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These data are not a substitute for on-site inspection or survey, however, in cases where a location that is close to the border of this GIS representation is questioned.\n\nFALL 2020 NOTE: In Fall 2020, two changes were made to the official NYC watershed and basin boundaries as follows: 1) The Diverting Reservoir boundary in EOH was updated, which in-turn required a change in the basin and subbasin boundary there. 2) Based on the results of a watershed boundary field inspection by REP and GIS Staff, as per the watershed delineation SOP, a very small portion of the outer Cannonsville Basin boundary in WOH, T. Delhi required updating, which in-turn required a change in the basin and subbasin boundary there. This resulted in a loss of .5 acres in the WOH watershed and the Cannonsville Basin. These changes have been reflected in this basin-derived dataset.\n\nNOTE: This layer has been clipped to the Westchester County boundary (2022)", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 102715, "latestWkid": 2260, "xyTolerance": 0.00328083333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -17954600, "falseY": -46918100, "xyUnits": 1.37255069879236E8, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Original data (NYC outer-watershed boundary and 8-digit HUC basins) developed under NYCDEP contract CAT-393 by RACNE. QA edits developed in-house by NYCDEP BWS GIS. 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