Kalaloch domoic acid levels

Visit the Kalaloch beach page for directions, harvest information, and more.

Domoic acid, a naturally occurring toxin produced by certain types of algae, can be harmful or even fatal to humans if contaminated shellfish is consumed.  The Washington Department of Fish and Wildlife (WDFW) routinely provides razor clams from various ocean beaches to the Washington Department of Health to test for domoic acid. State public health officials have set the maximum threshold for domoic acid levels in razor clams at 20 parts per million.

See domoic acid levels at Long Beach, Twin Harbors, Copalis, Mocrocks, and Willapa Spits.

On desktop/laptop, move the cursor over a data point to see the exact date and level. To zoom in or out on the chart, use the mouse scroll wheel. Click and drag the graph to pan the data left or right.

On touch devices, tap the data point to see the exact date and level. To zoom in or out on the chart, spread or pinch the chart area. Tap and drag the graph to pan the data left or right.
All domoic acid readings in ascending order of sample date
Sample Date Level (ppm)
9/18/2020 1
9/1/2020 1
8/18/2020 1
8/8/2020 1
8/4/2020 1
7/7/2020 1
6/23/2020 2
6/7/2020 1
5/24/2020 2
5/8/2020 1
4/26/2020 2
4/9/2020 1
11/24/2019 4
10/14/2019 2
8/14/2019 1
7/30/2019 1
7/16/2019 1
6/4/2019 1
5/21/2019 2
5/7/2019 2
4/20/2019 1
3/25/2019 3
3/20/2019 3
3/17/2019 2
3/7/2019 3
2/20/2019 3
1/6/2019 3
12/27/2018 3
12/5/2018 1
11/20/2018 2
10/29/2018 3
10/16/2018 2
10/3/2018 2
9/24/2018 1
9/11/2018 1
8/28/2018 2
8/14/2018 1
7/27/2018 2
5/30/2018 5
5/16/2018 4
5/1/2018 5
3/20/2018 21
12/4/2017 20
11/30/2017 31
11/6/2017 27
10/5/2017 6
9/6/2017 1
8/22/2017 1
8/20/2017 1
8/8/2017 5
7/25/2017 2
5/26/2017 9
5/3/2017 18
3/31/2017 3
2/23/2017 6
1/10/2017 7
12/27/2016 8
12/13/2016 10
11/20/2016 3
11/13/2016 5
9/27/2016 6
9/17/2016 6
8/17/2016 4
8/2/2016 3
7/5/2016 1
6/21/2016 5
5/11/2016 6
4/11/2016 22
3/8/2016 14
2/9/2016 20
11/25/2015 18
10/27/2015 21
9/28/2015 8
9/10/2015 10
8/27/2015 14
7/29/2015 34
7/15/2015 47
6/30/2015 94
6/16/2015 85
6/2/2015 94
6/2/2015 95
5/18/2015 126
5/6/2015 34
8/11/2014 1
7/15/2014 1
6/24/2014 2
6/15/2014 1
6/11/2014 2
5/14/2014 3
4/30/2014 4
4/22/2014 1
4/14/2014 3
4/1/2014 2
8/19/2013 3
8/6/2013 2
4/30/2013 1
12/10/2012 2
11/14/2012 3
11/12/2012 2
10/28/2012 2
10/17/2012 3
9/26/2012 2
9/18/2012 2
9/10/2012 2
8/30/2012 4
8/29/2012 4
8/15/2012 1
6/7/2012 1
5/6/2012 1
12/12/2011 1
10/25/2011 1
10/21/2011 1
9/29/2011 2
9/21/2011 1
9/9/2011 2
8/24/2010 1
8/9/2010 1
7/26/2010 1
7/13/2010 1
6/29/2010 1
6/27/2010 1
6/23/2010 1
6/14/2010 1
6/10/2010 1
5/31/2010 1
5/17/2010 1
5/1/2010 1
4/12/2010 1
3/18/2010 1
2/28/2010 1
2/9/2010 1
1/11/2010 1
12/30/2009 1
12/20/2009 1
12/14/2009 1
12/1/2009 1
11/23/2009 1
10/12/2009 1
10/3/2009 1
9/22/2009 1
9/15/2009 1
9/3/2009 2
9/2/2009 2
8/19/2009 2
8/3/2009 1
7/20/2009 1
7/6/2009 1
6/22/2009 1
6/9/2009 1
5/26/2009 1
5/11/2009 2
8/13/2008 1
7/16/2008 1
7/1/2008 1
6/5/2008 1
1/7/2008 3
12/24/2007 2
11/27/2007 1
11/13/2007 1
10/24/2007 2
8/27/2007 4
7/30/2007 5
7/16/2007 1
7/3/2007 3
6/18/2007 4
5/21/2007 5
5/1/2007 8
4/16/2007 6
4/12/2007 9
4/4/2007 14
3/8/2007 7
2/28/2007 12
2/13/2007 15
2/3/2007 14
1/28/2007 14
12/18/2006 8
12/5/2006 8
11/27/2006 13
11/19/2006 11
10/25/2006 7
10/10/2006 18
10/4/2006 14
10/2/2006 18
9/25/2006 15
9/19/2006 8
9/11/2006 19
9/6/2006 20
8/21/2006 16
8/8/2006 26
7/24/2006 34
7/18/2006 38
7/11/2006 20
6/26/2006 3
6/13/2006 2
5/30/2006 1
5/24/2006 1
5/15/2006 3
5/15/2006 3
3/13/2006 3
2/26/2006 4
2/15/2006 3
2/8/2006 2
1/25/2006 3
1/11/2006 3
12/19/2005 6
12/12/2005 5
11/14/2005 6
11/6/2005 6
10/30/2005 4
10/9/2005 7
10/2/2005 7
9/7/2005 1
8/30/2005 2
8/22/2005 5
8/19/2005 3
8/2/2005 4
7/19/2005 9
6/23/2005 6
6/20/2005 6
6/6/2005 10
5/25/2005 12
5/10/2005 9
5/1/2005 12
4/25/2005 14
4/14/2005 17
4/5/2005 17
3/31/2005 22
3/22/2005 13
3/14/2005 15
3/7/2005 24
2/23/2005 16
2/11/2005 21
1/26/2005 22
1/13/2005 28
12/28/2004 22
12/22/2004 17
11/23/2004 23
10/27/2004 24
10/3/2004 29
9/27/2004 19
9/13/2004 23
8/30/2004 22
8/18/2004 49
8/16/2004 40
8/8/2004 48
8/3/2004 47
7/19/2004 7
6/21/2004 10
6/16/2004 3
6/2/2004 7
5/19/2004 12
5/12/2004 5
5/5/2004 8
5/2/2004 14
4/25/2004 16
4/14/2004 12
4/5/2004 11
4/1/2004 19
3/17/2004 11
3/14/2004 15
3/7/2004 14
3/2/2004 11
3/1/2004 10
2/18/2004 19
2/9/2004 28
2/1/2004 14
1/18/2004 11
1/5/2004 28
12/22/2003 8
12/14/2003 11
12/8/2003 11
11/23/2003 7
11/9/2003 22
11/5/2003 13
10/20/2003 21
10/13/2003 20
10/7/2003 12
9/29/2003 22
9/22/2003 19
9/15/2003 18
9/8/2003 25
9/3/2003 40
8/27/2003 15
8/25/2003 11
8/10/2003 22
7/15/2003 25
7/1/2003 43
6/15/2003 56
6/2/2003 66
5/18/2003 68
5/4/2003 84
4/20/2003 90
4/7/2003 97
3/23/2003 77
3/17/2003 90
2/27/2003 102
2/13/2003 68
1/28/2003 103
1/16/2003 67
12/29/2002 115
12/17/2002 80
12/3/2002 78
11/17/2002 98
11/4/2002 150
10/25/2002 67
10/13/2002 99
10/6/2002 52
9/30/2002 26
8/20/2002 1
7/22/2002 2
6/24/2002 4
5/28/2002 2
4/21/2002 1
3/24/2002 1
2/21/2002 1
1/14/2002 1
12/17/2001 1
11/7/2001 2
10/10/2001 2
9/4/2001 3
8/20/2001 2
7/9/2001 3
6/5/2001 6
5/8/2001 13
4/12/2001 12
3/5/2001 17
2/4/2001 4
1/24/2001 2
12/8/2000 4
11/16/2000 4
10/14/2000 6
9/13/2000 18
8/1/2000 2
7/17/2000 6
6/5/2000 7
5/3/2000 5
4/12/2000 6
3/16/2000 35
2/4/2000 24
1/18/2000 18
12/21/1999 19
11/22/1999 36
10/11/1999 20
9/8/1999 45
8/11/1999 16
7/28/1999 11
6/29/1999 81
5/17/1999 71
4/19/1999 236
3/15/1999 185
2/2/1999 214
1/4/1999 238