Update for Delta Mercury Control Program and Total Maximum Daily Load (TMDL)

­­ From the Delta Mercury Control Program, Central Valley Regional Water Board: Below are a series of brief updates related to the Delta Mercury Control Program (aka Delta Methylmercury TMDL). Links within the updates provide additional information. Status of Phase 1 Studies The Delta Mercury Control Program Phase 1 emphasizes studies and pilot projects to develop and evaluate management practices […]

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Mercury and rice in the Delta: Lessons linking wetlands to water and wildlife

Dr. Lisamarie Windham-Myers is an ecosystem ecologist specializing in wetlands.  As an ecosystems ecologist, she works across a broad spectrum of wetland types on issues related to carbon, nutrient, and mercury cycling.  While her focus on mercury began in New Jersey meadowlands, Lisa is an active researcher in the biogeochemistry on all U.S. coasts, and for the past 12 years, […]

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How the San Francisco Bay Regional Monitoring Program integrates research and monitoring of mercury and methylmercury

Dr. Jay Davis highlights studies to determine where the greatest potential exists to address methylmercury in the San Francisco Bay The Regional Monitoring Program (RMP) for the San Francisco Bay is a collaborative partnership between the San Francisco Estuary Institute, the Regional Water Quality Control Board, and the regulated discharger community to provide the scientific foundation to manage water quality […]

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Overview of control studies for the Delta methylmercury TMDL

Dr. Stephen McCord discusses the progress made so far on the phase one control studies; final reports are due October, 2018 Mercury comes from many sources, both natural and human.  A byproduct of coal combustion and volcanic eruptions, it can be transported by wind and rain; it can also be naturally occurring in soils and springs, particularly in California’s Coast […]

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Removal of mercury from surface waters using coagulation

Dr. Tamara Kraus with the USGS presents the latest laboratory and field test results using metal-based salts as a coagulant for mercury removal Mercury contamination is a widespread problem, not just locally but also globally, and its serious effects on health are well known. Mercury in the environment comes from many sources: it is transported by wind and rain from local […]

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Overview of mine remediation in the Bay-Delta Ecosystem

California is making progress on remediating abandoned mine sites, says Carrie Austin, San Francisco Bay Regional Water Board The California Gold Rush, begun in 1849, brought rapid population growth, new technology, and economic growth to the state, propelling it to a center of the global imagination and making it the destination of hundreds of thousands of people practically overnight. Many […]

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Addressing mercury in the Delta: An update on the Delta Mercury Control Program

Presentation from the Central Valley Regional Water Board covers Phase 1 methylmercury control study progress reports and implementation of the Delta Mercury Exposure Control Program Mercury contamination is a problem both in California and worldwide, present in the environment as a result of both natural processes and human activities. Mercury comes from many sources: it is transported by wind and […]

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Yolo Bypass Symposium part 2: Fish, fowl, and the mercury conundrum

Restoration efforts have succeeded in restoring waterfowl populations in the Yolo Bypass; can the same happen now for fish?  Plus the latest research on methylmercury and wetlands restoration. When the floodwaters flow into the Yolo Bypass in the late winter and early spring in some years, dramatic changes occur. Salmon, splittail, and other native fish species come onto the floodplain […]

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A methylmercury update from the State Water Board

Mercury contamination is a widespread problem, not just locally but also globally, and its serious effects on health are well known.  It is a particular insidious problem as mercury can be a threat to people and wildlife even in areas that don’t look obviously polluted.  Across the country, forty-two states have issued fish consumption warnings due to mercury, and the […]

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