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

Domoic Acid Levels: Mocrocks 1996-2007

Back to Current Domoic Acid Levels

Long Beach Twin Harbors Copalis Mocrocks Kalaloch Willapa Spits

1996-1999
Sample
Date
Level
(ppm)
12/11/96
 1.0
1/08/97
 0.0
9/29/97
 0.0
10/14/97
 0.0
12/11/97
 0.0
1/15/98
 0.0
6/15/98
 0.0
8/05/98
 8.0
8/31/98
 10.0
9/08/98
 11.0
9/26/98
 64.0
10/05/98
 102.0
10/19/98
 68.0
11/02/98
 75.0
11/18/98
 59.0
12/03/98
 59.0
12/17/98
 60.0
1/04/99
 80.0
1/20/99
 50.0
2/01/99
 32.0
2/18/99
 39.0
3/01/99
 19.0
3/15/99
 20.0
4/02/99
 30.0
5/17/99
 7.0
5/26/99
 18.0
6/02/99
 24.0
6/14/99
 11.0
7/15/99
 15.0
8/11/99
 11.0
9/22/99
 8.0
10/06/99
 4.0
10/14/99
 10.0
10/24/99
 10.0
9/14/99
 6.0
10/31/99
 6.0
11/07/99
 3.0
11/13/99
 7.0
11/21/99
 4.0
12/04/99
 4.0
2000-2001
Sample
Date
Level
(ppm)
1/07/2000
 5.0
3/22/2000
 1.0
4/02/2000
 3.0
5/17/2000
 6.0
7/05/2000
 4.0
8/16/2000
 2.0
9/13/2000
 8.0
9/25/2000
 5.0
10/11/2000
 6.0
10/14/2000
 8.0
10/20/2000
 5.0
11/16/2000
 8.0
1/24/2001
 4.0
2/04/2001
 2.0
3/03/2001
 12.0
4/12/2001
 14.0
4/22/2001
 11.0
4/29/2001
 8.0
5/07/2001
 7.0
5/12/2001
 10.0
5/20/2001
 6.0
6/20/2001
 3.0
7/27/2001
 3.0
8/23/2001
 4.0
9/05/2001
 52.0
9/12/2001
 6.0
9/18/2001
 6.0
10/02/2001
 4.0
10/10/2001
 4.0
10/30/2001
 4.0
11/07/2001
 2.0
12/06/2001
 3.0
12/17/2001
 3.0
12/26/2001
 1.0
2002-2003
Sample
Date
Level
(ppm)
1/09/02
 2.0
1/24/02
 1.0
2/21/02
 1.0
3/24/02
 2.0
4/20/02
 1.0
5/12/02
 1.0
8/27/02
 1.0
9/30/02
 25.0
10/06/02
 45.0
10/20/02
 185.0
11/04/02
 147.0
11/18/02
112.0
12/02/02
 118.0
12/18/02
 114.0
12/30/02
 91.0
1/16/03
107.0
1/27/03
75.0
2/13/03
 108.0
2/27/03
 63.0
3/24/03
66.0
4/07/03
45.0
4/21/03
65.0
5/05/03
43.0
7/21/03
24.0
8/11/03
 17.0
8/25/03
20.03
9/01/03
 17.0
9/08/03
 37.0
9/15/03
 15.0
9/22/03
 26.0
9/29/03
 20.0
10/07/03
12.0
10/13/03
14.0
10/20/03
12.0
11/04/03
14.0
11/23/03
12.0
11/30/03
12.0
12/09/03
9.0
12/13/03
 10.0
12/27/03
11.0
2004
Sample
Date
Level
(ppm)
1/04/04
 8.0
1/11/04
 2.0
2/01/04
11.0
2/09/04
18.0
2/15/04
6.0
3/01/04
4.0
3/10/04
13.0
3/23/04
10.0
4/01/04
 3.0
4/06/04
2.0
4/14/04
4.0
4/25/04
9.0
5/06/04
6.0
8/08/04
5.0
8/18/04
6.0
8/31/04
5.0
9/13/04
4.0
9/26/04
3.0
10/03/04
7.0
10/11/04
2.0
10/25/04
3.0
10/27/04
2.0
11/03/04
3.0
11/23/04
3.0
12/01/04
3.0
12/21/04
2.0
12/28/04
4.0
2005
Sample
Date
Level
(ppm)
1/13/05
 4.0
1/26/05
 2.0
2/12/05
 2.0
2/24/05
 1.0
3/21/05
 1.0
3/31/05
 1.0
4/14/05
 1.0
4/19/05
 2.0
4/25/05
 4.0
5/01/05
 5.0
5/08/05
 7.0
5/15/05
 4.0
5/23/05
 4.0
5/30/05
 3.0
6/27/05
 2.0
7/20/05
 2.0
8/16/05
 2.0
8/29/05
 2.0
9/07/05
 3.0
9/29/05
 5.0
10/05/05
 6.0
10/09/05
 8.0
10/30/05
 4.0
11/06/05
 6.0
12/12/05
 5.0
12/19/05
 3.0
2006
Sample
Date
Level
(ppm)
1/10/06
 3.0
1/10/06
 2.0
2/01/06
 NTD
2/08/06
 1.0
2/15/06
 1.0
3/13/06
 1.0
3/20/06
 1.0
4/14/06
2.0
4/23/06
 1.0
5/18/06
 1.0
6/01/06
 2.0
6/08/06
 1.0
8/21/06
 7.0
8/30/06
 2.0
9/11/06
 4.0
9/25/06
 3.0
10/02/06
 3.0
10/10/06
 2.0
10/18/06
 2.0
10/22/06
 2.0
10/30/06
 3.0
11/20/06
 2.0
11/27/06
 2.0
12/10/06
 1.0
12/19/06
 3.0
2007
Sample
Date
Level
(ppm)
12/10/06
 1.0
12/19/06
 3.0
1/23/07
 5.0
1/28/07
 4.0
2/03/07
 4.0
2/27/07
 4.0
3/07/07
 4.0
3/13/07
 4.0
4/04/07
 3.0
4/12/07
 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
 4.0
7/11/07
 <1.0
7/26/07
 1.0
8/14/07
 NTD
8/27/07
 <1.0
8/29/07
 1.0
9/23/07
 1.0
10/08/07
 <1.0
10/16/07
 NTD
10/24/07
 <1.0
11/07/07
 <1.0
11/14/07
 <1.0
     

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