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: Copalis 1997-2008

Back to Current Domoic Acid Levels

Long Beach Twin Harbors Copalis Mocrocks Kalaloch Willapa Spits

1997-1999
Sample
Date
Level
(ppm)
7/27/97
 0.1
12/30/97
 0.0
4/13/98
 0.0
5/04/98
 0.0
6/15/98
 0.0
8/05/98
 3.0
8/27/98
 14.0
8/31/98
8.0
9/08/98
 13.0
9/11/98
 23.0
9/26/98
52.0
10/08/98
 61.0
10/19/98
 58.0
11/02/98
 51.0
11/18/98
 78.0
12/03/98
 51.0
12/17/98
 50.0
1/04/99
 42.0
1/18/99
 28.0
2/01/99
 29.0
2/18/99
 21.0
3/01/99
 45.0
3/15/99
 42.0
4/02/99
 31.0
5/17/99
 7.0
5/26/99
 34.0
6/14/99
 15.0
7/19/99
 11.0
8/11/99
 8.0
9/22/99
 11.0
10/10/99
 8.0
10/14/99
 6.0
10/24/99
 12.0
10/31/99
 6.0
11/07/99
 9.0
11/13/99
 10.0
11/21/99
 6.0
12/12/99
 2.0
2000-2001
Sample
Date
Level
(ppm)
1/07/2000
 12.0
1/17/2000
 5.0
3/18/2000
 2.0
4/11/2000
 3.0
8/16/2000
 2.0
9/13/2000
 1.0
9/25/2000
 6.0
10/11/2000
 5.0
10/14/2000
 5.0
10/20/2000
 3.0
11/01/2000
 2.0
11/16/2000
 4.0
12/11/2000
 5.0
1/08/2001
 6.0
2/06/2001
 2.0
3/04/2001
 12.0
4/12/2001
 10.0
4/22/2001
 9.0
4/29/2001
 9.0
5/07/2001
 8.0
5/12/2001
 8.0
5/20/2001
 5.0
6/05/2001
 7.0
7/27/2001
 4.0
8/23/2001
 4.0
9/05/2001
 44.0
9/12/2001
 5.0
9/18/2001
 5.0
10/01/2001
 4.0
10/10/2001
 3.0
10/30/2001
 2.0
11/07/2001
 2.0
12/06/2001
 2.0
12/17/2001
 1.0
12/26/2001
 1.0
2002-2003
Sample
Date
Level
(ppm)
1/14/02
 2.0
1/24/02
 2.0
2/21/02
 1.0
3/24/02
 1.0
4/20/02
 1.0
5/06/02
 1.0
8/27/02
 1.0
9/30/02
 27.0
10/06/02
 53.0
10/20/02
 185.0
11/04/02
 61.0

11/17/02

 72.0
12/02/02
 78.0
12/18/02
 107.0
12/29/02
102.0
1/16/03
 87.0
1/28/03
 99.0
2/13/03
78.0
3/11/03
44.0
3/24/03
 87.0
4/07/03
81.0
4/20/03
 66.0
5/05/03
54.0
5/18/03
 51.0
6/01/03
 39.0
6/15/03
34.0
7/01/03
 26.0
7/15/03
36.0
8/11/03
 17.0
8/25/03
15.0
9/01/03
32.0
9/08/03
17.0
9/15/03
13.0
9/22/03
18.0
9/29/03
16.0
10/07/03
12.0
11/11/03
11.0
11/30/03
4.0
12/08/03
9.0
12/08/03
9.0
12/13/03
4.0
12/22/03
8.0
12/27/03
10.0
2004
Sample
Date
Level
(ppm)
1/11/04
7.0
1/21/04
6.0
2/03/04
6.0
2/15/04
6.0
3/08/04
17.0
3/10/04
15.0
3/23/04
7.0
4/01/04
7.0
4/06/04
5.0
4/14/04
3.0
4/25/04
9.0
5/06/04
6.0
5/12/04
 10.0
5/26/04
4.0
6/21/04
3.0
7/19/04
 1.0
8/03/04
3.0
8/09/04
 9.0
8/18/04
 7.0
8/31/04
 7.0
9/13/04
3.0
9/26/04
3.0
10/03/04
7.0
10/11/04
3.0
10/25/04
3.0
11/03/04
3.0
11/23/04
4.0
12/01/04
3.0
12/22/04
3.0
12/28/04
4.0
2005
Sample
Date
Level
(ppm)
1/13/05
 3.0
1/26/05
 2.0
2/12/05
 2.0
2/24/05
 1.0
3/09/05
 2.0
3/21/05
 1.0
3/31/05
 1.0
4/14/05
 2.0
4/19/05
 3.0
4/24/05
 4.0
5/01/05
 8.0
5/08/05
 6.0
5/15/05
 5.0
5/23/05
 6.0
5/30/05
 4.0
6/22/05
 3.0
6/27/05
 2.0
7/20/05
 2.0
8/16/05
 5.0
8/23/05
 2.0
8/29/05
 1.0
9/07/05
 1.0
9/29/05
 4.0
10/02/05
 5.0
10/09/05
 7.0
10/30/05
 4.0
11/06/05
 5.0
12/12/05
 4.0
12/19/05
 3.0
2006
Sample
Date
Level
(ppm)
1/10/06
 1.0
1/10/06
 1.0
2/01/06
 NTD
2/08/06
 1.0
2/15/06
 2.0
3/13/06
 2.0
3/20/06
 2.0
4/14/06
2.0
4/23/06
4.0
5/14/06
 3.0
5/18/06
 3.0
5/31/06
 3.0
6/13/06
 3.0
6/26/06
 2.0
7/11/06
 3.0
7/24/06
3.0
8/09/06
 3.0
8/21/06
 2.0
8/30/06
 4.0
9/11/06
 2.0
9/19/06
 2.0
9/25/06
 2.0
10/02/06
 1.0
10/04/06
 2.0
10/10/06
 1.0
10/24/06
 1.0
10/30/06
 1.0
11/08/06
 <1.0
11/27/06
1.0
12/05/06
1.0
12/19/06
1.0
2007
Sample
Date
Level
(ppm)
12/05/06
1.0
12/19/06
1.0
12/26/06
<1.0
2/05/07
3.0
2/13/07
4.0
2/27/07
4.0
3/07/07
3.0
3/13/07
4.0
4/04/07
3.0
4/11/07
3.0
4/24/07
3.0
5/02/07
3.0
5/09/07
4.0
6/05/07
3.0
6/19/07
3.0
7/11/07
<1.0
7/26/07
<1.0
8/14/07
NTD
8/27/07
<1.0
8/29/07
<1.0
9/05/07
NTD
10/08/07
<1.0
10/16/07
<1.0
10/24/07
<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
2/03/08
<1.0
3/04/08
<1.0
3/10/08
<1.0
4/01/08
<1.0
4/10/08
<1.0
4/27/08
<1.0
5/12/08
NTD
5/19/08
NTD
5/27/08
<1.0
6/02/08
<1.0
7/08/08
<1.0
8/04/08
<1.0
9/01/08
<1.0
9/09/08
NTD
10/15/08
NTD
10/19/08
NTD
10/29/08
<1.0
11/11/08
<1.0
11/23/08
<1.0
12/03/08
<1.0
12/08/08
<1.0
12/29/08
NTD
   

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