KLAMATH RIVER

KLAMATH RIVER

River Levels Streamgages Weather


Total streamflow across the Klamath River was last observed at 9,149 cfs, and is expected to yield approximately 18,147 acre-ft of water today; about 106% of normal. Average streamflow for this time of year is 8,594 cfs, with recent peaks last observed on 2015-02-08 when daily discharge volume was observed at 257,164 cfs.

Maximum discharge along the river is currently at the Klamath R Nr Klamath Ca reporting a streamflow rate of 3,790 cfs. This is also the highest stage along the Klamath River, with a gauge stage of 8.59 ft at this location. This river is monitored from 6 different streamgauging stations along the Klamath River, the highest being situated at an altitude of 3,967 ft, the Klamath River At Keno.

The Klamath River runs for 257 miles through southern Oregon and northern California, originating in the Cascade Range and emptying into the Pacific Ocean. It has a long history of use by Native American tribes, and later became a hub for the logging and fishing industries. The river's hydrology has been greatly altered by the construction of several dams, including the Iron Gate Dam and Copco Dam, which have impacted salmon populations and water quality. The Klamath Basin also supports agricultural activities, with irrigation districts drawing water from the river to irrigate crops such as alfalfa and potatoes. Recreational activities such as fishing, rafting, and camping are popular along the river.

July 19, 2024

°F

°F

mph

Windspeed

%

Humidity

Last Updated 2024-07-19
Discharge Volume 18,147 ACRE-FT
Streamflow 9,149.0 cfs
-70.0 cfs (-0.76%)
Percent of Normal 106.45%
Maximum 257,164.0 cfs
2015-02-08
Seasonal Avg 8,594 cfs
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Klamath River At Keno
USGS 11509500
611 cfs 4.41 ft 0
Klamath River Blw John C.Boyle Pwrplnt
USGS 11510700
853 cfs 3.73 ft 0
Klamath R Bl Iron Gate Dam Ca
USGS 11516530
895 cfs 1.83 ft 1.13
Klamath R Nr Seiad Valley Ca
USGS 11520500
1100 cfs 1.96 ft -0.9
Klamath R A Orleans
USGS 11523000
1900 cfs 2.68 ft -2.56
Klamath R Nr Klamath Ca
USGS 11530500
3790 cfs 8.59 ft -0.52

Regional Streamflow

299

Cubic Feet Per Second

56

Cubic Feet Per Second

60

Cubic Feet Per Second

895

Cubic Feet Per Second

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Historical River Levels

The Klamath River (Karuk: Ishkêesh, Klamath: Koke, Yurok: Hehlkeek 'We-Roy) flows 257 miles (414 km) through Oregon and northern California in the United States, emptying into the Pacific Ocean. By average discharge, the Klamath is the second largest river in California after the Sacramento River. It drains an extensive watershed of almost 16,000 square miles (41,000 km2) that stretches from the arid country of south-central Oregon to the temperate rainforest of the Pacific coast. Unlike most rivers, the Klamath begins in the high desert and flows toward the mountains – carving its way through the rugged Cascade Range and Klamath Mountains before reaching the sea. The upper basin, today used for farming and ranching, once contained vast freshwater marshes that provided habitat for abundant wildlife, including millions of migratory birds. Most of the lower basin remains wild, with much of it designated wilderness. The watershed is known for this peculiar geography, and the Klamath has been called "a river upside down" by National Geographic magazine.The Klamath is the most important North American river south of the Columbia River for anadromous fish migration. Its salmon, steelhead and rainbow trout have adapted to unusually high water temperatures and acidity levels relative to other rivers in the Pacific Northwest. The numerous fish were a major source of food for Native Americans, who have inhabited the basin for at least 7,000 years. The first Europeans to enter the Klamath River basin were fur trappers for the Hudson's Bay Company in the 1820s; they established the Siskiyou Trail along the Klamath and Trinity rivers into the Sacramento Valley. Within several decades of white settlement, native peoples were forced into reservations. During the latter days of the California Gold Rush, increasing numbers of miners began working the Klamath River and its tributaries, causing considerable harm to the environment. Conflict and introduced diseases left indigenous tribes with only 10% of their original population.
Steamboats operated briefly on the large lakes of the upper basin, contributing to the growth of towns such as Klamath Falls, Oregon, before they were replaced by railroads in the late 19th century. In the 19th and 20th centuries, the upper basin became a productive agricultural region, and many dams were built to provide irrigation and hydroelectricity. In the 1960s, the Klamath River was targeted by much larger, but ultimately unsuccessful schemes to augment water supplies in other parts of California. One of these projects, the Klamath Diversion, would have reversed the entire flow of the Klamath River to supply farms and urban areas in central and southern California.
Today, the Klamath is a popular recreational river as well as an important source of water for agriculture. It includes many of the longest free-flowing stretches of river in California, including excellent stretches of whitewater. However, dams and diversions in the upper basin have often caused water quality issues in the lower half of the river. Environmental groups and native tribes have proposed broad changes to water use in the Klamath Basin, including the removal of some dams on the river to expand fish habitat. They put forth their concerns in what is now the Klamath Basin Restoration Agreement, a water management plan signed by local communities, governments, tribal groups, environmentalists, and fishermen. The proposal has been endorsed by the U.S. Department of the Interior but has not been authorized by the United States Congress.



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