Flood damage reduction provided by the current plan would require unrealistic operation of Ross Barnett Reservoir. Releases are based on rainfall forecast data. If events do not occur as forecast, lake levels could be severly impacted Reservoir operation required with this plan would also likely aggravate downstream bank caving Proposed flood control channel is not large enough to provide complete protection to Jackson metropolitan area. The proposed plan would only provide protection to about one-half the area Downstream flooding may increase The extensive channel modifications could result in channel instability which could also extend up tributaries of the Pearl River Channel excavation and inundation of sandbar habitat would adversely impact the threatened ringed sawback turtle Existing Corps levees would be adversely impacted as a result of water permanently ponded against the levee toe Extensive development of the flood plain could conflict with Executive Order 11988. Corps policy emphasizes formulation of projects which reduce flood damages to existing development and do not promote development of flood plains and natural areas Extensive clearing of wetlands would conflict with Executive Order 11990. Corps policy requires "no net loss" of wetland functional value The plan requires the clearing of over 3,000 acres of wetlands and bottom-land hardwoods. Fish and wildlife mitigation requirements cost could be prohibitive At least two sites eligible for inclusion or already listed in the National Register of Historic Places would be impacted The lower weir appears to be located in the vicinity of a former sanitary landfill. Potential hazardous, toxic, and radiological waste problems could be encountered Congressional authority may be required for the weirs across the Pearl River
Flood damage reduction provided by the current plan would require unrealistic operation of Ross Barnett Reservoir. Releases are based on rainfall forecast data. If events do not occur as forecast, lake levels could be severly impacted
Reservoir operation required with this plan would also likely aggravate downstream bank caving
Proposed flood control channel is not large enough to provide complete protection to Jackson metropolitan area. The proposed plan would only provide protection to about one-half the area
Downstream flooding may increase
The extensive channel modifications could result in channel instability which could also extend up tributaries of the Pearl River
Channel excavation and inundation of sandbar habitat would adversely impact the threatened ringed sawback turtle
Existing Corps levees would be adversely impacted as a result of water permanently ponded against the levee toe
Extensive development of the flood plain could conflict with Executive Order 11988. Corps policy emphasizes formulation of projects which reduce flood damages to existing development and do not promote development of flood plains and natural areas
Extensive clearing of wetlands would conflict with Executive Order 11990. Corps policy requires "no net loss" of wetland functional value
The plan requires the clearing of over 3,000 acres of wetlands and bottom-land hardwoods. Fish and wildlife mitigation requirements cost could be prohibitive
At least two sites eligible for inclusion or already listed in the National Register of Historic Places would be impacted
The lower weir appears to be located in the vicinity of a former sanitary landfill. Potential hazardous, toxic, and radiological waste problems could be encountered
Congressional authority may be required for the weirs across the Pearl River