Tag Archives: Groundwater

Groundwater Largest Source of Water Lost in Colorado River Basin

… Scientists found that more than 75% of water loss in the drought-stricken Colorado River Basin since late 2004 came from underground resources. A study by the National Aeronautics and Space Administration (NASA) and University of California, Irvine revealed that the extent of groundwater loss may pose a greater threat to the water supply of […]

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California Water Shortage Buffered by Groundwater

In January, California Governor Edmund Brown called for a 20% reduction in water use in response to one of the worst state droughts on record. However, data shows that water use has actually increased, and there has been a shift toward greater groundwater use. In May, water use increased 1% compared to the same month […]

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EPA Releases Groundwater Remediation Guidance

On May 21, the U.S. Environmental Protection Agency (EPA) released a guidance document evaluating approaches for restoring or containing contaminated groundwater at Superfund sites. The report, “Groundwater Remedy Completion of Strategy: Moving Forward with the End in Mind,” is part of a suite of EPA guidance on groundwater cleanups. According to the EPA report, “Groundwater […]

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National Forest Service Makes Changes to Protect Water Resources

On May 2, the National Forest Service (NFS) announced that it will use best management practices (BMPs) to improve and protect water quality on national forests and grasslands, an action it calls an integral component of watershed stewardship and land management. NFS is proposing amendments to its internal Manual for Water Quality Management, establishing a […]

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ACWA Releases Groundwater Management Recommendations

On April 7, the Association of California Water Agencies (ACWA) released recommendations for improving management of California groundwater basins. ACWA’s recommendations come as discussions continue in the regulatory and legislative arenas to identify ways to address potentially unsustainable declines in groundwater levels and degraded groundwater quality in some basins of the state. The drought has […]

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British Columbia Bill Would Regulate Groundwater for the First Time

A bill proposed on March 11 in the Canadian province of British Columbia would regulate and protect groundwater resources for the first time. The Water Sustainability Act would modernize the 1909 Water Act and take effect in the spring of 2015, after supporting regulations are developed and finalized. In addition to creating first-time protections for […]

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California Governor Signs Bill Providing $687 Million for Drought Relief

On March 1, California Governor Jerry Brown signed into law a $687 million emergency drought relief package following his January declaration of a drought State of Emergency. The package includes $549 million from the accelerated expenditure of voter-approved bonds for infrastructure grants for local and regional projects that are already planned or partially completed. Projects […]

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Public Comment Opens on Bay Delta Conservation Plan

California’s $25-billion Bay Delta Conservation Plan, which will deliver water to Southern California, is now open for public comment. The plan is an application to the National Oceanic and Atmospheric Administration’s Fisheries Service and the U.S. Fish and Wildlife Service for a 50-year permit. It includes two 56-km (35-mi) long tunnels and three intake pumps […]

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Groundwater Pumping Causing Land Subsidence in Southern Chesapeake Bay, USGS Study Says

On Dec. 9, U.S. Geological Survey Virginia Water Science Center and the agency’s Office of Groundwater released a study on the effects of groundwater withdrawals on land subsidence in the Southern Chesapeake Bay. The land surface is sinking due primarily to groundwater withdrawals, causing increased flooding and sea-level rise in the communities and coastal habitats […]

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Reducing Nitrogen in Waterbodies May Take Longer than Previously Thought, Studies Show

Nitrogen has been the subject of several studies over the last month. On Nov. 12, the U.S. Geological Survey (USGS) released a study showing that efforts to reduce nutrient and sediment delivery to the Chesapeake Bay may be delayed due to the slow speeds at which groundwater moves. This particular study focuses on nitrogen from […]

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