My reference list for river flows in the West. Data mainly USGS but may come from a variety of sources.

Canadian gages in italics

State tables

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Reservoirs

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Reservoir Storage
Site States Reservoirs
California Daily Reservoir Storage Summary (CDEC- RES) California Antelope, Beardsley, Black Butte, Cachuma, Camanche, Castaic, Cherry Valley, Davis, Don Pedro, Donnells, Donner, Eastman (Buchanan), Englebright, Folsom, Frenchman, Hensley (Hidden), Hetch Hetchy, Ice House, Independence, Indian Valley, Isabella, Kaweah, Keswick, Lewiston, Loon Lake, McClure (Exchequer), Mendocino (Coyote), Millerton (Friant), New Bullards Bar, New Hogan, New Melones, Nimbus, Oroville, Pardee, Perris, Pine Flat, Pyramid, San Luis, Stampede, Shasta, Success, Trinity, Tulloch, Union Valley, Warm Springs, Whiskeytown
Friends of the Yampa Colorado Adobe, Alsbury, Bear Creek, Blue Mesa, Boulder, Brush Hollow, Buckeye, Carter, Cascade, Chatfield, Cheesman, Cherry Creek, Clear Creek, Continental, Cottonwood Lake, Crawford, Deweese, Douglas, Flatiron, Fruitgrowers, Georgetown, Granby, Grand Lake, Green Mountain, Groundhog, Homestake, Horsetooth, Jackson Gulch, Jefferson, John Martin, Lake Henry, Lemon, Long Hollow, Mary's Lake, Meredith, Mount Elbert, Mountain Home, North Fork, O'Haver, Olympus (Estes), Pinewood, Pearl, Platoro, Pueblo, Rainbow Lake, Red Mesa, Ridgway, Rifle Gap, Rio Grande, Rosemont, Ruedi, Sanchez, Sand Hill, Shadow Mountain, Silver Jack, Skaguay, Steamboat, Vallecito, Vega, Tarryall, Taylor Park, Teller, Terrace, Thurston, Trinidad, Trout, Twin Lakes, Upper Blue, Vouga, Willow Creek, Wolford Mountain, Yamcolo
Northern Water West Slope Water Data - Reservoirs Colorado Granby, Grand Lake, Green Mountain, Shadow Mountain, Willow Creek, Windy Gap
USACE Rio Grande 24-hour summary Colorado John Martin, Platoro, Pueblo, Trinidad
New Mexico Abiquiu, Avalon, Brantley, Caballo, Cochiti, Conchas, El Vado, Elephant Butte, Heron, Jemez Canyon, Navajo, Santa Rosa, Sumner
USBR Upper Colorado Region 40-Day Datasets Arizona Lake Powell
Colorado Blue Mesa, Crystal, Fruitgrowers, Lemon, McPhee, Morrow Point, Paonia, Rifle Gap, Ridgway, Silver Jack, Taylor Park, Vallecito
New Mexico Brantley, Caballo, Elephant Butte, Sumner, Navajo
Utah Causey, Currant Creek. Deer Creek, East Canyon, Echo, Flaming Gorge, Huntington North, Hyrum, Joe's Valley, Jordanelle, Lost Creek, Meeks Cabin, Moon Lake, Newton, Pineview, Red Fleet, Rockport (Wanship), Scofield, Stateline, Strawberry, Starvation, Steinaker, Trial Lake(?), Upper Stillwater, Washington(?), Willard Bay
Wyoming Big Sandy, Eden, Fontenelle, Lost Lake(?)
water-data.com Arizona Lake Powell
Arizona/Nevada Lake Mead
Arizona/California Havasu, Mohave
Colorado Blue Mesa
New Mexico Navajo
Utah Flaming Gorge
USACE Missouri River Basin
Missouri Bagnell (Lake of the Ozarks), Truman
Montana Canyon Ferry, Fort Peck
North Dakota Garrison
South Dakota Oahe, Big Bend, Fort Randall, Gavins Point
USBR Kansas Reservoirs Kansas Cedar Bluff, Cheney, Keith Sebelius (Norton), Kirwin, Lovewell, Waconda, Webster
USBR Montana Reservoirs Montana Canyon Ferry, Clark Canyon, Elwell (Tiber), Fresno, Gibson, Hebgen, Helena Valley, Lima, Nelson, Pishkun, Sherburne, Swift, Willow Creek, Yellowtail (Bighorn)
USBR Nebraska Reservoirs Nebraska Box Butte, Calamus (Virginia Smith), Davis Creek, Enders, Harry Strunk, Hugh Butler, Harlan County, Lake Alice, Little Lake Alice, Merritt, Minatare, Swanson, Winters Creek
USBR North Dakota Reservoirs North Dakota E.A. Patterson, Jamestown, Pipestem, Tschida
USBR Oklahoma Reservoirs Oklahoma Altus, Fort Cobb, Foss, Lake of the Arbuckles, McGee Creek, Thunderbird (Norman), Tom Steed,
USBR SE Oregon Reservoirs Oregon Beulah, Bully Creek, Owyhee, Phillips, Thief Valley, Unity, Warm Springs
USBR South Dakota Reservoirs South Dakota Angostura, Belle Fourche, Deerfield, Pactola, Shadehill
USBR Texas Reservoirs Texas Choke Canyon, Meredith, Nasworthy, Twin Buttes
USBR Wyoming Reservoirs Wyoming Alcova, Anchor, Boysen, Buffalo Bill, Bull Lake, Glendo, Gray Reef, Guernsey, Keyhole, Kortes, Pathfinder, Pilot Butte, Seminoe
Water Data for Texas - Reservoirs Louisiana/Texas Caddo, Toledo Bend
New Mexico Elephant Butte
Oklahoma/Texas Texoma
Texas Abilene, Addicks, Alan Henry, Amistad*, Amon G. Carter, Aquilla, Arlington, Arrowhead, Athens, Austin, B.A. Steinhagen, Bardwell, Barker, Belton, Benbrook, Bob Sandlin, Bonham, Brady Creek, Bridgeport, Brownwood, Buchanan, Canyon, Cedar Creek, Champion Creek, Choke Canyon, Cisco, Coleman, Coleto Creek, Colorado City, Conroe, Corpus Christi, Crook, Cypress Springs, E.V. Spence, Eagle Mountain, Falcon*, Fork (Lake Fork), Fort Phantom Hill, Georgetown, Graham, Granbury, Granger, Grapevine, Greenbelt, Halbert, Hords Creek, Houston, Houston County, Hubbard Creek, Hubert H. Moss, Inks, J.B. Thomas, Jacksonville, Jim Chapman, Joe Pool, Kemp, Kickapoo, Lake O'the Pines, Lavon, Leon, Lewisville, Limestone, Livingston, Lost Creek, Lyndon B. Johnson, Mackenzie, Martin, Medina, Meredith, Millers Creek, Mineral Wells, Monticello, Mountain Creek, Murvaul, Nacogdoches, Nasworthy, Natural Dam, Navarro Mills, New Terrell City, Nocona, North Fork Buffalo Creek, O.C. Fisher, O.H. Ivie, Oak Creek, Palestine, Palo Duro, Palo Pinto, Pat Cleburne, Pat Mayse, Possum Kingdom, Proctor, Ray Hubbard, Ray Roberts, Red Bluff, Richland-Chambers, Sam Rayburn, Somerville, Squaw Creek, Stamford, Stillhouse Hollow, Sulphur Springs, Sweetwater, Tawakoni, Texana, Travis, Twin Buttes, Tyler, Waco, Waxahachie, Weatherford, White River, Whitney, Worth, Wright Patman
East Bay Municipal Utility District California Pardee, Camanche, Briones, Chabot, Lafayette, San Pablo, Upper San Leandro, Salt Springs, Lower Bear
San Diego County Water Authority (updates very infrequently) California Barrett, Cuyamaca, Dixon, El Capitan, Henshaw, Hodges, Jennings, Loveland, Lower Otay, Maerkle, Miramar, Morena, Morro Hill, Murray, Olivenhain, Poway, Ramona, Red Mountain, San Dieguito, San Vicente, Sutherland, Sweetwater, Turner, Wohlford
City of San Diego (updates weekly) California Barrett, El Capitan, Hodges, Miramar, Morena, Murray, Lower Otay, San Vicente, Sutherland
Salt River Project Arizona Bartlett, Horse Mesa, Horseshoe, Mormon Flat, Roosevelt, Stewart Mountain

California reservoirs not covered by RES (Out of date, do not use)

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Data not covered by RES
Region Reservoir CDEC ID Link Plots
North Coast Lake Pillsbury LPY Daily data
Monthly data
Storage
Ruth Reservoir RTD Monthly data
Klamath Basin Clear Lake Reservoir CLK Monthly data
Lake Shastina (Dwinnell) DWN Monthly data
Sacramento Valley - Westside Clear Lake CLA Daily data Storage
East Park Reservoir EPK Hourly data
Monthly data
Storage
Stony Gorge Reservoir STG Hourly data
Monthly data
Storage
Feather River Basin Lake Almanor ALM Daily data Storage
Bucks Lake BCL Daily data Storage
Butt Valley Reservoir BTV Daily data Storage
Little Grass Valley Reservoir LGV Daily data Storage
Mountain Meadows Reservoir MML Daily data Storage
Sly Creek Reservoir SLC Daily data Storage
Yuba and Bear Rivers Bowman Lake BWN Monthly data
Camp Far West Reservoir CFW Daily data (elev only)
Monthly data
Jackson Meadows Reservoir JCK Monthly data
Rollins Reservoir RLL Monthly data
Lake Spaulding BWS Monthly data
American River Basin French Meadows Reservoir FMD Daily data Storage
Hell Hole Reservoir HHL Daily data Storage
San Francisco Bay Area Anderson Lake LRA Monthly data
Briones Reservoir BIO Monthly data
Calaveras Reservoir CVE Monthly data
Lake Chabot CHB Monthly data
Coyote Lake CYC Monthly data
Crystal Springs Reservoir CRY Monthly data
Lake Del Valle DLV Monthly data
Lexington Reservoir LNG Monthly data
Los Vaqueros Reservoir LVQ Monthly data
San Antonio Reservoir SAT Hourly data Storage
Upper San Leandro Reservoir USL Monthly data
San Pablo Reservoir SPB Monthly data
Mokelumne River Salt Springs Reservoir SLS Daily data Storage Outflow
Stanislaus River New Spicer Meadow Reservoir SPM Daily data Storage
Relief Reservoir RLF Daily data Storage
Tuolumne River Lake Eleanor ENR Monthly data
Upper San Joaquin River Bass Lake (Crane Valley Res) CNV Daily data
Monthly data
Florence Lake FLR Daily data
Monthly data
Huntington Lake HNT Daily data
Monthly data
Kerckhoff Dam Daily data
Mammoth Pool Reservoir MPL Daily data
Monthly data
Redinger Lake Daily data
Shaver Lake SHV Daily data
Monthly data
Lake Thomas A. Edison TAE Daily data
Monthly data
Tulare Basin Courtright Reservoir CTG Daily data Storage
Wishon Reservoir WSN Daily data Storage
Eastern Sierra Bridgeport Reservoir BDP Monthly data
Lake Crowley CRW Monthly data
Grant Lake GNT Monthly data
Haiwee Reservoir HWE Monthly data
Lake Tahoe TAH Monthly data
Central Coast Lake Casitas CSI Monthly data
Gibraltar Reservoir GBL Daily data
Monthly data
Storage
Jameson Lake Daily data
Lopez Lake n/a Hourly data Storage
Lake Nacimiento NAC Daily data
Monthly data
Lake San Antonio ATN Daily data
Monthly data
Santa Margarita Lake SLN Daily data
Monthly data
Twitchell Reservoir Daily data Storage
Whale Rock Reservoir WHR Daily data
Monthly data
Greater Los Angeles Area Cogswell Reservoir CGS Monthly data
Irvine Lake SGC Monthly data
Lake Piru PRU Monthly data Storage
San Gabriel Reservoir SGB Monthly data
Inland Empire Big Bear Lake BRV Monthly data
Diamond Valley Lake DMV Daily data Storage
Lake Hemet HMT Monthly data
Lake Mathews MHW Monthly data
Prado Dam PRA Daily data (elev only)
Silverwood Lake SLW Hourly data
Monthly data
Storage Outflow
Lake Skinner SKN Monthly data
Vail Lake Storage
San Diego Area Barrett Lake BRT Monthly data
El Capitan Reservoir ELC Monthly data Storage
Lake Henshaw HNS Monthly data
Lake Hodges HDG Monthly data
Loveland Reservoir LVD Monthly data
Lower Otay Reservoir LOT Monthly data
Morena Lake MOR Monthly data
San Vicente Reservoir SVT Monthly data Storage
Lake Sutherland STD Monthly data
Sweetwater Reservoir SW3 Monthly data

CDEC monthly links have been updated

Need to check daily and realtime links

Northwest Coast

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Washington

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Location Agency Update frequency
Baker River at Concrete USGS 15 minutes
Big Quilcine River below diversion near Quilcine USGS 15 minutes
Calawah River near Forks USGS 15 minutes
Carbon River near Fairfax USGS 15 minutes
Cedar River at Renton USGS 15 minutes
Chehalis River at Porter USGS 15 minutes
Clearwater River near Buckley USGS 15 minutes
Deschutes River at Tumwater USGS 15 minutes
Dungeness River near Sequim USGS 15 minutes
Elwha River at McDonald Bridge near Port Angeles USGS 15 minutes
Green River at Kent USGS 15 minutes
Hoh River near Forks USGS 15 minutes
Hoko River near Sekiu USGS 15 minutes
Humptulips River near Humptulips USGS 15 minutes
Nisqually River at McKenna USGS 15 minutes
Naselle River near Naselle USGS 15 minutes
Nooksack River at Ferndale USGS 15 minutes
Pilchuck River near Snohomish USGS 15 minutes
Puyallup River near Electron USGS 15 minutes
Puyallup River at Puyallup USGS 15 minutes
Queets River near Clearwater USGS 15 minutes
Quinault River at Quinault Lake USGS 15 minutes
Sauk River near Sauk USGS 15 minutes
Skagit River at Newhalem USGS 15 minutes
Skagit River near Mount Vernon USGS 15 minutes
Skokomish River near Potlatch USGS 15 minutes
Skykomish River near Gold Bar USGS 15 minutes
Snohomish River near Monroe USGS 15 minutes
Snoqualmie River near Carnation USGS 15 minutes
Suiattle River near Darrington USGS 15 minutes
Sultan River near Sultan USGS 15 minutes
White River at R Street near Auburn USGS 15 minutes
Willapa River near Willapa USGS 15 minutes

Oregon

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Location Agency Update frequency
Alsea River near Tidewater USGS 15 minutes
Chetco River near Brookings USGS 15 minutes
SF Coquille River at Powers USGS 15 minutes
Cow Creek near Riddle USGS 15 minutes
Illinois River near Kerby USGS 15 minutes
Nehalem River near Foss USGS 15 minutes
Nestucca River near Beaver USGS 15 minutes
Rogue River below Prospect USGS 15 minutes
Rogue River near Agness USGS 15 minutes
Siletz River at Siletz USGS 15 minutes
Siuslaw River near Mapleton USGS 15 minutes
Trask River near Tillamook USGS 15 minutes
Umpqua River near Elkton USGS 15 minutes
N Umpqua River near Toketee Falls USGS 15 minutes
N Umpqua River at Winchester USGS 15 minutes
S Umpqua River near Brockway USGS 15 minutes
Wilson River near Tillamook USGS 15 minutes

California

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North Coast

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Sacramento River system

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Region Station Source Update
frequency
Main Stem &
Floodway System
Sacramento River at Keswick USGS 15 minutes
Sacramento River at Red Bluff USGS 15 minutes
Sacramento River at Butte City CDEC 15 minutes
Sacramento River at Colusa USGS 15 minutes
Sacramento River at Verona USGS 15 minutes
Sacramento River at Freeport CDEC 15 minutes
Sacramento River below Georgiana Slough CDEC 15 minutes
Yolo Bypass near Woodland USGS 15 minutes
Delta Region Delta Outflow CDEC 24 hours
Banks Pumping Plant CDEC 24 hours
Tracy Pumping Plant CDEC 24 hours
Above Shasta Dam Sacramento River at Delta USGS 15 minutes
McCloud River near McCloud CDEC 15 minutes
McCloud River above Shasta Lake CDEC 15 minutes
Pit River near Canby CDEC 1 hour
Pit River near Fall River Mills USGS 15 minutes
Pit River below Lake Britton (Pit 3) CDEC 1 hour
Pit River- South Fork near Likely CDEC 15 minutes
Upper Sacramento
Valley
Battle Creek near Cottonwood USGS 15 minutes
Butte Creek near Chico USGS 15 minutes
Clear Creek near Igo USGS 15 minutes
Cottonwood Creek near Cottonwood USGS 15 minutes
Cow Creek near Millville USGS 15 minutes
Deer Creek near Vina USGS 15 minutes
Mill Creek near Los Molinos USGS 15 minutes
Sacramento Valley-
Lower Westside
Stony Creek near Suwanna Ranch (abv Stony Gorge Res) CDEC 1 hour
Stony Creek near Grizzly Flat CDEC 1 hour
Stony Creek above Black Butte Lake CDEC 1 hour
Stony Creek below Black Butte Dam CDEC 1 hour
Cache Creek - North Fork at Hough Springs CDEC 15 minutes
Cache Creek at Rumsey Bridge CDEC 15 minutes
Cache Creek at Yolo USGS 15 minutes
Putah Creek near Guenoc USGS 15 minutes
Putah Creek near Winters USGS 15 minutes
Feather River
(excl. Yuba)
Feather River- Inflow to Lake Oroville CDEC 1 hour
Feather River below Oroville Dam CDEC 1 hour
Feather River below Thermalito CDEC 1 hour
Feather River at Boyd's Landing CDEC 15 minutes
Feather River above Star Bend CDEC 15 minutes
North Fork below Grizzly Creek CDEC 1 hour
North Fork below Rock Creek Diversion Dam CDEC 1 hour
North Fork near Pulga CDEC 1 hour
Indian Creek below Indian Falls CDEC 15 minutes
Middle Fork near Portola CDEC 15 minutes
West Branch near Magalia CDEC 15 minutes
Bear River below Rollins Dam CDEC 15 minutes
Bear River below Camp Far West Dam CDEC 15 minutes
Bear River near Wheatland USGS 15 minutes
Bear River at Pleasant Grove Rd CDEC 15 minutes
Yuba River Yuba River near Marysville USGS 15 minutes
North Fork below Goodyears Bar USGS 15 minutes
North Fork above Slate Creek (nr Strawberry) CDEC 15 minutes
North Fork above New Bullards Bar Reservoir CDEC 1 hour
North Fork below New Bullards Bar Dam - Total release CDEC 1 hour
Middle Fork below Our House Dam CDEC 1 hour
South Fork at Jones Bar CDEC 1 hour
Deer Creek near Smartsville USGS 15 minutes
American River American River - Inflow to Folsom Lake CDEC 1 hour
American River at Fair Oaks USGS 15 minutes
American River below Folsom Dam CDEC 1 hour
North Fork at Clementine USGS 15 minutes
Middle Fork below Oxbow Powerhouse CDEC 15 minutes
South Fork at Kyburz CDEC 1 hour
South Fork below Chili Bar Dam CDEC 15 minutes

San Joaquin River system

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Location Source Update frequency
Calaveras River above New Hogan Lake CDEC 1 hour
Chowchilla River above Eastman Lake CDEC 1 hour
Chowchilla River below Buchanan Dam CDEC 1 hour
Chowchilla Bypass CDEC 1 hour
Cosumnes River at Michigan Bar USGS 15 minutes
Eastside Bypass below Mariposa Bypass CDEC 1 hour
Eastside Bypass near El Nido CDEC 1 hour
Fresno River above Lake Hensley CDEC 1 hour
Fresno River below Hidden Dam CDEC 1 hour
Fresno River - Lewis Fork near Oakhurst CDEC 1 hour
Merced River at Happy Isles USGS 15 minutes
Merced River at Pohono Bridge USGS 15 minutes
Merced River near Briceburg (abv Lake McClure) CDEC 15 minutes
Merced River below New Exchequer Dam CDEC 24 hours
Merced River below Merced Falls CDEC 1 hour
Merced River near Stevinson CDEC 1 hour
Merced River- South Fork at Wawona CDEC 1 hour
Mokelumne River -North Fork below Salt Springs Dam CDEC 15 minutes
Mokelumne River above Pardee Reservoir CDEC 24 hours
Mokelumne River below Pardee Dam CDEC 1 hour
Mokelumne River below Camanche Dam CDEC 1 hour
San Joaquin River near Auberry CDEC 1 hour
San Joaquin River above Millerton Lake CDEC 24 hours
San Joaquin River below Friant Dam USGS 15 minutes
San Joaquin River near Mendota USGS 15 minutes
San Joaquin River at Gravelly Ford CDEC 1 hour
San Joaquin River near Vernalis USGS 15 minutes
San Joaquin River -Middle Fork near Mammoth Lakes USGS 15 minutes
Stanislaus River at Koetitz Ranch CDEC 15 minutes
Stanislaus River above New Melones Lake CDEC 1 hour
Stanislaus River at Orange Blossom Bridge (abv Oakdale) CDEC 15 minutes
Stanislaus River at Ripon USGS 15 minutes
Stanislaus River - Middle Fork at Kennedy Meadows CDEC 1 hour
Stanislaus River - South Fork near Strawberry CDEC 1 hour
Tuolumne River above Hetch Hetchy Reservoir USGS 15 minutes
Tuolumne River below O'Shaughnessy Dam USGS 15 minutes
Tuolumne River above Early Intake CDEC 15 minutes
Tuolumne River below Early Intake CDEC 15 minutes
Tuolumne River - Middle Fork near Oakland Rec Camp CDEC 15 minutes
Tuolumne River @ Ward's Ferry Bridge above Lake Don Pedro (no flow data) USGS 15 minutes
Tuolumne River at Modesto USGS 15 minutes
Old River at Head CDEC 1 hour

(California Data Exchange Center compiles data from multiple agencies, usually local water districts)

Tulare Basin

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Central Coast & Bay Area

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Southland

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(Organized from North to south)

Colorado River system

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Upper Basin

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Colorado Headwaters

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Tributaries above Blue
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Blue
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Eagle
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Piney
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Roaring Fork
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Tributaries below Roaring Fork
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Gunnison

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Above Gunnison
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Blue Mesa section
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Black Canyon section
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North Fork
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Lower Gunnison
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Green

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Upper Green
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Yampa
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Duchesne
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White
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Lower Green
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San Juan

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Above Navajo Dam
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Animas
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Tributaries below Animas
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Dolores

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Colorado Plateau

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Lower Basin

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Little Colorado

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Grand Canyon

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Virgin

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Gila

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Salt-Verde
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LCRV

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Columbia River system

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Pend Oreille–Clark Fork

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Snake River

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Willamette River

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Great Basin

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Sierra

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Central

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Great Salt Lake

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Other

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Missouri River system

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Upper Missouri

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Yellowstone

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Bighorn

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Platte

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Rio Grande

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New Mexico tributaries

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Pecos

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Global river discharge references

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Snowpack

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