Washington Dept. of Fish and Wildlife RAZOR CLAMS
* Introduction
* Regulations
* Clam Population Sampling
* Domoic Acid
* Recreational Fishery
* How to Dig
Razor Clams
* How to Prevent Wastage

Domoic Acid Levels: Long Beach 1996-2008

Back to Current Domoic Acid Levels

Long Beach Twin Harbors Copalis Mocrocks Kalaloch Willapa Spits

1996-1999
Sample
Date
Level
(ppm)
9/26/96
 2.0
12/09/96
 3.0
1/06/97
 0.0
3/04/97
 1.0
10/01/97
 0.0
1/26/98
0.0
4/11/98
 0.0
6/12/98
 0.0
8/05/98
 8.0
9/04/98
 5.0
9/20/98
 39.0
10/05/98
66.0
10/19/98
 81.0
11/02/98
 59.0
11/18/98
 59.0
12/03/98
 52.0
12/17/98
 21.0
1/04/99
 48.0
1/18/99
 36.0
2/02/99
 N/A
2/27/99
 27.0
3/01/99
 30.0
3/16/99
 17.0
4/02/99
 24.0
5/18/99
 16.0
6/14/99
 13.0
7/19/99
 8.0
8/11/99
 4.0
9/23/99
 5.0
10/07/99
 7.0
10/13/99
 12.0
10/24/99
 6.0
10/31/99
 7.0
11/07/99
 4.0
11/13/99
 13.0
11/21/99
 8.0
12/12/99
 5.0
2000-2001
Sample
Date
Level
(ppm)
1/17/2000
 4.0
2/15/2000
 2.0
3/22/2000
 1.0
4/02/2000
 6.0
7/05/2000
 4.0
8/15/2000
 2.0
9/13/2000
 2.0
9/25/2000
 3.0
10/11/2000
 3.0
10/14/2000
 3.0
10/20/2000
 3.0
11/01/2000
 2.0
11/16/2000
 4.0
11/30/2000
 2.0
1/24/2001
 3.0
2/04/2001
 4.0
3/11/2001
 22.0
4/12/2001
 17.0
4/22/2001
 13.0
5/16/2001
 11.0
6/11/2001
 9.0
7/25/2001
 6.0
8/16/2001
 8.0
8/30/2001
 13.0
9/10/2001
 18.0
9/19/2001
 6.0
10/04/2001
 9.0
10/10/2001
 6.0
10/30/2001
 5.0
11/07/2001
 6.0
12/06/2001
 7.0
12/17/2001
 6.0
12/26/2001
 6.0
2002-2003
Sample
Date
Level
(ppm)
1/14/02
 9.0
1/24/02
 8.0
2/21/02
 4.0
3/24/02
 4.0
4/21/02
 4.0
5/24/02
 4.0
6/30/02
 2.0
7/15/02
 3.0
9/30/02
 16.0
10/06/02
 38.0
10/21/02
 132.0
11/04/02
 84.0
11/18/02
 52.0
12/02/02
 80.0
12/17/02
 53.0
12/30/02
 81.0
1/16/03
 71.0
1/28/03
62.0
2/13/03
 38.0
2/27/03
 59.0
1/16/03
 71.0
1/28/03
62.0
2/13/03
 38.0
2/27/03
 59.0
3/17/03
 32.0
3/24/03
 32.0
3/31/03
21.0
4/07/03
25.0
4/14/03
21.0
4/21/03
 33.0
4/29/03
 29.0
5/04/03
30.0
5/12/03
39.0
5/20/03
 29.0
6/01/03
19.0
6/16/03
13.0
7/01/03
18.0
7/15/03
9.0
8/11/03
 3.0
8/25/03
6.0
9/03/03
13.00
9/08/03
4.0
9/15/03
7.0
9/22/03
7.0
9/29/03
3.0
10/06/03
4.0
10/13/03
4.0
10/20/03
2.0
11/10/03
3.0
11/23/03
4.0
12/08/03
7.0
12/13/03
3.0
12/22/03
NTD
2004
Sample
Date
Level
(ppm)
1/05/04
4.0
1/11/04
6.0
1/21/04
4.0
2/03/04
9.0
2/09/04
4.0
2/15/04
3.0
3/09/04
5.0
3/22/04
2.0
4/05/04
2.0
4/14/04
3.0
5/03/04
2.0
5/17/04
2.0
6/14/04
1.0
6/21/04
3.0
7/06/04
1.0
7/20/04
1.0
8/04/04
5.0
8/09/04
4.0
8/30/04
5.0
9/13/04
4.0
9/27/04
1.0
10/03/04
3.0
10/11/04
2.0
10/27/04
2.0
11/03/04
2.0
11/23/04
3.0
12/01/04
3.0
12/21/04
2.0
12/28/04
2.0
2005
Sample
Date
Level
(ppm)
1/12/05
4.0
1/26/05
2.0
2/12/05
1.0
2/24/05
1.0
3/06/05
1.0
3/23/05
NTD
3/31/05
1.0
4/14/05
2.0
4/20/05
15.0
4/22/05
8.0
4/25/05
20.0
4/27/05
20.0
5/02/05
14.0
5/27/05
5.0
6/09/05
7.0
7/11/05
6.0
7/28/05
2.0
8/08/05
1.0
8/22/05
2.0
9/06/05
3.0
9/19/05
4.0
10/02/05
9.0
10/09/05
9.0
10/30/05
6.0
11/06/05
5.0
12/12/05
5.0
12/19/05
2.0
2006
Sample
Date
Level
(ppm)
1/10/06
2.0
1/17/06
4.0
1/29/06
2.0
2/08/06
2.0
2/15/06
2.0
3/13/06
1.0
3/20/06
2.0
4/14/06
2.0
4/23/06
3.0
5/15/06
2.0
5/30/06
2.0
6/12/06
2.0
6/26/06
3.0
7/10/06
4.0
7/17/06
4.0
7/23/06
4.0
7/31/06
2.0
8/14/06
4.0
8/28/06
2.0
9/11/06
1.0
9/25/06
3.0
10/02/06
1.0
10/22/06
1.0
10/30/06
2.0
11/20/06
2.0
11/27/06
<1.0
12/18/06
1.0
2007
Sample
Date
Level
(ppm)
12/18/06
1.0
12/31/06
1.0
1/28/07
4.0
2/03/07
4.0
2/28/07
4.0
3/08/07
3.0
4/04/07
4.0
4/12/07
3.0
4/26/07
3.0
5/04/07
3.0
5/21/07
3.0
6/12/07
4.0
6/18/07
4.0
7/02/07
<1.0
7/30/07
1.0
8/13/07
NTD
8/27/07
<1.0
9/24/07
<1.0
10/08/07
<1.0
10/16/07
<1.0
11/07/07
<1.0
11/14/07
<1.0
2008
Sample
Date
Level
(ppm)
1/11/08
1.0
1/20/08
1.0
2/02/08
1.0
2/20/08
<1.0
4/01/08
<1.0
4/10/08
<1.0
4/27/08
<1.0
6/03/08
<1.0
6/16/08
<1.0
7/07/08
NTD
8/06/08
NTD
8/18/08
NTD
9/02/08
NTD
9/15/08
NTD
9/29/08
NTD
10/29/08
1.0
11/23/08
2.0
12/03/08
2.0
   

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