Sutter Basin#Sutter Bypass
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| region = Lower Feather Watershed
| state = California
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The Sutter Basin is a {{convert|264|sqmi|km2|abbr=on}}{{cite book|title=Engineering and Contracting|date=1913|volume=39|publisher=Gillette Publishing Company|url=https://books.google.com/books?id=VKjmAAAAMAAJ&pg=PA404|page=404|accessdate=2015-08-25}} area of the Sacramento Valley in the U.S. state of California, and is part of the Feather River drainage basin. The basin includes the Sutter Basin Fire Protection District of ~{{Convert|127|sqmi|km2|abbr=on}}{{cite web|url=http://ceres.ca.gov/planning/genplan/sutter/services1.html|archive-url=https://web.archive.org/web/19991011231115/http://ceres.ca.gov/planning/genplan/sutter/services1.html|archive-date=1999-10-11|url-status=dead|title=Services1|accessdate=2015-08-25}} and uses irrigation from the Thermalito Afterbay's Sutter-Butte Canal.{{Cite web |title=Exhibit A: Project Description |url=http://www.water.ca.gov/orovillerelicensing/docs/app_ferc_license_2005/Vol_I_Exhibit%20A.pdf |publisher=CA Department of Water Resources |accessdate=2010-10-17}} The Feather River and the Sutter By-Pass are the basin's east and southwest borders.
{{anchor|Sutter_Bypass}}
Sutter Bypass
The Sutter Bypass is a leveed channel of the Lower Sacramento Valley Flood-Control System along the southwest portion of the Sutter Basin.{{Cite gnis|233372|Sutter By-Pass (GNIS code 233372)|accessdate=2010-10-06}} The bypass allows channeling of escapement flow from the Tisdale Weir near the Sutter Buttes to the Feather River at {{coord|38.885421|N|121.614532|W|region:US-CA_type:river}}. During Sacramento River flows of >{{convert|23000|cuft/s|m3/s|abbr=on}}, Sacramento overflow tops the {{Convert|53|ft|m|abbr=on}} Tisdale Weir{{cite web|url=http://water.weather.gov/ahps2/hydrograph.php?wfo=sto&gage=tisc1&rssDate=1274077800|title=National Weather Service Advanced Hydrologic Prediction Service|publisher=water.weather.gov|accessdate=2015-08-25}} and flows via the Sutter Bypass{{Cite web|url=http://waterdata.usgs.gov/nwis/annual/?referred_module=sw&site_no=11425000&por_11425000_2=2209699,00060,2,1942,1983&year_type=W&format=html_table&date_format=YYYY-MM-DD&rdb_compression=file&submitted_form=parameter_selection_list|title=USGS Gage #11425000 on the Feather River near Nicolaus |publisher=United States Geological Survey|work=National Water Information System |date=1944–1983|accessdate=2010-09-08}}[outdated source]{{Cite web|url=http://wdr.water.usgs.gov/wy2009/pdfs/11390500.2009.pdf|title=USGS Gage #11390500 on the Sacramento River below Wilkins Slough, near Grimes, California: Water-Data Report 2009|publisher=United States Geological Survey|work=National Water Information System|year=2009|accessdate=2010-08-25}} to Feather River mile 7{{Cite web|title=Section 2: Proposed Action and Alternatives |work=Final Environmental Impact Statement for the Oroville Facilities Project |url=http://www.buttecounty.net/Administration/Projects/~/media/County%20Files/AdminOffice/Public%20Internet/Lake%20Oroville%20Facilities%20Project/Final%20FEIS/Section%202%20FEIS.ashx |publisher=Federal Energy Regulatory Commission |page=17 |accessdate=2010-09-15}} NOTE: Pumpback returns Feather River water back to Lake Oroville during off-peak periods when external California Edison Company (SCE) power is inexpensive, allowing subsequent hydroelectric generation (6-7% of Hyatt total) during peak (higher price) periods.{{Rp|3–55}} (the west levee of the bypass continues along the Feather River to the Sacramento River).{{Cite web |last=Singer |first=Michael Bliss|title=Status of the Lower Sacramento Valley Flood-Control System within the Context of Its Natural Geomorphic Setting |url=http://www.icess.ucsb.edu/~bliss/singer_etal_nhr.pdf |publisher=UCSB.edu |accessdate=2010-10-12 |quote=A large volume of the sediments from the Feather River have been permanently deposited in the lower 13 km of Sutter Bypass with which that river is coincident and a large secondary delta has been built up at the northerly end|display-authors=etal}}
The bypass also receives similar Sacramento escapement flow from the Colusa Weir, and the Snake River, Gilsizer Slough, Wadsworth Canal, and other west side watercourses of the Lower Feather Watershed also drain to the Feather River via the Sutter Bypass,{{Cite web |title=9.6 Water Resources |url=http://ceres.ca.gov/planning/genplan/sutter/natural5.html |work=TBD |publisher=CERES.CA.gov |accessdate=2010-10-13 |quote=The Bypass starts north of Pass Road, westerly of the Sutter Buttes and generally goes in a south-southeast direction for about 27 miles}} The bypass includes {{Convert|3.24|sqmi|km2|abbr=on}} of the Sutter National Wildlife Refuge,{{Cite web |title=Welcome to the National Wildlife Refuge System |url=http://www.fws.gov/refuges/ |publisher=FWS.gov |accessdate=2010-10-07}}
- {{Cite web |title=Sutter National Wildlife Refuge |url=http://www.fws.gov/sacramentovalleyrefuges/r_sutter.html |work=Areas of Interest |accessdate=2010-10-07 |quote=Habitat: 2,591 acres {{sic|comprised |hide=y|of}} seasonal marsh, permanent ponds, and uplands.}}
- {{Cite web |title=Sutter National Wildlife Refuge |url=http://www.fws.gov/Refuges/profiles/index.cfm?id=81623 |work=Profiles |accessdate=2010-10-07 |quote=About 80 percent of the refuge is located in the Sutter Bypass}} which is part of California's ~{{Convert|5.00|sqmi|km2|abbr=on}} Sutter Bypass Wildlife Area.{{Cite web |title=Sutter Bypass Wildlife Area – Sutter County |url=http://www.dfg.ca.gov/lands/wa/region2/sutterbypass.html |publisher=California Department of Fish and Game |accessdate=2010-10-07}} ([http://www.dfg.ca.gov/lands/wa/region2/docs/sutterbypass/SutterBypassWA.pdf map of area])