DOH Marine Biotoxin Bulletin
Beach closure listing due to red tide and other marine toxins
WDFW Olympic Region Harmful Algal Bloom (ORHAB) project
 

Mocrocks 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
2008
Sample Date Level (ppm)
1/08/08 <1.0
2/03/08 <1.0
3/04/08 <1.0
4/01/08 <1.0
4/10/08 <1.0
4/27/08 <1.0
5/12/08 <1.0
5/19/08 NTD
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
10/29/08 <1.0
11/11/08 <1.0
11/18/08 <1.0
11/23/08 <1.0
12/03/08 <1.0
12/08/08 <1.0
12/29/08 NTD
2009
Sample Date Level (ppm)
1/21/09 <1.0
1/28/09 <1.0
2/23/09 <1.0
3/02/09 NTD
3/09/09 <1.0
3/17/09 <1.0
3/22/09 <1.0
4/15/09 <1.0
4/19/09 <1.0
4/23/09 1.0
4/30/09 <1
5/19/09 1.0
5/27/09 1.0
6/04/09 <1.0
6/22/09 <1.0
7/08/09 <1.0
7/21/09 <1.0
8/04/09 5.0
8/10/09 8.0
8/17/09 4.0
8/24/09 7.0
9/03/09 7.0
9/14/09 7.0
9/26/09 6.0
10/04/09 5.0
10/12/09 5.0
2010
Sample Date Level (ppm)
1/19/10 2.0
1/29/10 4.0
2/04/10 2.0
2/09/10 3.0
2/15/10 2.0
3/09/10 1.0
3/18/10 2.0
3/11/10 1.0
5/02/10 1.0
5/10/10 2.0
5/24/10 1.0
5/31/10 1.0
6/08/10 1.0
6/13/10 2.0
6/24/10 2.0
7/11/10 2.0
7/27/10 1.0
8/08/10 1.0
8/19/10 1.0
9/03/1 <1.0
9/21/10 1.0
9/30/10 NTD
10/05/10 NTD
10/19/10 NTD
10/22/10 NTD
11/18/10 <1.0
11/22/10 <1.0
12/21/10 <1.0
       

 

 

2011
Sample Date Level (ppm)
1/19/11 NTD
1/23/11 NTD
1/31/11 NTD
2/04/11 <1.0
3/01/11 <1.0
3/09/11 NTD
4/22/11 NTD
4/18/11 <1.0
4/26/11 NTD
5/08/11 NTD
5/09/11 NTD
5/19/11 NTD
6/02/11 NTD
6/22/11 NTD
8/0311 NTD
8/15/11 NTD
9/21/11 NTD
7/10/11 NTD
10/10/11 NTD
10/20/11 NTD
11/02/11 <1.0
2012
Sample Date Level (ppm)
01/11/12 <1
02/09/12 <1.0
03/04/12 NTD
03/14/12 NTD
04/24/12 <1.0
05/08/12 <1.0
06/18/12 <1.0
07/31/12 NTD
08/14/12 NTD
08/28/12 1.0
09/04/12 1.0
09/10/12 1.0
09/25/12 2.0
10/09/12 1.0
10/09/12 2.0
10/14/12 1.0
10/29/12 2.0
11/04/12 1.0
11/14/12 1.0
11/17/12 1.0
12/02/12 1.0
12/14/12 1.0
12/30/12 1.0
2013
Sample Date Level (ppm)
01/09/13 <1.0
01/12/13 1.0
01/29/13 1.0
02/06/13 1.0
02/27/13 <1.0
03/17/13 <1.0
04/01/13 1.0
04/16/13 <1.0
04/29/13 1.0
04/29/13 1.0
05/01/13 1.0
05/15/13 NTD
07/11/13 1.0
08/19/13 2.0
08/28/13 2.0
09/04/13 2.0
09/16/13 3.0
09/23/13 1.0
09/16/13 3.0
09/23/13 1.0
09/28/13 2.0
10/07/13 2.0
10/09/13 3.0
11/04/13 3.0
11/21/13 4.0
12/05/13 6.0
12/18/13 3.0
2014
Sample Date Level (ppm)
01/09/14 2.0
01/21/14 2.0
01/28/14 4.0
02/01/14 2.0
02/20/14 2.0
02/27/14 2.0
03/12/14 2.0
03/19/14 1.0
04/01/14 2.0
04/07/14 1.0
04/15/14 2.0
04/21/14 1.0
04/25/14 2.0
05/04/14 1.0
05/13/14 2.0
05/19/14 2.0
06/10/14 2.0
06/25/14 1.0
07/14/14 2.0
07/27/14 1.0
08/12/14 1.0
09/02/14
1.0
 

For additional information:
WDFW Region 6 Office
(360) 249-4628
(ask for the razor clam management staff)