In a rapid chain of events in early February, powerful storms eroded the reservoir’s main flood control spillway ... evacuations in Butte County. The erosion of the two spillways dumped an ...

The result was severe erosion at the base of the spillway, along with “severe ... and state partners typically pick up costs for flood control upgrades. It remains to be seen if the water ...

The request was rejected, and when the emergency spillway was first used in February, rapid erosion of the hillside ... emergency spillway or another flood control spillway. Current construction ...

Kiewit will also build a vertical concrete cutoff wall, parallel to the emergency spillway and about 600 feet downstream, intended as an erosion-control measure. In a followup contract next year ...

The slope suffers serious erosion, again potentially threatening the ... appearance of "apparently competent" bedrock exposed at the top of the spillway adjacent to the massive control structure that ...

The flood-control spillway at Oroville Dam is in use Tuesday ... Thousands of people were ordered to evacuate as officials spotted severe erosion on the emergency spillway. At the time, officials ...

The main spillway work was divided into two phases ... 10), rebuilt two sections of reinforced structural erosion-control concrete in an 870-ft-long upper chute section and a 350-ft-long lower ...

ONE of the effects of the recent world depression has been to focus attention on problems of soil erosion. This has been the case particularly in the United States of America. The preceding years ...

Per the City Stormwater Ordinance, this plan shall be prepared to the most current New York State Standards and Specifications for Erosion and Sediment Control. For projects not requiring the ...