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Biologists, irrigators empty Tule Lake to improve habitat, fight disease

Dry Sump 1A

Tule Lake Sump 1A is mostly dry on June 11, 2021, after most of its water was drained to Sump 1B to try and prevent the spread of botulism. Eventually, refuge managers will try to refill Sump 1A and create a better environment for waterfowl.

TULELAKE — Once spanning 100,000 acres at the foot of the Medicine Lake Volcano, it’s unlikely that Tule Lake has been as low as it is now for millions of years.

What used to be a massive network of open water and fringe wetlands is now essentially a giant mud puddle, spelling trouble for migratory birds that have used it as a rest stop for thousands of years.

Tule Lake National Wildlife Refuge map

A map of the four sumps of Tule Lake National Wildlife Refuge.

Sump 1A

Waterfowl fly over Tule Lake Sump 1A. Sump 1A is being drained to try and prevent the spread of botulism. Eventually, it will be refilled to create a food supply and better environment for waterfowl.

Sump 1B

In this photo from June, Tule Lake Sump 1B had plenty of water after it was moved from across the refuge. By August the sump was dangerously low.

Tulelake Irrigation District office map

A map in the Tulelake Irrigation District office shows the breakout of what is being grown in each field in the district. Orange shows non-irrigated land. 

John Crawford

Farmer John Crawford looks out over his field located in the Tule Lake National Wildlife Refuge. "This is my only field of grain," he said. With little water available to use, farmers had to make hard choices about how much of each crop they could plant.

Tulelake Irrigation District office

A sign in the Tulelake Irrigation District office reads "Whiskey is for drinking and water is for fighting over."