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sand by-passing facility. The budget request of $200,000 will allow us to continue public involvement activities and hydraulic and economic studies. We expect to complete preconstruction planning in June 1988.
BARNEGAT INLET, NJ
Construction is scheduled to begin in FY 1985 on a new south jetty, and the dredging of a widened navigation channel. Construction of the project is based on 30% Federal, 70% non-Federal cost-sharing.
PASSAIC RIVER BASIN, NJ & NY
The Passaic River Basin in northern New Jersey and part of New York is the most serious flooding problem area on the east coast. Within 19 miles of mid-town Manhattan, the 935-square-mile basin sustains chronic and persistent flooding problems.
There are 132 municipalities and over 2 million people within the overall basin. Within the floodplain itself, there are 300,000 people and 48,000 structures. In 1983, there were three successive episodes of flooding, and in April 1984 floodwaters caused over a quarter billion dollars in damages. A storm similar to the 1903 flood of record would cause $1.6 billion dollars in damages today.
During the past two years we have completed four interim studies that recommended Federal action on channel modification projects. With the $1,700,000 requested for FY 1986 we will continue the development of detailed plans for flood control on the main stem, complete the Third River Sub-basin interim study, continue the interim study for the Rockaway River Sub-basin and the clearing and snagging substudy for the Passaic, Pampton, Pequannock, and Ramapo Rivers and tributaries.
The largest project would be a 13.6 mile tunnel, 40 feet in diameter, to divert floodwaters from the upper Passaic Basin past critical areas to Clifton, on the Nutley border. It would have two inlets, at Pampton and Little Falls, and would be capable of carrying 12 million gallons per minute. The tunnel would range from 90 to 450 feet underground. This project is now in Phase I Advanced Engineering & Design, and we expect to issue our report by the end of FY 1987.
The State of New Jersey is the local sponsor and has endorsed these recommendations. Last October Governor Kean signed an $18 million bill to cover the non-Federal share of the four interim tributary projects.
RARITAN RIVER BASIN
GREEN BROOK SUB-BASIN, NJ
Another problem area in New Jersey is Green Brook in the Raritan River Basin, where we have a new continuation of planning and engineering effort. A study completed in FY 1981 recommended levees, flood walls, and a number of other measures for flood protection in Union and Middlesex Counties.
At Elizabeth, New Jersey our local protection project is just about finished and it will protect 40,000 residents in a 3.5 square mile area in the city.
ROBINSON'S BRANCH, RAHWAY RIVER BASIN, NJ
We are continuing our planning and engineering for a local flood protection project at the Robinson's Branch of the Rahway River, Rahway, NJ. The recommended plan calls for channel modifications, levees, floodwalls, a bridge replacement, and interior drainage facilities. The budget request of $260,000 will allow us to continue working on the detailed design of the plan. The study is scheduled for completion in March 1987.
WESTCHESTER COUNTY STREAMS, MAMARONECK & SHELDRAKE RIVERS AT MAMARONECK, NY
In New York, the Westchester County Streams Study will continue development of flood control measures along the Mamaroneck and Sheldrake Rivers in the Village of Mamaroneck. The plan of improvement for the Village of Mamaroneck calls for channels on both the Mamaroneck and Sheldrake Rivers, as well as a tunnel diversion for the Sheldrake River. The budget amount of $600,000 will allow us to complete a model of the tunnel and to continue detailed design of various project features. The study is scheduled for completion in July 1988.
SAW MILL RIVER AT ELMSFORD AND GREENBURGH, NY
Elmsford and Greenburgh, NY are located on the Saw Mill River, approximately 9 miles upstream from the junction of the Saw Mill and Hudson Rivers. Funds to initiate planning were appropriated in FY 1977. The project being considered consists of channel improvements and bridge modification. Preconstruction planning is scheduled to be completed in September 1988.
FY 1984 FLOOD DAMAGES AVERTED
The payback on investment for flood damage prevention in the North Atlantic Division has been substantial. In FY 1984, our flood control projects prevented $2.5 billion in damages, including $1 billion averted in the Susquehanna Basin alone, where we have a number of flood control activities.
WYOMING VALLEY, PA
The Phase I study at Wyoming Valley, PA, completed in FY 1982, is under review by the Office of the Secretary of the Army. This study recommends raising the existing levee system five-to-seven feet to protect
against a regional storm having the magnitude of Agnes, which overtopped the system in June 1972. The plan includes measures to mitigate significant damages in upstream and downstream communities due to the levee raising. Initial continuation of planning and engineering funds were provided by the Congress in FY 1984. Planning is continuing in the current year, and the $500,000 requested for FY 1986 will allow us to continue refining the recommended plan of improvement. This planning effort is scheduled to be completed in September 1989.
With budgeted Construction General funds of $2,395,000, we will complete the remedial work to prevent failure of the 14 miles of levees and floodwalls that make up the existing Wyoming Valley flood protection system.
SUSQUEHANNA RIVER BASIN AT HARRISBURG, PA
Since the late 1700's Harrisburg has been flooded 39 times from the Susquehanna River, and flooding from Paxton Creek along the industrial corridor of Harrisburg is now a perennial problem due to increased urbanization. Currently, we are re-evaluating the economics of the proposed floodwall and channel improvements in light of changed conditions that include flood-proofing measures adopted by some industries. With the requested amount of $550,000, we will essentially complete detailed project design as well as economic and environmental studies. These general design studies will be completed August 1987.
LOCK HAVEN, PA
The Lock Haven area has experienced flooding from the West Branch Susquehanna River or Bald Eagle Creek 20 times since the mid-1800's. Our request for $725,000 is for continuing planning and engineering for flood control improvements. The study is scheduled for completion in January 1987.
We have two flood control efforts in Virginia. The Richmond, VA project is a continuation of planning and engineering effort initiated in FY 1984 and scheduled for completion in September 1987. The plan of improvement calls for a system of floodwalls and levees on both sides of the river in the downtown area. The other flood control effort is the VA Beach Streams Canal No. 2 project, which is discussed under New Starts.
GATHRIGHT DAM, VA
We have an ongoing study at Gathright Dam to determine the need to reallocate storage for water supply and to construct power facilities at the existing flood control project located on the Jackson River 19 miles upstream of Covington, Virginia. The dam rises 257 feet above the stream bed to create a 2,500 acre lake containing 124,000 acre-feet of storage at
maximum conservation pool. The project was constructed during the 1970s and is operated at 100% Federal expense for flood control, water quality, and recreation. FY 1985 funds are being used to fund the reconnaissance phase at full Federal expense. The funds requested for FY 1986 will be used to initiate the feasibility phase after cost sharing is implemented. The reconnaissance phase is scheduled for completion in June 1986, and the feasibility study in September 1988.
F.E. WALTER DAM, PA
We are requesting funds for a modification to F.E. Walter Dam that would provide water supply benefits. The dam was built in the 1960's as a flood control project. We would complete preconstruction planning in 1986 to raise the dam 30 feet in order to add 23 billion gallons of water supply storage. The Delaware River Basin Commission is the project's local sponsor. Incidentally, in January 1985, the Commission issued a drought warning for the area, the fourth in the last five years. In 1980-81, there was also a drought emergency with water rationing in many communities. We are requesting $1,556,000 to complete preconstruction planning of the water supply modification.
We have four new construction starts in the budget request.
The first is a local flood protection project at Tamaqua, Pennsylvania. This community, located at the confluence of Wabash Creek and the Little Schuylkill River, has suffered from 8 significant floods since the mid-1800's. The plan of improvement calls for constructing a small dry detention dam across a tributary stream, and constructing a ninefoot diameter tunnel under the Borough that will divert flow from Wabash Creek. Our request for $2,120,000 will allow us to initiate construction of the tunnel.
At Ardsley, New York, we are requesting $480,000 to start building a flood control project comprised of a concrete flume, floodwall, and levees, relocation of an existing channel, removal of a bridge, and floodproofing four structures.
VIRGINIA BEACH STREAMS CANAL NO.2, VA
Our Virginia Beach Streams Canal No. 2 project will provide flood protection to residential and commercial properties. We are requesting $1 million to start building a new 2.6 mile-long canal and to improve an existing 1.1 mile-long canal.
COWANESQUE LAKE, PA
The last new start, at Cowanesque Lake, Pennsylvania, is a modification to reallocate 25,600 acre-feet of flood storage to provide 8.3 billion gallons of water supply storage. This reallocation reduces average annual flood control benefits by less than one-tenth of one percent while furnishing two electric utility companies make-up water for consumptive losses during droughts. The Susquehanna River Basin Commission supports this project. Our request for $500,000 will allow us to initiate construction of expanded recreation facilities.
CHESAPEAKE BAY (SHORELINE EROSION) STUDY, MD & VA
We have just started work in FY 1985 on our Chesapeake Bay Shoreline Erosion Study. Erosion of the 7,300 mile shoreline is destroying property, and sedimentation of the Bay adversely affects navigation, fishing, boating, and biological productivity. We are examining the problem and surveying measures to protect the most critically eroding areas in Maryland and Virginia.
The requested $300,000 is for initiating the feasibility phase. This effort is in keeping with concerns for improving the Chesapeake Bay as a natural resource as expressed by the President in his 1984 State of the Union message, and by the States of Virginia and Maryland.
HYDRILLA IN POTOMAC RIVER
On another front, we are engaged in a battle against hydrilla, a hardy and prolific weed choking parts of the Potomac River. We are studying ways to wipe out the plant, indigenous to the south, without harming the environment.
FAST ROCKAWAY INLET TO ROCKAWAY INLET & JAMAICA BAY, NY
There are a number of coastal activities in the budget. The East Rockaway Inlet to Rockaway Inlet & Jamaica Bay, New York project has been providing beach erosion protection to Rockaway Beach from coastal storms since the initial construction and beach nourishment were completed in 1977. The FY 1986 budget request of $3.6 million will be used to complete the fourth periodic beach nourishment contract to be initiated in May 1986.