Long Beach domoic acid levels

Visit the Long 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 unsafe level for domoic acid in razor clams at 20 parts per million and above.

See domoic acid levels at Twin Harbors, Copalis, Mocrocks, Kalaloch, 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.

Show last 12 mos. Show historical data

All domoic acid readings in ascending order of sample date
Sample Date	Level (ppm)
4/14/2024	4
3/29/2024	0.5
3/14/2024	2
2/23/2024	1
2/12/2024	2
1/28/2024	3
1/14/2024	2
12/27/2023	2
12/15/2023	6
11/30/2023	3
11/17/2023	2
11/2/2023	3
10/18/2023	3
10/3/2023	4
9/22/2023	10
9/21/2023	4
9/21/2023	5
9/13/2023	7
9/13/2023	7
9/13/2023	11
8/28/2023	6
8/28/2023	7
8/28/2023	10
8/13/2023	10
8/1/2023	9
7/6/2023	6
4/26/2023	8
4/13/2023	9
3/31/2023	9
3/21/2023	9
3/21/2023	10
3/21/2023	16
3/15/2023	10
3/15/2023	16
3/15/2023	18
3/12/2023	8
3/12/2023	14
3/12/2023	21
3/6/2023	6
3/6/2023	14
3/6/2023	18
2/15/2023	11
2/15/2023	18
2/15/2023	22
2/1/2023	15
2/1/2023	22
2/1/2023	25
1/23/2023	22
1/23/2023	23
1/23/2023	29
1/3/2023	17
1/3/2023	25
1/3/2023	26
12/19/2022	36
12/19/2022	36
12/19/2022	37
12/5/2022	15
11/21/2022	31
11/21/2022	32
11/21/2022	36
11/6/2022	23
11/6/2022	30
11/6/2022	35
11/1/2022	12
10/27/2022	7
10/17/2022	6
10/4/2022	5
10/4/2022	5
10/4/2022	6
9/25/2022	6
9/25/2022	6
9/25/2022	6
9/14/2022	6
9/14/2022	6
9/14/2022	7
9/7/2022	5
9/7/2022	6
9/7/2022	6
8/10/2022	4
8/1/2022	3
4/19/2022	1
4/6/2022	2
3/22/2022	2
3/3/2022	3
2/17/2022	6
2/2/2022	2
1/19/2022	1
1/3/2022	1
12/19/2021	1
12/5/2021	5
11/21/2021	2
11/6/2021	6
10/23/2021	4
10/10/2021	6
9/25/2021	3
9/9/2021	8
8/26/2021	8
7/22/2021	13
6/15/2021	11
5/10/2021	9
5/10/2021	18
5/10/2021	19
4/28/2021	23
4/21/2021	31
4/15/2021	26
4/6/2021	37
3/23/2021	37
3/10/2021	26
2/24/2021	57
2/8/2021	56
1/28/2021	22
1/11/2021	45
12/28/2020	20
12/12/2020	65
12/1/2020	60
11/16/2020	62
11/1/2020	57
11/1/2020	59
11/1/2020	60
11/1/2020	60
10/22/2020	15
10/22/2020	29
10/21/2020	16
10/8/2020	1
9/21/2020	3
9/9/2020	5
9/1/2020	1
8/20/2020	1
5/14/2020	1
3/23/2020	4
3/10/2020	4
2/24/2020	5
2/11/2020	3
1/25/2020	4
1/13/2020	7
12/28/2019	6
12/16/2019	6
11/30/2019	6
11/21/2019	1
11/1/2019	7
10/24/2019	6
10/24/2019	7
10/20/2019	6
10/20/2019	8
10/15/2019	5
9/17/2019	2
8/26/2019	2
7/22/2019	1
6/3/2019	2
6/3/2019	4
5/16/2019	4
4/24/2019	3
4/9/2019	2
4/9/2019	4
3/20/2019	5
3/20/2019	6
3/4/2019	6
2/5/2019	6
1/21/2019	7
12/10/2018	4
10/15/2018	1
9/26/2018	1
8/9/2018	1
7/10/2018	2
6/25/2018	3
6/11/2018	3
5/29/2018	4
4/23/2018	5
4/9/2018	4
4/3/2018	4
3/6/2018	4
1/20/2018	5
1/14/2018	9
12/21/2017	3
12/13/2017	13
11/20/2017	5
11/12/2017	7
10/24/2017	10
10/17/2017	10
10/2/2017	9
9/25/2017	11
9/18/2017	8
8/8/2017	15
7/12/2017	14
6/12/2017	11
5/15/2017	33
5/2/2017	41
4/23/2017	17
4/16/2017	14
4/9/2017	10
4/2/2017	18
3/26/2017	21
3/12/2017	9
3/7/2017	21
3/1/2017	25
2/23/2017	18
2/12/2017	39
2/6/2017	21
1/24/2017	34
1/11/2017	24
12/27/2016	35
12/12/2016	27
12/4/2016	35
11/29/2016	19
11/20/2016	24
11/2/2016	28
10/26/2016	26
10/12/2016	24
10/4/2016	24
9/26/2016	19
9/19/2016	29
9/6/2016	3
8/23/2016	3
8/8/2016	3
7/25/2016	4
7/11/2016	6
6/20/2016	2
6/5/2016	3
5/5/2016	5
4/26/2016	7
4/12/2016	3
3/30/2016	6
3/9/2016	9
2/24/2016	16
2/22/2016	3
2/10/2016	13
1/26/2016	5
1/13/2016	18
12/30/2015	19
12/15/2015	16
12/1/2015	25
11/19/2015	26
11/8/2015	24
10/27/2015	31
10/12/2015	20
9/29/2015	41
9/14/2015	19
9/2/2015	25
8/18/2015	42
8/5/2015	75
7/22/2015	50
7/8/2015	57
6/16/2015	52
6/4/2015	77
5/26/2015	110
5/18/2015	79
5/11/2015	57
5/7/2015	20
5/5/2015	12
4/30/2015	1
4/21/2015	1
3/25/2015	0.5
3/9/2015	0.5
2/22/2015	1
2/4/2015	1
1/21/2015	1
12/22/2014	1
12/7/2014	1
11/23/2014	1
10/27/2014	1
9/23/2014	0.1
9/2/2014	0.1
7/16/2014	1
6/26/2014	2
6/11/2014	1
5/19/2014	2
5/4/2014	3
4/21/2014	2
4/7/2014	2
4/1/2014	2
3/19/2014	1
3/12/2014	2
2/19/2014	3
2/1/2014	3
1/21/2014	2
1/8/2014	6
12/18/2013	3
12/5/2013	3
11/21/2013	3
11/5/2013	2
10/8/2013	2
9/28/2013	1
9/23/2013	1
9/23/2013	1
9/4/2013	2
8/19/2013	3
8/5/2013	2
7/9/2013	1
6/25/2013	1
6/6/2013	0.5
4/29/2013	0.5
4/16/2013	0.1
4/1/2013	1
3/17/2013	1
2/27/2013	1
2/13/2013	1
1/29/2013	1
1/12/2013	1
12/29/2012	1
12/14/2012	0.5
12/2/2012	1
11/17/2012	1
11/4/2012	1
10/29/2012	1
10/16/2012	1
9/27/2012	1
9/4/2012	1
8/20/2012	0.1
8/6/2012	0.5
7/23/2012	0.1
7/10/2012	0.1
5/22/2012	0.5
4/25/2012	0.5
3/14/2012	0.1
3/2/2012	0.5
2/9/2012	0.5
1/11/2012	0.5
12/12/2011	0.5
11/1/2011	0.5
10/20/2011	0.5
10/10/2011	0.5
9/27/2011	0.5
8/4/2011	0.1
6/27/2011	0.1
6/13/2011	0.1
5/31/2011	0.1
5/8/2011	0.5
4/26/2011	0.1
3/9/2011	0.5
3/1/2011	0.5
2/4/2011	0.5
1/22/2011	0.5
1/15/2011	0.5
1/6/2011	1
12/21/2010	1
11/21/2010	1
11/10/2010	1
11/3/2010	1
10/20/2010	0.1
9/30/2010	0.5
9/21/2010	0.5
6/14/2010	1
6/1/2010	1
4/12/2010	1
3/18/2010	1
3/9/2010	1
2/9/2010	1
1/29/2010	1
1/19/2010	1
1/11/2010	1
12/20/2009	1
12/14/2009	1
11/21/2009	1
10/12/2009	1
10/4/2009	1
9/28/2009	1
9/21/2009	1
8/16/2009	2
8/11/2009	2
8/3/2009	3
7/23/2009	1
6/22/2009	1
5/26/2009	1
5/11/2009	1
4/30/2009	1
4/23/2009	1
4/19/2009	1
4/13/2009	1
3/22/2009	1
3/17/2009	1
3/10/2009	1
1/28/2009	0.5
1/21/2009	1
12/3/2008	2
11/23/2008	2
10/28/2008	1
9/29/2008	0.1
9/15/2008	0.1
9/2/2008	0.1
8/18/2008	0.1
8/6/2008	0.1
7/21/2008	0.1
7/7/2008	0.1
6/16/2008	0.5
6/3/2008	0.5
4/27/2008	0.5
4/10/2008	0.5
4/1/2008	0.5
2/20/2008	0.5
2/2/2008	1
1/20/2008	1
1/11/2008	1
12/12/2007	1
11/14/2007	0.5
11/7/2007	0.5
10/16/2007	0.5
10/8/2007	0.5
9/24/2007	0.5
8/27/2007	0.5
8/13/2007	0.1
7/30/2007	1
7/2/2007	0.5
6/18/2007	4
6/12/2007	4
5/21/2007	3
5/4/2007	3
4/26/2007	3
4/12/2007	3
4/4/2007	4
3/8/2007	3
2/28/2007	4
2/3/2007	4
1/28/2007	4
12/31/2006	1
12/18/2006	1
11/27/2006	0.5
11/20/2006	2
10/30/2006	2
10/22/2006	1
10/2/2006	1
9/25/2006	3
9/11/2006	1
8/28/2006	2
8/14/2006	4
7/31/2006	2
7/24/2006	4
7/17/2006	4
7/10/2006	4
6/26/2006	3
6/12/2006	2
5/30/2006	2
5/15/2006	2
4/23/2006	3
4/14/2006	2
3/20/2006	2
3/13/2006	1
2/15/2006	2
2/8/2006	2
1/29/2006	2
1/17/2006	4
1/10/2006	2
12/31/2005	1
12/19/2005	2
12/12/2005	5
11/6/2005	5
10/30/2005	6
10/9/2005	9
10/2/2005	9
9/19/2005	4
9/6/2005	3
8/22/2005	2
8/8/2005	1
7/28/2005	2
7/11/2005	6
6/9/2005	7
5/27/2005	5
5/2/2005	14
4/27/2005	20
4/25/2005	20
4/22/2005	8
4/20/2005	15
4/14/2005	2
3/31/2005	1
3/23/2005	0.1
3/6/2005	1
2/24/2005	1
2/12/2005	1
1/26/2005	2
1/12/2005	4
12/28/2004	2
12/21/2004	2
12/1/2004	3
11/23/2004	3
11/3/2004	2
10/27/2004	2
10/11/2004	2
10/3/2004	3
9/27/2004	1
9/13/2004	4
8/30/2004	5
8/9/2004	4
8/4/2004	5
7/20/2004	1
7/6/2004	1
6/21/2004	3
6/14/2004	1
5/17/2004	2
5/3/2004	2
4/14/2004	3
4/5/2004	2
3/22/2004	2
3/9/2004	5
2/15/2004	3
2/9/2004	4
2/3/2004	9
1/21/2004	4
1/11/2004	6
1/5/2004	4
12/22/2003	0.1
12/13/2003	3
12/8/2003	7
11/23/2003	4
11/10/2003	3
10/20/2003	2
10/13/2003	4
10/6/2003	4
9/29/2003	3
9/22/2003	7
9/15/2003	7
9/8/2003	4
9/3/2003	13
8/25/2003	6
8/11/2003	3
7/15/2003	9
7/1/2003	18
6/16/2003	13
6/1/2003	19
5/20/2003	29
5/12/2003	39
5/4/2003	30
4/29/2003	29
4/21/2003	33
4/14/2003	21
4/7/2003	25
3/31/2003	21
3/24/2003	32
3/17/2003	32
2/27/2003	59
2/13/2003	38
1/28/2003	62
1/16/2003	71
12/30/2002	81
12/17/2002	53
12/2/2002	80
11/18/2002	52
11/4/2002	84
10/20/2002	132
10/6/2002	38
9/30/2002	16
7/15/2002	3
6/30/2002	2
5/24/2002	4
4/21/2002	4
3/24/2002	4
2/21/2002	4
1/24/2002	8
12/6/2001	7
11/7/2001	6
10/4/2001	9
9/10/2001	18
8/30/2001	13
7/25/2001	6
6/11/2001	9
5/16/2001	11
4/12/2001	17
3/11/2001	22
2/4/2001	4
1/24/2001	3
12/1/2000	2
11/16/2000	4
10/11/2000	3
9/25/2000	3
8/15/2000	2
7/5/2000	4
4/2/2000	6
3/22/2000	1
2/15/2000	2
1/17/2000	4
12/12/1999	6
11/13/1999	13
10/13/1999	12
9/23/1999	5
8/11/1999	4
7/19/1999	8
6/14/1999	13
5/18/1999	16
4/2/1999	24
3/1/1999	30
2/19/1999	27
1/3/1999	48