Oregon farmer converts barley farm into wetland refuge for endangered fish
Built World70-acre project near Klamath Falls draws 140 bird species and raises rare suckers
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Overview
Updated 1 hour agoIn 2021, Karl Wenner, a co-owner of Lakeside Farms near Klamath Falls, Oregon, bulldozed 70 of his 400 acres of barley fields into a wetland. Four years later it hosts at least 140 bird species and has successfully raised federally endangered suckers to adulthood.
The project was built to solve a phosphorus pollution problem: the farm's spring-fed runoff was exceeding state limits for Upper Klamath Lake. Instead of treating the water, he turned it into habitat. The wetland now acts as a natural filter, soaking up nutrients while providing sanctuary for migrating waterfowl and rearing ground for c'waam and koptu, two sucker species sacred to the Klamath Tribes.
Why it matters
This wetland proves that converting farmland to marsh can clean polluted water and help endangered fish survive to adulthood.
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People Involved
Organizations Involved
A barley farm near Upper Klamath Lake that now integrates wetland restoration into its rotating crop cycle.
Provides permits and technical support for the endangered fish experiment at Lakeside Farms.
Timeline
January 2017 September 2026
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Story goes viral on Reddit
Latest MediaA Reddit post in r/UpliftingNews shares the story, bringing national attention to the project.
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Adult suckers recovered
MilestonePartial drainage of the wetland reveals 50 adult suckers, up to 16 inches long, some of breeding age.
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Guardian feature story
MediaThe Guardian highlights the farm-to-wetland conversion and its wildlife abundance.
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OPB reports on project
MediaOregon Public Broadcasting details the wetland's role in nutrient filtration and fish habitat.
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Sucker juveniles stocked
ConservationNearly 5,500 young Lost River and shortnose suckers are introduced to the wetland pond.
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Wetland construction begins
Infrastructure70 acres of barley fields are flattened, diked, and flooded with spring water, creating marshes with nesting islands.
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Wenner buys into Lakeside Farms
OwnershipOrthopedic surgeon Karl Wenner purchases a stake in the barley farm, initially for duck hunting.
Historical Context
2 moments from history that rhyme with this story — and how they unfolded.
Klamath River dam removal (2023-2024)
Four aging hydroelectric dams on the Klamath River were removed—the largest dam removal project in U.S. history—reopening 400 miles of habitat for salmon and steelhead.
Salmon returned to historic spawning grounds within months; water quality improved.
Set a precedent for large-scale river restoration and tribal co-management of waterways.
The dam removal and Lakeside Farms wetland are parallel parts of the Klamath Basin's ecological recovery, showing that both river and floodplain restoration are needed to revive native fish and bird populations.
Everglades restoration agricultural buffers (1990s–present)
Florida's Everglades, long polluted by agricultural runoff, saw the creation of vast stormwater treatment areas and buffer wetlands. These natural filters absorb phosphorus and nitrogen before water enters sensitive ecosystems.
Reduced phosphorus loads in the Everglades, though recovery remains incomplete.
Established 'treatment wetlands' as a standard tool for managing agricultural pollution at scale.
Lakeside Farms applies the same principle on a much smaller scale, demonstrating that even a 70-acre wetland can measurably improve water quality and support endangered species.
