Municipal Storm Sewer System MS4

This dataset is developed by the Department of Environmental Conservation (DEC), Division of Water to delineate the boundaries of the areas subject to SPDES General Permit for Phase II Stormwater Regulations. This dataset is subject to change as the MS4s obtain a permit and identify the boundaries of their jurisdictions.

For background information, see MS4 Toolbox

For layer information or to download layer, see Municipal Storm Sewer System MS4

Download the metadata to learn more information about how the data was created and details about the attributes. Use the links within the metadata document to expand the sections of interest. Metadata Link

Data and Resources

Field Value
dcat_issued 2021-03-22T19:06:21.000Z
dcat_modified 2019-07-24T00:00:00.000Z
dcat_publisher_name New York State Department of Environmental Conservation
guid https://www.arcgis.com/home/item.html?id=2cd864d1a65d4401866e3767ac10ca50&sublayer=0
Tags
  • MS4
  • New York State
  • SPDES
  • boundaries
  • custodial
  • stormwater
isopen False
metadata_created 2026-08-19T14:50:25.958383
metadata_modified 2026-08-21T12:51:42.561119
notes <div style='text-align:Left;'><div><div><p><span>This dataset is developed by the Department of Environmental Conservation (DEC), Division of Water to delineate the boundaries of the areas subject to SPDES General Permit for Phase II Stormwater Regulations. This dataset is subject to change as the MS4s obtain a permit and identify the boundaries of their jurisdictions.</span></p><p><span>For background information, see </span><a href='https://dec.ny.gov/environmental-protection/water/water-quality/stormwater/ms4-toolbox' rel='nofollow ugc'><span>MS4 Toolbox</span></a></p><p><span>For layer information or to download layer, see </span><a href='https://nys-gis-resources-3-sharegisny.hub.arcgis.com/datasets/nysdec::municipal-storm-sewer-system-ms4/about' rel='nofollow ugc'><span>Municipal Storm Sewer System MS4</span></a></p><p><span>Download the metadata to learn more information about how the data was created and details about the attributes. Use the links within the metadata document to expand the sections of interest. </span><a href='https://nysdec.maps.arcgis.com/sharing/rest/content/items/2cd864d1a65d4401866e3767ac10ca50/info/metadata/metadata.xml?format=default&amp;output=html' rel='nofollow ugc'><span>Metadata Link</span></a></p><p><span /></p></div></div></div>
num_resources 11
num_tags 6
title Municipal Storm Sewer System MS4
url https://data.gis.ny.gov/datasets/nysdec::municipal-storm-sewer-system-ms4