportation in 2020.Some features may be in municipalities that are non-consortium becasue of error or miscommunication on where the municipality boundaries are located (In field error).
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Dolph Rotfeld Engineering and Stellar
Description: MS4 is short for "Municipal Separate Storm Sewer System". The consortium is made up of 17 municipalities within the county (note that consortium municipalities do change often). This data was collected by Dolph Rotfeld Engineering and Stellar Services. It was prepared for Westchetser County Government, Department of Public Works and Transportation in 2020.Some features may be in municipalities that are non-consortium becasue of error or miscommunication on where the municipality boundaries are located (In field error).
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Dolph Rotfeld Engineering and Stellar
Description: MS4 Stormwater Outfalls: This data is a collection of stormwater outfalls (discharge points) within Westchester County, NY. The data was collected by various local sources in 2018.
This layer has been updated in July 2020 to remove all features that were located in MS4 consortium municipalities (17 municipalities are consortium in the year 2020). This layer now contains only outfalls that are nonconsortium.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Westchester County, Town of Mamaroneck, Village of Croton, Village of Larchmont, Town of Mount Kisco, Village of Ossining, City of Peekskill, Village of Pelham, Village of Pleasantville, Village of Tarrytown, Village of Buchanan and Town of Pound Ridge
Name: Municipal MS4 Non-Consortium Catch Basins and Manholes
Display Field: ST_NAME
Type: Feature Layer
Geometry Type: esriGeometryPoint
Description: The stormwater data was developed to facilitate MS4 reporting. The data developed by Dolph Rotfeld, Bowne Management Systems and Insite Engineering was captured in 2012. The data developed by various local sources was captured at separate times and is the most up-to-do date and complete representation of what is currently in use. The 3 types of features represented in this dataset are ‘Catch Basins’, ‘Drainage Manholes’ and ‘Other’. ‘Other’ represents a location significant to storm water (i.e. drainage ditch, etc...) but the attribute data was insufficient and the source of the data collection could not be contacted to clarify or categorize the data.
This layer has been updated in July 2020 to remove all features that were located in MS4 consortium municipalities (17 municipalities are consortium in the year 2020). This layer now contains only stormwater catch basines and manholes that are nonconsortium.
Description: This data is a collection of stormwater mains within Westchester County, NY. The data was collected by various local sources in January 6, 2016.
This layer has been updated in July 2020 to remove all features that were located in MS4 consortium municipalities (17 municipalities are consortium in the year 2020). This layer now contains only storm pipes that are nonconsortium.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Town of Mamaroneck, Village of Croton, Village of Larchmont, Village of Mount Kisco, Village of Ossining, and the City of Yonkers
Description: The stormwater data was developed to facilitate MS4 reporting. MS4 is short for "Municipal Separate Storm Sewer System". The data developed by Dolph Rotfeld Engineering and Stellar Services was captured in early 2020. The type of drainstructure can be found in the field "Feature_Type". It includes catch basin, culvert, inlet, manhole, outfall, and other/unknown. This layer's drainage structures are all county owned property. It was prepared for Westchetser County Government, Department of Public Works and Transportation.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Dolph Rotfeld Engineering and Stellar
Description: The stormwater data was developed to facilitate MS4 reporting. MS4 is short for "Municipal Separate Storm Sewer System". The data developed by Dolph Rotfeld Engineering and Stellar Services was captured in early 2020. This layer's drainage piepes are all county owned property. It was prepared for Westchetser County Government, Department of Public Works and Transportation.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Dolph Rotfeld Engineering and Stellar
Description: This data is a collection of sanitary sewer manholes within Westchester County (excluding manholes on the Westchester County Trunkline). The data was initially digitized from the early 1990's Sanitary Sewer Evaluation Study (SSIS) and then augmented with more recent and up to date data from local governments where available. As of October 5, 2015 this is the most up to date version of the sewer manholes available.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Westchester County, City of Mount Vernon, Town of Cortlandt, Village of Briarcliff Manor, Village of Buchanan, Village of Croton, Village of Irvington, Village of Larchmont, Town of Mamaroneck, Village of Mount Kisco, Town of North Castle, Village of Ossining, Village of Pleasantville, City of Rye, City of Yonkers and Town of Somers
Description: This data is a collection of sanitary sewer mains within Westchester County (excluding the Westchester County Trunkline). The data was initially digitized from the early 1990's Sanitary Sewer Evaluation Study (SSIS) and then augmented with more recent and up to date data from local governments where available. As of October 5, 2015 this is the most up to date version of the sewer mains available.
Service Item Id: 4ca3caa51e384fada7b071188c653f1c
Copyright Text: Westchester County, City of Mount Vernon, Town of Cortlandt, Village of Briarcliff Manor, Village of Buchanan, Village of Croton, Village of Irvington, Village of Larchmont, Town of Mamaroneck, Village of Mount Kisco, Town of North Castle, Village of Ossining, Village of Pleasantville, City of Rye, City of Yonkers and Town of Somers
Description: This coverage identifies the sewage treatment facility locations of which there are 7 within Westchester County. Verified according to base mapping building footprints by Westchester County GIS.
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