County | WRIA Number | Site | Collect Date | Parameter | Toxin Conc. (µg/L) | MDL (µg/L) | Above State Guideline | Additional Information | Sample Location | Ecology Tracking Number |
Stevens | 59 | Keogh Lake | 11/08/2023 | Microcystin | 527.000 | 0.150 | Yes | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_444 |
Stevens | 59 | Keogh Lake | 10/17/2023 | Microcystin | 19.500 | 0.150 | Yes | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_381 |
Stevens | 59 | Keogh Lake | 10/03/2023 | Microcystin | 10.000 | 0.150 | Yes | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_339 |
Stevens | 59 | Keogh Lake | 09/19/2023 | Microcystin | 10.000 | 0.150 | Yes | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_301 |
Stevens | 59 | Keogh Lake | 09/05/2023 | Microcystin | 10.000 | 0.150 | Yes | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_242 |
Stevens | 59 | Keogh Lake | 09/05/2023 | Microcystin | 0.213 | 0.150 | No | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_245 |
Stevens | 59 | Keogh Lake | 08/22/2023 | Anatoxin-a | <MDL | 0.010 | No | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_217 |
Stevens | 59 | Keogh Lake | 08/22/2023 | Cylindrospermopsin | <MDL | 0.025 | No | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_217 |
Stevens | 59 | Keogh Lake | 08/22/2023 | Microcystin | 10.000 | 0.150 | Yes | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_217 |
Stevens | 59 | Keogh Lake | 08/22/2023 | Saxitoxin | <MDL | 0.020 | No | No | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_217 |
Stevens | 59 | Keogh Lake | 05/30/2023 | Anatoxin-a | <MDL | 0.010 | No | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_032 |
Stevens | 59 | Keogh Lake | 05/30/2023 | Microcystin | 3.600 | 0.150 | No | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_032 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Anatoxin-a | <MDL | 0.010 | No | View | Lake-Wide | KEOGSTEV639_23_023 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Anatoxin-a | <MDL | 0.010 | No | View | Lake-Wide | KEOGSTEV639_23_022 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Cylindrospermopsin | <MDL | 0.100 | No | View | Lake-Wide | KEOGSTEV639_23_022 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Cylindrospermopsin | <MDL | 0.100 | No | View | Lake-Wide | KEOGSTEV639_23_023 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Microcystin | 0.700 | 0.160 | No | View | Lake-Wide | KEOGSTEV639_23_023 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Microcystin | 1.700 | 0.160 | No | View | Lake-Wide | KEOGSTEV639_23_022 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Saxitoxin | <MDL | 0.020 | No | View | Lake-Wide | KEOGSTEV639_23_022 |
Stevens | 59 | Keogh Lake | 05/16/2023 | Saxitoxin | <MDL | 0.020 | No | View | Lake-Wide | KEOGSTEV639_23_023 |
Stevens | 59 | Keogh Lake | 05/02/2023 | Anatoxin-a | <MDL | 0.010 | No | View | | |
Stevens | 59 | Keogh Lake | 05/02/2023 | Cylindrospermopsin | <MDL | 0.025 | No | View | | |
Stevens | 59 | Keogh Lake | 05/02/2023 | Microcystin | <MDL | 0.150 | No | View | | |
Stevens | 59 | Keogh Lake | 05/02/2023 | Saxitoxin | <MDL | 0.020 | No | View | | |
Stevens | 59 | Keogh Lake | 04/24/2023 | Anatoxin-a | <MDL | 0.010 | No | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_007 |
Stevens | 59 | Keogh Lake | 04/24/2023 | Microcystin | 201.000 | 0.160 | Yes | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_007 |
Stevens | 59 | Keogh Lake | 04/17/2023 | Anatoxin-a | <MDL | 0.010 | No | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_005 |
Stevens | 59 | Keogh Lake | 04/17/2023 | Microcystin | 301.000 | 0.150 | Yes | View | Hwy 20 E Colville, WA 99114 | KEOGSTEV639_23_005 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Anatoxin-a | <MDL | 0.010 | No | View | | KEOGStev639_23_003 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Anatoxin-a | <MDL | 0.010 | No | View | | KEOGStev639_23_004 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Anatoxin-a | <MDL | 0.010 | No | No | | KEOGStev639_23_002 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Cylindrospermopsin | <MDL | 0.050 | No | No | | KEOGStev639_23_002 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Cylindrospermopsin | <MDL | 0.050 | No | View | | KEOGStev639_23_004 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Cylindrospermopsin | <MDL | 0.050 | No | View | | KEOGStev639_23_003 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Microcystin | 5.900 | 0.150 | No | View | | KEOGStev639_23_003 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Microcystin | <MDL | 0.150 | No | View | | KEOGStev639_23_004 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Microcystin | 1.800 | 0.150 | No | No | | KEOGStev639_23_002 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Saxitoxin | <MDL | 0.020 | No | No | | KEOGStev639_23_002 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Saxitoxin | <MDL | 0.020 | No | View | | KEOGStev639_23_004 |
Stevens | 59 | Keogh Lake | 04/06/2023 | Saxitoxin | <MDL | 0.020 | No | View | | KEOGStev639_23_003 |