South Fork Feather River

Summary

The South Fork Feather River is a Lake Oroville tributary in the south portion of the Middle Fork Feather Watershed which drains several reservoirs including Little Grass Valley Reservoir.

South Fork Feather River
Location
CountryUnited States
StateCalifornia
RegionMiddle Fork Feather Watershed
Physical characteristics
MouthPonderosa ReservoirA
 • location
Butte County
Basin size116 sq mi (300 km2).[1]
Discharge 
 • locationEnterprise
 • average305 cu ft/s (8.6 m3/s)
 • minimum0.5 cu ft/s (0.014 m3/s)
 • maximum19,200 cu ft/s (540 m3/s)
APrior to Oroville Dam construction, the South Fork flowed to the Middle Fork Feather River.
Course of the South Fork Feather River & Lake Oroville South Arm
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description coordinates
headwaters headpoint, Pilot Peak 39°47′00″N 120°52′08″W / 39.783213°N 120.868793°W / 39.783213; -120.868793 (Pilot Peak)

39°46′48″N 120°52′26″W / 39.7798938°N 120.8738388°W / 39.7798938; -120.8738388
South Fork source, SSW of peak
road, La Porte
South Fork
in Little Grass Valley Reservoir
inflow, reservoir 39°44′48″N 120°58′09″W / 39.74653°N 120.969172°W / 39.74653; -120.969172 (reservoir)
confluence, Black Rock Creek
inflow, diversion from Slate Creek[2]: 38  [specify]
confluence, Tooms Creek
dam, Little Grass Valley[3] 39°43′30″N 121°01′12″W / 39.725013°N 121.020112°W / 39.725013; -121.020112
South Fork border, Plumas/Butte counties [specify]
confluence, Post Creek 39°46′48″N 120°52′26″W / 39.7798938°N 120.8738388°W / 39.7798938; -120.8738388 (Post Creek confluence)
dam, South Fork Diversion 63-004 39°38′55″N 121°07′06″W / 39.648658°N 121.118431°W / 39.648658; -121.118431 (South Fork Diversion dam)
confluence, Rock Creek 39°37′13″N 121°08′29″W / 39.620268°N 121.141434°W / 39.620268; -121.141434 (Rock Creek confluence)
confluence, Know-nothing Creek 39°35′07″N 121°10′17″W / 39.585252°N 121.171303°W / 39.585252; -121.171303 (Know-nothing Creek confluence)
confluence, Lost Creek 39°33′50″N 121°11′25″W / 39.563816°N 121.190186°W / 39.563816; -121.190186 (Lost Creek confluence)
dam 39°33′06″N 121°12′36″W / 39.551574°N 121.210055°W / 39.551574; -121.210055 (dam)
confluence, Oroleve Creek 39°32′55″N 121°12′58″W / 39.548563°N 121.215978°W / 39.548563; -121.215978 (Oroleve Creek confluence)
dam 39°32′18″N 121°15′04″W / 39.538453°N 121.25105°W / 39.538453; -121.25105 (dam)

39°32′55″N 121°16′39″W / 39.54861°N 121.27750°W / 39.54861; -121.27750
Ponderosa
Reservoir &
Lake Oroville
South Arm
mouth, South F @ Ponderosa Reservoir
dam, Ponderosa Reservoir 39°32′57″N 121°18′13″W / 39.54925°N 121.303482°W / 39.54925; -121.303482 (Ponderosa Reservoir)
road, Ponderosa Way 39°32′58″N 121°18′13″W / 39.549572°N 121.303568°W / 39.549572; -121.303568 (Ponderosa Way crossing)
inflow, L Oroville South Arm 39°33′00″N 121°18′17″W / 39.550126°N 121.304641°W / 39.550126; -121.304641 (Lake Oroville inflow)
confluence, Sucker Run 39°33′00″N 121°18′42″W / 39.549953°N 121.311765°W / 39.549953; -121.311765 (Sucker Run confluence)
road, Lumpkin 39°32′11″N 121°20′23″W / 39.536483°N 121.339746°W / 39.536483; -121.339746 (Lumpkin Road crossing)
channel @ Enterprise Boat Ramp (BR)
former town, Enterprise

confluence, Powell Creek

39°32′11″N 121°21′51″W / 39.53639°N 121.36417°W / 39.53639; -121.36417 (Enterprise, California)
channel @ Stringtown Car-Top BR

39°33′5″N 121°25′20″W / 39.55139°N 121.42222°W / 39.55139; -121.42222
former
Feather
River
(prior
to Lake
Oroville)
mouth (former), South F w/ Middle F
outflow, Lake Oroville East Arm

road, Olive Hwy (CA 162)
inflow, Lake Oroville Main Basin

39°33′01″N 121°25′48″W / 39.550317°N 121.430082°W / 39.550317; -121.430082 (Lake Oroville East Arm to Main Basin)
former confluence, North F w/ Feather r 39°33′20″N 121°28′0″W / 39.55556°N 121.46667°W / 39.55556; -121.46667 (former confluence with North Fork)

See also edit

References edit

  1. ^ George, Holly; et al. "Upper Feather River Watershed (UFRW) Irrigation Discharge Management Program" (PDF). University of California. Archived from the original (PDF) on 2010-06-12. Retrieved 2010-09-07.
  2. ^ "Archived copy". Archived from the original on 2011-07-21. Retrieved 2010-09-27.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ Peterson, Kathy (April 18, 2007). "letter & report" (PDF). Retrieved 2010-09-24.