Water and Hydrology Resources

Can view Pennsylvania and regional data.

Can view community, state and national data. For Pennsylvania, "These assessments describe whether the water meets water quality criteria (benchmarks or standards), fish are safe to eat, if levels of bacteria pose a higher risk for illness during swimming or boating, and if water is a good source of drinking water. These results are published every two years in the Pennsylvania Integrated Water Quality Monitoring and Assessment Report as required by Clean Water Act Sections 303(d) and 305(b)."

Provides interactive maps for each area of PA - gives information on current state projects and data.

The Philadelphia District manages water resources of the Delaware River basin; builds facilities for the Army and Air Force; and provides engineering and environmental services for other agencies.

Provides owners and managers conserve their soil, water, and other natural resources within PA.

A comprehensive and distributed application that supports the acquisition, processing, and long-term storage of water data in PA.

The National Aquatic Resource Surveys (NARS) are collaborative programs between EPA, states, and tribes designed to assess the quality of the nation's coastal waters, lakes and reservoirs, rivers and streams, and wetlands using a statistical survey design. The NARS provide critical, groundbreaking, and nationally-consistent data on the nation's waters.

The focus of the National Stream and Aquatic Ecology Center is on developing tools and science applications for the more effective management and conservation of watersheds, streams, riparian ecosystems, fisheries and aquatic ecosystems on National Forests and Grasslands.

Provides technical and financial assistance to producers who implement conservation practices and management strategies, including the restoration and protection of wetlands, that benefit water quality and improve water management. Gives statistics on water in relation to agriculture.

An informational website highlighting current issues within water resources and laws/regulations surrounding water.

These pages provide access to water-resources data collected at approximately 1.9 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands.

The USGS works with partners to monitor, assess, conduct targeted research, and deliver information on a wide range of water resources and conditions including streamflow, groundwater, water quality, and water use.

Contains interactive maps on current/past steam flow, flood, and drought statistics in the United States based on federal USGS data.

Contains country-level water data/irrigation area visualizations based on information gathered by the FAO.

Provides various types of statistics on food and agriculture throughout the United Nations.

Publishes various resources about the quality and development of water throughout the United Nations/World.

Find World Bank projects, data, and research relating to issues in water worldwide.