U.S. Domestic Resources

Welcome to the H2infO U.S. Domestic Resources Page. On this page you will find U.S. Water Partnership member resources aimed at helping domestic stakeholders address the unique water challenges of the United States.

U.S. Domestic Resources

National Water Level Observation Network

Publication date:
October 15, 2013
National Oceanic and Atmospheric Administration
The NWLON is a coastal observing network of 175 stations nationwide, including the Great Lakes and Pacific as well as Atlantic Ocean Island Territories and Possessions that collects continuous long-term water level observations to a known vertical reference. NWLON data communications include near...Read more
Regional/Country focus:
United States
North America

Sea Level Trends

Publication date:
October 15, 2013
National Oceanic and Atmospheric Administration
The mean sea level (MSL) trends measured by tide gauges that are presented on this web site are local relative MSL trends as opposed to the global sea level trend. Tide gauge measurements are made with respect to a local fixed reference level on land; therefore, if there is some long-term vertical...Read more
Regional/Country focus:
United States
North America

Extreme Water Levels

Publication date:
October 15, 2013
National Oceanic and Atmospheric Administration
This product provides annual and monthly exceedance probability levels for select Center for Operational Oceanographic Products and Services (CO-OPS) water level stations with at least 30 years of data. When used in conjunction with real time station data, exceedance probability levels can be used...Read more
Regional/Country focus:
United States
North America

Inundation Analysis Tool

Publication date:
October 15, 2013
National Oceanic and Atmospheric Administration
The inundation analysis program is extremely beneficial in determining the frequency (or the occurrence of high waters for different elevations above a specified threshold) and duration (or the amount of time that the specified location is inundated by water) of observed high waters (tides).Read more
Regional/Country focus:
United States
North America

Date API

National Oceanic and Atmospheric Administration
The Center for Operational Oceanographic Products and Services (CO-OPS) API for data retrieval can be used to retrieve observations and predictions from CO-OPS stations.Read more
Regional/Country focus:
United States
North America

Sea Level Rise and Coastal Flooding Impacts Viewer

Publication date:
September 23, 2016
National Oceanic and Atmospheric Administration
Use this web mapping tool to visualize community-level impacts from coastal flooding or sea level rise (up to 6 feet above average high tides). Photo simulations of how future flooding might impact local landmarks are also provided, as well as data related to water depth, connectivity, flood...Read more
Regional/Country focus:
United States
North America

Mapping High and Low Lake Level Impacts

Publication date:
September 14, 2016
National Oceanic and Atmospheric Administration
This web-based tool creates visuals that capture lake level changes that range from six feet above to six feet below historical long-term average water levels in the Great Lakes. Potential shoreline and coastal impacts are also provided. This information can be used to determine appropriate...Read more
Regional/Country focus:
United States
North America

Significant River Flood Outlook

National Oceanic and Atmospheric Administration
This Flood Outlook is intended to provide a general outlook for significant river flooding.Read more
Regional/Country focus:
United States
North America

Assessing Coastal Community Exposure to Flood Hazards

Publication date:
September 14, 2016
National Oceanic and Atmospheric Administration
This online visualization tool supports communities that are assessing their coastal hazard risks and vulnerabilities. The tool creates a collection of user-defined maps that show the people, places, and natural resources exposed to coastal flooding. The maps can be saved, downloaded, or shared to...Read more
Regional/Country focus:
United States
North America

Coastal County Snapshots- Flood Exposure

Publication date:
September 14, 2016
National Oceanic and Atmospheric Administration
This online tool provides managers and citizens with easy-to-understand charts and graphs that describe complex coastal data. Users select a county of interest and the website does the rest, creating a helpful educational tool for governing bodies and citizen groups. Current snapshot topics include...Read more
Regional/Country focus:
United States
North America