• Organization: City of Los Angeles
• Updated: 2024-12-02

Official Storm Drain System in the City of Los Angeles created and maintained by the Bureau of Engineering / GIS Mapping Division. GIS data contains the storm pipes and the storm drain inlets.

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• Organization: City of Los Angeles
• Updated: 2024-12-02

Official Storm Drain System in the City of Los Angeles created and maintained by the Bureau of Engineering / GIS Mapping Division. GIS data contains the storm pipes and the storm drain inlets.

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The storm surge zones data used in this application were generated using the Sea - Lake - and Overland...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The storm surge zones data used in this application were generated using the Sea - Lake - and Overland...

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• Organization: District of Columbia
• Updated: 2026-02-05T07:30:26.000Z

Storm Drain Marker Installations is a data layer showing where storm drain markers were installed on storm sewer catchments. Markers indicate that the sewer catchments drain to the Chesapeake Bay...

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• Organization: District of Columbia
• Updated: 2024-09-26T14:19:02.000Z

This data reflects areas with a risk of storm tide flooding from hurricanes, based on potential storm tide heights calculated by the National Weather Service's SLOSH (Sea, Lake, and Overland Surge...

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• Organization: State of Iowa
• Updated: 2023-08-30

Iowa Department of Natural Resources issues discharge permits under delegation of a federal program known as the NPDES (National Pollutant Discharge Elimination System) permit program. Storm...

• Organization: U.S. Environmental Protection Agency
• Updated: 2026-02-14

Certified models meet all ENERGY STAR requirements as listed in the Version 1.0 ENERGY STAR Program Requirements for Storm Windows that are effective as of September 5, 2018. A detailed listing of...

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• Organization: State of New York
• Updated: 2019-11-21

A listing of contracts between the Governor’s Office of Storm Recovery – organized under the NYS Housing Trust Fund Corporation (HTFC) and operating within NYS Homes and Community Renewal – and...

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• Organization: City of San Francisco
• Updated: 2025-02-18

This shapefile (polygon feature) contains the boundary of the July 1, 2022 100-Year Storm Flood Risk Zone, one of the layers of the July 1, 2022 100-Year Storm Flood Risk Map. Areas within this...

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• Organization: District of Columbia
• Updated: 2026-02-06T00:00:00.000Z

DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Approximately two-thirds of the District is served by a separate sewer system, while the remaining...

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• Organization: Department of the Interior
• Updated: 2023-12-21T00:00:00Z

This product summarizes data used in the analysis portion of our Flood and Storm Tracker (FaST) manuscript (see larger work citation). The dataset titled HUCsppMatrices2012-2022.csv has each...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2024-07-04

Microbial DNA data and water stable isotope data used in the following paper: URycki, D. R., Good, S. P., Crump, B. C., Ceperley, N., & Brooks, J. R. (2024). Microbial community storm dynamics...

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• Organization: District of Columbia
• Updated: 2026-02-06T00:00:00.000Z

This layer depicts a generalized boundary of the District’s Municipal Separate Storm Sewer System (MS4) drainage areas. Each sewershed shows the general drainage area of a system of pipes and...

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• Organization: District of Columbia
• Updated: 2026-02-06T00:00:00.000Z

The dataset contains locations and attributes of the MS4 Storm Sewer outfalls created as part of the District MS4 Permit. GPS outfall locations were captured in 2004-2006 by, then, DC WASA. A...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-06-10T00:00:00.000+00:00

The patterns and variability of hurricane tracks are an important indicator for scientists and emergency managers to assess risk and build resilience among coastal communities. The most complete...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

Numerically modeled ocean storm conditions of hindcast (1981-2010) and projected (2011-2100) storm events in the nearshore region of Arey Lagoon, Alaska. Storms were identified from time-series of...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

This data contains maximum model-derived ocean currents (in meters per second) for the sea-level rise (SLR) and storm condition indicated. The Coastal Storm Modeling System (CoSMoS) makes...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

This data contains maximum model-derived ocean currents (in meters per second) for the sea-level rise (SLR) and storm condition indicated. The Coastal Storm Modeling System (CoSMoS) makes...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

This data contains maximum model-derived significant wave height (in meters) for the sea-level rise (SLR) and storm condition indicated. The Coastal Storm Modeling System (CoSMoS) makes detailed...

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