KBMP Vision

The Klamath Basin Monitoring Program facilitates the coordination and implementation of water quality monitoring in support of the stewardship, protection, and restoration of all beneficial uses within the Klamath River watershed, with the ultimate goal of restoring water quality. Learn More

Blue-Green Algae Map

BGA Tracker 201701228

BGA Tracker-

The Klamath River from Weitchpec to Tully Creek is currently posted

Fish Health

 Readiness Level

 Green fish

All Rivers- Green
Learn more about fish health and KFHAT

Blue-Green Algae Tracker

Blue-Green Algae Tracker

In the Klamath Basin blue-green algae blooms typically occur between June and October when temperatures rise and water conditions are favorable for algal growth. Blue-green algae monitoring typically occurs May - November. If river conditions exceed public health standards for toxic algae the area is posted with a health advisory sign.
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BGA Tracker Interactive Map    

 BGA Tracker 201701228

Updated Posting Status

OR Advisory Red2 Posting Lifted- December 28, 2017- Copco Reservoir - Sample results for microcystin collected on 12/11/17 were below the State of California’s trigger levels and meets the de-posting criteria. As of 12/28/17, the health advisory for Copco Reservoir has been lifted and posted signs at public access points should be removed.

OR Advisory Red2 Posting Lifted- November 17, 2017- Iron Gate Reservoir - Sample results for microcystin collected on 12/11/17 were below the State of California’s trigger levels and meets the de-posting criteria. As of 12/28/17, the health advisory for Iron Gate Reservoir has been lifted and posted signs at public access points should be removed.

OR Advisory Red2 Posting Lifted- November 17, 2017- Klamath River from Iron Gate to Brown Bear - Sample results for microcystin collected on 12/11/17 were below the State of California’s trigger levels and meets the de-posting criteria. As of 12/28/17, the health advisory for the Klamath River from Iron Gate Reservoir to Brown Bear has been lifted and posted signs at public access points should be removed.

OR Advisory Red2 Posting Lifted- November 17, 2017- Upper Klamath Lake - A health advisory issued by the Oregon Health Authority on July 28th for Upper Klamath Lake has been lifted due to reduced concentrations blue-green algae associated toxins (microcystin). Sample results collected on October 27th, 2017 no longer exceed the State of Oregon's Recommended Threshold for Recreational Waters for harmful algae blooms but caution is still recommended for small children and pets.

OR Advisory Red2 Posting Lifted- November 2, 2017- Agency Lake -health advisory issued by the Oregon Health Authority on August 7th for Agency Lake has been lifted due to reduced concentrations blue-green algae associated toxins (microcystin). Sample results collected on October 23rd, 2017 no longer exceed the State of Oregon's Recommended Threshold for Recreational Waters for harmful algae blooms but caution is still recommended for small children and pets.

OR Advisory Red2 Posting Lifted- November 2, 2017- Link and Klamath Rivers to Keno Dam - A health advisory issued by the Oregon Health Authority on October 9th for the Link and Klamath Rivers to Keno Dam has been lifted due to reduced concentrations of blue-green algae associated toxins (microcystin). Sample results collected on October 10th, 2017 no longer exceed the State of Oregon's Recommended Threshold for Recreational Waters for harmful algae blooms but caution is still recommended for small children and pets.

OR Advisory Red2 Posting Lifted- November 2, 2017- J.C. Boyle Reservoir - A health advisory previously issued by the Oregon Health Authority on October 9th for the JC Boyle Reservoir has been lifted due to reduced concentrations of blue-green algae associated toxins (microcystin). Sample results collected on October 18th, 2017 no longer exceed the State of Oregon's Recommended Threshold for Recreational Waters for harmful algae blooms but caution is still recommended for small children and pets. 

Yurok No Detection Posting Lifted- October 19th, 2017- Klamath River from Brown Bear to Weitchpec- Sample results for microcystin collected on 10/11/17 between the Klamath River at Brown Bear downstream to Weitchpec are below the State of California’s trigger levels and meets the de-posting criteria. As of 10/19/17, the health advisory for these reaches have been lifted and posted signs at public access points should be removed.

Yurok Caution October 18, 2017- Klamath River from Weitchpec to Tully Creek- The sample results collected on October 11th, 2017 in the Klamath River at Weitchpec did not detect the cyanobacterial toxin microcystin. This reach has been downgraded from the Yurok Tribe’s “Level 2” to the “Caution” Threshold for Recreational Waters for harmful algae blooms. All access points on the Klamath River from Weitchpec to Tully Creek remain posted with health advisory signs.

Yurok No Detection Posting Lifted- October 18, 2017- Klamath River from Tully Creek to Lower Estuary- The sample results collected on October 10th, 2017 in the Klamath River at multiple locations did not detect cyanobacterial toxin microcystin. This reach has been deposted. All access points on the Klamath River from Tully Creek to the lower estuary will have health advisory signs removed.

 

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About the Tracker

The BGA Tracker Map was built to inform the public and research community regarding river conditions. The Tracker utilizes current information to track  and map the blue-green algae blooms throughout the Klamath Basin. The Blue-Green Algae Tracker identifies blue-green algae public health threats  (i.e. exceeds health thresholds identified in the appropriate guidance) by river reaches bounded by public health monitoring locations.

River reaches which exceed applicable criteria for public health are indicated by different colors on the map that vary depending on the number of tiers within each jurisdiction's advisory thresholds. Advisory colors within the map are:                 

Oregon           

California       

Yurok Tribe     

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Blue-green Algae Official Notifications

Other Information

 

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