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Federal
Depth grids of the flood-inundation maps for the St. Joseph River at Elkhart, Indiana
Department of the Interior —
Digital flood-inundation maps for a 6.6-mile reach of the St. Joseph River at Elkhart, Indiana were created by the U.S. Geological Survey (USGS) in cooperation with... -
State
Palynological and thermal maturity analysis of outcrop samples from the West Susitna area STATEMAP project, southcentral, Alaska
State of Alaska —
Palynological and thermal maturity analysis of outcrop samples from the West Susitna area STATEMAP project, southcentral, Alaska, Raw Data File 2025-27, provides... -
City
Sea Level Rise Maps (2080s 100-year Floodplain)
City of New York —
This is the 100-Year Floodplain for the 2080s based on FEMA's Preliminary Work Map data and the New York Panel on Climate Change's 90th Percentile Projects for Sea-... -
City
Sea Level Rise Maps (2100 100-year Floodplain)
City of New York —
This is the 100-Year Floodplain for 2100 based on FEMA's Preliminary Work Map data and the New York Panel on Climate Change's 90th Percentile Projects for Sea-Level... -
State
Surficial geologic map of the Circle mining district, Alaska
State of Alaska —
Surficial geologic map of the Circle mining district, Alaska, Report of Investigation 95-2C, presents results from a geologic investigation of surficial deposits in... -
Floodplains from 2023
District of Columbia —
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and... -
Floodplains
District of Columbia —
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and... -
Federal
Shapefiles depicting the valley bottom areas.
Department of the Interior —
The shapefiles depict the valley bottom areas over which HEC-RAS model results were summarized. Valley bottoms were manually delineated in ArcMap by visually... -
State
Geologic map of the Upper Chena River area, eastern interior Alaska
State of Alaska —
Geologic studies of the upper Chena River area were undertaken in 1983 as part of the Interior Mining District Evaluation Program, a series of projects designed to... -
State
Q3 Digital Flood Insurance Rate Map (polygon)
State of Arkansas —
Data available online through GeoStor at http://www.geostor.arkansas.gov. The Q3 Flood Data are derived from the Flood Insurance Rate Maps (FIRMS) published by the... -
Federal
Geospatial Data for a Flood-Inundation Mapping Study of the South Platte River at Fort Morgan, Colorado, 2018
Department of the Interior —
The development and generation of the datasets that are published through this data release, were based on the results and findings of the report: Kohn, M.S. and... -
State
Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska
State of Alaska —
Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska, Preliminary Interpretive Report 2026-1, prevents surficial and... -
Federal
Shallow Sediment Geochemical Data for the Cache Creek Settling Basin, Yolo County, California
Department of the Interior —
This dataset includes shallow surface sediment (top 0โ2 cm interval) constituent concentration data (primarily) and microbial methylmercury production potential rate... -
Federal
2010 Phalaris arundinacea (Reed canarygrass) mapped locations within pools 2-13 of the Upper Mississippi River System
Department of the Interior —
Aerial photographs for Pools 2-13 Upper Mississippi River System were collected in color infrared (CIR) in August of 2010 at 8โ/pixel and 16โ/pixel respectively using... -
Federal
BETA - Hazard Exposure: National Highway System Bridges
Department of Transportation —
The BETA - Hazard Exposure: National Highway System Bridges dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of... -
Federal
EnviroAtlas - Phoenix, AZ - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
Native and Non-Native Fish Species in the Willamette River Basin, Oregon
Department of the Interior —
The Willamette River Basin, Oregon, supports native fish species and non-native fish species introduced for sport fisheries or accidentally from aquarium releases and... -
Floodplains from 2020
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which requires the purchase of flood insurance... -
Federal
Dataset from Bunker Hill sediments microcosm study
U.S. Environmental Protection Agency —
A laboratory-based microcosm study was conducted from September 2023 to July 2024 by the Office of Research (ORD) Cincinnati Lab (ORD-CESER-LRTD-CAISB). QA Category B... -
Federal
Patuxent Shapefiles depicting the valley bottom areas.
Department of the Interior —
The shapefiles depict the valley bottom areas over which HEC-RAS model results were summarized. Valley bottoms were manually delineated in ArcMap by visually...