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Status of all investigations for flood control called for by flood control acts
and committee resolutions
Albambra Creek and tributaries, California... Flood Control Act,
Aug. 18, 1941.
Dec. 22, 1944.
Aug. 18, 1941.
Aug. 5, 1939. Eel River, Humboldt County, Calif.... Flood ConrolAct,
June 22, 1936. Guadalupe River and tributaries, California - Flood Control Act,
Aug, 18, 1941. Klamath River and tributaries, Oregon... Flood Control Act,
Aug. 28, 1937. Matadero Creek, Santa Clara County, Calif.. Flood Control Act,
Aug. 18, 1941. Napa River, Calif........
Flood Control Act,
Dec. 22, 1944. Napa River and tributaries, below Suscol, Flood Control Act, Calif.
June 28, 1938. Novato Creek and tributaries, Marin County, Flood Control Act, Calif.
Aug. 18, 1941. Pajaro River Watershed, Calif., for flood con- Flood Control Com. trol, water conservation, and other purposes. mittee resolution,
May 14, 1945. Petaluma Creek and tributaries, Sonoma Flood Control Act, County, Calif.
Aug. 18, 1941. Russian River, Calif.
Flood Control Act,
Aug. 28, 1937. Salinas River, Calif.
do. Salinas River, Monterey County, Calif. Flood Control Act,
June 22, 1936. Salinas River, Calif. (interim report). Flood Control Acts,
June 22, 1936 and
Aug. 28, 1937.
Aug. 18, 1941.
Flood Control Com
May 14, 1945.
June 28, 1938.
Dec. 22, 1944.
IMPROVEMENT OF RIVERS AND HARBORS IN THE
SACRAMENTO, CALIF., DISTRICT This district comprises southern central Oregon, northwestern Nevada, and northwestern and central California embraced in the northern half of the great basin draining toward central Nevada, and the drainage basins of Suisun Bay, the Sacramento and San Joaquin Rivers, and their tributaries, and since September 30, 1943, has included also the area of the former Salt Lake City, Utah, district, namely, a portion of northeastern and central Nevada, all of Utah except the northwestern tip and the southern portion, part of southeastern Idaho, southwestern Wyoming, and the major portion of western Colorado, embraced in the northern portion of the great basin including the Great Salt Lake Basin, and the minor basin between that basin and the Humboldt River Basin.
District engineers: Col. R. C. Hunter, Corps of Engineers, to December 26, 1944; Head Engineer Henry M. Rich, acting district engineer, December 27, 1944, to February 28, 1945; Col. Lester F. Rhodes, Corps of Engineers, since that date.
Division engineer: Col. Edwin C. Kelton, Corps of Engineers, to April 15, 1945; Brig. Gen. Philip G. Bruton, United States Army, since that date.
Page 1. San Joaquin River, Calif.. 2072 | 17. Folsom Reservoir, Sacra2. Stockton and Mormon
mento River Basin, Calif. 2102 Channels (diverting 18. Kaweah and_Tule Rivers, canal), Calif.
including Terminus and 3. Mokelumne River, Calif. 2077 Success Reservoirs, Calif. 2104 4. Sacramento River, Calif.. 2079 19. Lower San Joaquin River 5. Feather River, Calif.-- 2083
and tributaries, includ6. Middle River and connect
ing Tuolumne and Staning channels, Calif.. 2084
islaus Rivers, Calif.--- 2105 7. Suisun Bay Channel, Calif. 2086 20. Sacramento River and trib8. Suisun Channel, Calif.-- 2087
utaries, California, from 9. Old River, Calif.---
Collinsville to Shasta 10. Examinations, surveys,
2107 and contingencies (gen
21. Redmond and
Sevier River, Utah. 2109 11. Plant allotment
22. Snagging and clearing Flood control
under authority of sec. 2 12. Big Dry Creek Reservoir
of the Flood Control Act and Diversion, Calif.-- 2094
approved August 28, 13. Calaveras River and Little
1937, as amended.-- 2110 john Creek and tributa- 23. Emergency flood control ries, including Hogan and
work under authority of
Public Laws Nos. 138
2095 and 318, Seventy-eighth 14. Merced County Stream
2111 Group, Calif.
2097 24. Preliminary examination, 15. Isabella Reservoir, Kern
surveys, and contingenRiver, Calif.
cies for flood control. 2113 16. Kings River and Tulare 25. Other flood-control projLake, including Pine Flat
ects for which no estiReservoir, Calif.
mates are submitted.-- 2114
1. SAN JOAQUIN RIVER, CALIF. Location.-San Joaquin River rises in the Sierra Nevada and flows 317 miles westerly and northerly to Suisun Bay.
Existing project. This provides for a channel 30 feet deep at mean lower low water and for channel-bottom widths of 400 feet below Criminal Point and 225 feet above that point, from the mouth of New York Slough to Mormon Channel at Stockton, a distance of 41 miles (suitably widened at bends and at the entrances to New York Slough and to channels through shoals, with levees set back 230 feet from the center of the channel); for a channel 26 feet deep and 100 feet wide, thence to Edison Street three-fourths miles; for a 9-foot depth, thence to the head of navigation at El Dorado Street, one-half mile; for a 9-foot depth in Fremont Channel and McLeod Lake, arms of Stockton Channel; and for a channel 9 feet deep and 100 feet wide in Mormon Channel from its mouth to Center Street, head of navigation, 1.7 miles. It also provides for suitable passing basins and a turning basin at Stockton; for a triangular-shaped settling basin 30 feet deep and average side length of about 1,000 feet in the San Joaquin River just above its junction with the Stockton deep-water channel and a second settling basin 30 feet deep, 1,200 feet long, and 100 feet wide, adjoining the deep-water channel at the mouth of Calaveras River; for the reconstruction to grade and section of approximately 4,000 feet of levee along the north side of Venice Island Cut, and the setting back of levees where required for the channel improvements; for cutting off sharp bends and making cut-offs in the river; for partial closing of side channels at Laird Slough and Paradise Cut by weirs to confine the low-water flow to one main channel ; and for snagging, removing overhanging trees, and constructing brush wing dams from the mouth of Stockton Channel to Hills Ferry, 86 miles, to facilitate light-draft navigation on this part of the river during higher stages of water. The following table shows the tide and flood conditions prevailing:
San Joaquin River
1 Mean lower low water to mean higher high water.
The estimate of cost for new work, revised in 1945, is $4,011,000. This amount does not include $1,307,500 contributed hy local interests toward the cost of dredging. The latest (1937) approved estimate of annual cost of maintenance is $181,000 during the first year and $111,000 annually thereafter.
The existing project was authorized by the following river and harbor acts:
These acts provided for cutting off sharp bends Aug. 14, 1876 and making cut-offs in San Joaquin River below Mar. 3, 1881 the mouth of Stockton Channel; dredging MorJuly 5, 1884 mon Channel; snagging, removing obstructions, Aug. 11, 1888 and constructing wing dams in San Joaquin July 13, 1892 River from Stockton Channel to Hills Ferry, Aug. 18, 1894 and the partial closing of side channels at Laird June 3, 1896 Slough and Paradise Cut, without adopting any
specific dimensions. June 25, 1910 A 9-foot channel up to Stockton.
H. Doc. No. 1124, 60th Cong., 2d sess. July 25, 1912 Improvement of Fremont Channel and McLeod H. Doc. No. 581, 62d Cong., 2d sess.
Lake, at Stockton.
H. Dọc. No. 554, 68th Cong., 2d sess." Aug. 30, 1935? The original 30-foot channel up to Stockton. Senate Committee Print, 73d Cong.,
1st sess. Aug. 26, 1937 The widened 30-foot channel up to Stockton... Rivers and Harbors Committee Doc.
No. 15, 75th Cong., ist sess.
1 Contains latest published maps.
Local cooperation.—Local interests are required to furnish, free of cost to the United States, suitable areas for the disposal of dredged material during initial construction and future maintenance, and necessary rights-of-way, and shall assume the maintenance of levees. All requirements for work done to date have been fulfilled.
Terminal facilities. There are a number of privately owned river freight warehouses along the river and in the delta region. Freight is handled on the bank, except at and below Antioch, where extensive wharves and warehouses exist. The city of Stockton port terminal has 3,400 linear feet of public wharves served by 32 miles of public belt railroad. All except two oil terminal piers and a 508-foot wharf have transit sheds. In addition to privately operated grain and lumber terminals, a cotton compress and warehouse, a bean-cleaning plant, oil refinery, and storage tanks, a large storage tank for crude molasses, and bank of silos for cement storage, there are numerous publicly and privately owned shallow-draft wharves at Stockton. Certain facilities at the Stockton port terminal are in use for military purposes. A naval supply depot (Stockton Annex), about 50 percent complete, is under construction on Rough and Ready Island, bounded by the Stockton Deep Water Channel on the north side, San Joaquin River on the east side, and Burns Cut-off on the south and west sides. In New York Slough there are 13 wharves, including 1 for deep-sea vessels. One wharf has a spur track and 2 have oil pipe lines. The facilities are considered adequate for existing commerce.
Operations and results during fiscal year-New work.—None.
Maintenance. The 30-foot channel to Stockton was partially restored to project dimensions at the confluence of the main river and Stockton Channel and vicinity by the excavation of 188,000 cubic yards by the pipe line dredge Alamitos under rental contract, at a cost of $12,865.48, including surveys and inspections.
Total cost for the fiscal year was $12,865.48, for maintenance; total expenditures were $7,533.47.
Condition at end of fiscal year.-The existing project was 95 percent complete, the work remaining to be done being the dredging of a 9-foot channel in Mormon Channel to Center Street, Stockton; completion of restoration of levee on north side of Venice Island Cut; and setting back of levees and bringing levees to grade and section where needed. The controlling depth from mouth of the river in Suisun Bay to Mormon Channel, 41 miles, is 29 feet (30-foot depth is being restored); thence to Edison Street, three-quarters of a mile, 22 feet; and thence to head at El Dorado Street, one-half mile, 10 feet. A 3-foot depth is available in Mormon Channel and 7 feet in Fremont Channel and McLeod Lake.
The river, from its junction with Stockton Channel to Hills Ferry, usually has a controlling depth of 4 feet from April to June, inclusive. Navigation in this section above the San Joaquin bridge (Southern Pacific R. R. crossing) is impracticable in the low stages after June. All depths are referred to mean lower low water.
The costs have been as follows:
The total expenditures were $5,524,531.90, including $1,158,347.99 from Public Works funds, of which $207,197.64 was for the 30-foot channel in Suisun Bay. In addition, $1,307,500 was expended from contributed funds for new work and $1,250 for maintenance.
Proposed operations. The balance unexpended June 30, 1945, amounting to $143,170.39, and an additional allotment to be made will be applied as follows: Accounts payable
$6, 157. 73
Dredging 9-foot channel in Stockton Channel, above Edison
St., in Mormon and Fremont Channels and McLeod Lake,
Joaquin River below the mouth of Stockton Channel, total
preparation of spoil areas), July 1945
mouth of river to Mile 23 by Government hopper dredge
under additional allotment)
by hired labor and Government plant, August 1945----