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Dam decommissioning in France
When Dams become old In western and northern Europe an estimated minimum of ten thousands or more dams higher then approx. 3 m ... protection, etc.). One has to deal today with small to medium size dams (even though according to international criteria all dams higher than 15 meters are considered as " large "). Since most of the ...
rivernet.org

Ecology of Lakes and Ponds for Anglers
Primarily, water leaves the lake by either outflow into streams (or below dams), seepage into the ground, or (biggest loss usually) by evaporation into the air. In areas ... (ex. brook trout) and a small landlocked variety of the sockeye salmon called the Kokanee. Higher up the food chain on Tier 5 are the larger trouts such as brown, rainbow ...
www.combat-fishing.com

COPA - PCBs and Superfund in Bloomington, Indiana
'We had whole trees, big branches ... up in fish tissue, where they can reach levels thousands of times higher than the levels in water. PCBs in fish average 13 parts ... of the Spokane River between the Nine Mile and Long Lake dams. Jordan is president of the Lake Spokane Protection Association, a group ...
www.copa.org

Ministry of Environment - Water Stewardship Division - Dams in B.C.
In British Columbia, these dams are usually situated at the higher elevations so as to use gravity for distribution and to gain benefit from the plentiful rainfall and snowmelt. Many of these dams are located above major population ...
www.env.gov.bc.ca

Locks and Dams | Kid's Stuff | Educator and Student Resources | Gulf of Mexico Program | US EPA
Program Educator and Student Resources Kid's Stuff Locks and Dams Locks and Dams Dams are built on shallow rivers to hold back water and ... are maintained at a constant minimum water depth of 9 feet. Dams make it necessary for river vessels to use a series of locks ... the filling valve is closed, and the drain valve is opened. The higher water in the lock chamber drains to the downstream level within ...
epa.gov

Water price rise, logging ban near dams urged
Water price rise, logging ban near dams urged Water price rise, logging ban near dams urged Richard Baker, The Age (article), April 23 2002 Back to Letters Back to Forest ... urged to consider a new water pricing initiative. This would lead to water charges being higher in times of peak demand such as summer. The report is believed to contain a ...
lexicon.net

Fish & Wildlife Dams of Wisconsin
Dams for 1995-1996.Stream and River data are from U.S.G.S. 1:100000 Digital Line Graphs. Watershed Data are from U.S.G.S. The following higher resolution ...
www.ncrs.fs.fed.us

Storage Amounts for Dams in Wisconsin
This map displays storage amounts (acre-feet) for dams in Wisconsin. Dams data derived from Federal Emergency Management Agency's National Inventory of Dams from 1995-1996. River and stream data are from U.S.G.S. 1:100000 Digital Line Graphs. Watershed data are from U.S.G.S. The following higher resolution ...
www.ncrs.fs.fed.us More from this site

Idaho Rivers United - Conservation and restoration of streams, riparian areas, salmon and steelhead
As dams alter water levels, they pose a threat to riparian life along rivers. The ... storage, irrigation, and energy generation before new dams are constructed in Idaho. In addition, we encourage the re-licensing of existing hydropower dams to ensure higher water quality standards, better flows, and ...
idahorivers.org

dams blog
Dams blog News articles on Dams Weekly Newsletter | | Other topics News articles on Dams Mongabay.com news articles on dams in blog format. Updated regularly. Three American mussel species lost to extinction(8 ... in Taiwan, calculate that sea levels would be 30 mm (1.2 inches) higher without water stored behind dams. Controversial dam in the Amazon gets Brazilian go-ahead(12/11/2007) The ...
mongabay.com