Search datasets
-
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This is a No Discharge Area (NDA) for NY State area of Lake Erie. The actual NDA areas/polygons were primarily created using narrative description from Federal Register notices and digitized...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This dataset details No Discharge Zones (NDZ) for Buzzards Bay, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register Environmental Documents...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This is a No Discharge Area (NDA) for Lake Ontario, NY. The actual NDA areas/polygons were primarily created using narrative description from Federal Register notices and digitized against basemap...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:01 AM -
This dataset details No Discharge Zones (NDZ) for Plymouth, Kingston, and Duxbury, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This dataset details No Discharge Zones (NDZ) for Boston Harbor, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register Environmental Documents...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:01 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This dataset details No Discharge Zones (NDZ) for Nantucket, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register Environmental Documents in...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This dataset details No Discharge Zones (NDZ) for Ferry Corridors and Western MA Bay, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:01 AM -
This is a No Discharge Area (NDA) for NY State Canal System. The actual NDA areas/polygons were primarily created using narrative description from Federal Register notices and digitized against...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This dataset details No Discharge Zones (NDZ) for Salem Sound, MA. Boaters may not discharge waste into these areas. Boundaries were determined mostly by Federal Register Environmental Documents...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:02 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:01 AM -
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any sewage, treated or untreated,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:01 AM -
This is a No Discharge Area (NDA) for Barnegat Bay, NJ. The actual NDA areas/polygons were primarily created using narrative description from Federal Register notices and digitized against basemap...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This is a No Discharge Area (NDA) for Lake George, NY. The actual NDA areas/polygons were primarily created using narrative description from Federal Register notices and digitized against basemap...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 05:01 AM
