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Water supply and demand
The quantities of water resources in an area that are easily available and the amount of water that is needed for all uses.
Subtopics:
Wastewater discharge (5 items)
Water budget (4 items)
Water use (56 items)


Results 1 - 37 of 81 listed by similarity [list alphabetically]
Glossary of water-use terminology [More info]
Dictionary of terms associated with water use from the publication: Estimated Use of water in the United States in 1990.
Water science for schools: water use in the United States [More info]
Educational site for elementary school students on water use in the United States.
Water science for schools: where is Earth's water located? [More info]
Educational site for elementary school students on the distribution of water, water supply and water use.
Water use in the United States [More info]
Links to water use reports for the United States for 1985, 1990, and 1995 comparison of use and renewable water supply by region, handbook for collecting water-use data, and other information on national water use.
Great Lakes issues [More info]
Water resources problems of the Great Lakes including water use, bacterial contamination on beaches, status of water resources, and ground water flow.
Drought watch Pacific Northwest states: Washington, Oregon, Idaho [More info]
Drought water homepage with links to maps showing streamflow conditions, drought definitions, resources, publications, and answers to Frequently Asked Questions (FAQs).
Hydrology primer [More info]
General information on the science of hydrology with information on ground water, surface water, water use, the work of hydrologists, and hydrology as a career.
Land Subsidence in the United States [More info]
Describes and provides examples of impacts of human-induced land subsidence resulting from the extraction of subsurface water, including aquifer-system compaction, drainage of organic soils, dissolution and collapse of susceptible rocks.
Occurrence of selected radionuclides in ground water used for drinking water in the United States [More info]
Results (*.pdf) of a 1998 targeted reconnaissance survey on the sources of radium, polonium, and lead radionuclides, data collection and laboratory methods, existing occurrences in drinking water, risk assessments, and compliance monitoring.
Using geochemical and statistical tools to identify irrigated areas that might contain high selenium concentrations in surface water [More info]
Program using pattern recognition analysis and classification models to determine areas of irrigated land with concentrations of selenium.
PDF A new tool to assess groundwater resources in the Mississippi embayment [More info]
Mathematical model of the groundwater system in this area includes 13 types of data and spans multiple aquifers over more than a century. This enables us to assess the quantity of groundwater, where and how it is being used, and how pumping affects it.
PDF Alabama Water Use, 2005 [More info]
Detailed information about how water is used in Alabama by type of use and geographic area.
Assessing Groundwater Availability in the High Plains Aquifer in Parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming [More info]
Explains concepts and methods used to determine the likely future supply of usable water in this major aquifer.
PDF Assessing groundwater availability in the North Atlantic Coastal Plain aquifer system [More info]
Nature, history, and distinctive characteristics of this aquifer system help us to understand the likely distribution of available groundwater.
PDF California's Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California's Central Valley [More info]
Modeling effort that integrates a wide variety of geographic, hydrologic, agricultural, climatic, and biological information to help local land managers address resource use issues.
PDF Changes in Water Levels and Storage in the High Plains Aquifer, Predevelopment to 2007 [More info]
Summarizes changes in water levels and drainable water in storage in the High Plains aquifer from predevelopment (before about 1950) to 2007.
PDF Changes in water levels and storage in the High Plains Aquifer, predevelopment to 2009 [More info]
Summarizes graphically the areas where water levels have dropped, and by how much, in this extensive underground water reservoir that covers several states in the mid-continent.
PDF Drought and deluge: Effects of recent climate variability on groundwater levels in eastern Arkansas [More info]
Water levels in wells completed in the Mississippi River Valley alluvial aquifer and the Sparta aquifer in eastern Arkansas respond to variability associated with annual precipitation.
PDF Effects of climate change and land use on water resources in the Upper Colorado River Basin [More info]
Information from climate model forecasts, projections of future flows, paleoclimatic indicators, timing of snowmelt, airborne dust, and the effects on vegetation of troublesome pest species indicate the nature and severity of problems looming.
Effects of land use on water quality in Michigan [More info]
Links to projects that provide information on the relation of land use to water quality, sources of pollutants, or trends in water quality.
PDF Effects of wastewater on forested wetlands [More info]
Study of the effects of the practice of cycling municipal nutrient-enriched wastewater from holding ponds through forested wetlands. Studies were in the Cypiere Perdue Swamp, Louisiana, and the Drummond Bog, Wisconsin.
Endocrine Disruption Found in Fish Exposed to Municipal Wastewater [More info]
Research findings and examples of application to real problems--cause and potential effects of wastewater on fish in streams is explored.
Estimated freshwater withdrawals in Oklahoma [More info]
Freshwater withdrawal estimates for Oklahoma by source and category. Withdrawal data from ground water and surface water for domestic, commercial and agricultural use.
Great Lakes assessment of water availability and use [More info]
Information about basin storage, historical changes, and consumptive water use for manages and planners to use to develop policies for efficient and sustainable water use.
Ground water atlas of the United States [More info]
The U.S. ground water atlas consists of information on ground water resources of 13 regions covering the 50 States, Puerto Rico, and the U.S. Virgin Islands. Text and maps can be viewed online and downloaded as ASCII, GIF, and *.eps files.
PDF Ground-water availability in the United States [More info]
Report examines what is known about the Nation's ground-water availability, and outlines a program of study to improve our understanding of ground-water availability in major aquifers across the Nation. With regional examples.
Ground-water data for the Nation [More info]
National Water Information System (NWIS) real-time data on selected ground water sites, ground water level data, site inventory of wells, test holes, drains, springs and excavations and ground water-quality data for the United States.
PDF Groundwater availability study for Guam; goals, approach, products, and schedule of activities [More info]
Process and plan to be used to provide reliable evaluations of the potential effects of groundwater production and help guide sustainable management of the resource.
Louisiana online water resources publications [More info]
Links to electronic publications on Louisiana water resources, some in PDF format, and link to bibliographies of electronic and paper publications.
PDF Outdoor water use and water conservation opportunities in Virginia Beach, Virginia [More info]
How much water do you use to water your lawn, wash your car, or fill your swimming pool? Your answers to these questions have important implications for water supplies. A survey in this area showed the types of users and the ways in which water is used.
PDF Possible effects of groundwater pumping on surface water in the Verde Valley, Arizona [More info]
We applied a groundwater model to simulate effects of groundwater pumping and artificial recharge on surface water in this area. Results show effects of pumping or recharge on streamflow.
PDF Quantifying effects of climate change on the snowmelt-dominated groundwater resources of northern New England [More info]
Planned analysis of the sensitivity of groundwater levels to changes in air temperature and precipitation. Changes in groundwater recharge and discharge also will be correlated with other hydrologic indicators.
PDF Science to support the understanding of Ohio's water resources [More info]
Short descriptions of a variety of ongoing USGS studies focused on water resources in Ohio.
Source Water-Quality Assessment [More info]
Characterize the quality of selected rivers and aquifers used as a source of supply to community water systems in the United States to determine the occurrence of about 280 primary unregulated anthropogenic organic compounds.
PDF Source, Use, and Disposition of Freshwater in Puerto Rico, 2005 [More info]
Quantitative analysis of water use statistics for Puerto Rico, showing domestic, agricultural, industrial, and electric power as the main offstream uses.
PDF Summary of estimated water use in the United States in 2005 [More info]
Estimates the amount of several types of water (surface or groundwater, freshwater or saltwater) withdrawn for use in 2005, detailing the major activities for which the water was used.
PDF Sustainability of Water Resources in the Fractured-Rock Area of Maryland [More info]
Explains why a water resource assessment for the area west of the Fall Line is needed.
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