South Fork Feather River

South Fork Feather River
Map
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.
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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.

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)
  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.