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

Kalaloch Domoic Acid Levels

Long Beach | Twin Harbors | Copalis | Mocrocks | Kalaloch | Willapa Spits

1996-1999
Sample Date Level (ppm)
9/10/96 3.0
4/01/97 3.0
6/05/97 0.0
9/30/97 0.0
12/11/97 0.0
4/28/98 0.0
6/09/98 0.0
7/26/98 2.0
8/04/98 2.0
8/11/98 2.0
9/08/98 12.0
9/18/98 48.0
10/05/98 287.0
10/09/98 282.0
10/21/98 224.0
11/03/98 295.0
11/18/98 168.0
12/03/98 261.0
12/17/98 152.0
1/04/99 238.0
1/18/99 135.0
2/02/99 214.0
2/18/99 171.0
3/01/99 142.0
3/15/99 185.0
4/02/99 199.0
4/19/99 236.0
5/18/99 71.0
6/02/99 59.0
6/14/99 1.0
6/29/99 81.0
7/28/99 11.0
8/11/99 16.0
9/08/99 45.0
9/22/99 17.0
10/11/99 20.0
10/31/99 15.0
11/09/99 2.0
11/22/99 36.0
12/07/99 4.0
12/21/99 19.0
2000-2001
Sample Date Level (ppm)
1/18/2000 18.0
3/15/2000 10.0
3/16/2000 35.0
4/12/2000 6.0
5/03/2000 5.0
6/05/2000 7.0
7/04/2000 6.0
7/17/2000 6.0
8/01/2000 2.0
9/13/2000 18.0
9/25/2000 5.0
10/14/2000 6.0
10/20/2000 4.0
11/01/2000 3.0
11/16/2000 4.0
11/30/2000 3.0
12/08/2000 4.0
1/24/2001 2.0
2/04/2001 4.0
3/05/2001 17.0
4/12/2001 12.0
4/22/2001 10.0
5/08/2001 13.0
6/05/2001 6.0
7/09/2001 3.0
8/20/2001 2.0
9/04/2001 3.0
9/12/2001 3.0
9/17/2001 3.0
10/01/2001 2.0
10/10/2001 2.0
10/30/2001 1.0
11/07/2001 2.0
12/06/2001 2.0
12/17/2001 2.0
12/26/2001 1.0
2002-2003
Sample Date Level (ppm)
1/14/02 1.0
1/24/02 1.0
2/21/02 1.0
4/21/02 1.0
5/28/02 2.0
6/24/02 4.0
8/20/02 1.0
9/30/02 26.0
10/06/02 52.0
10/13/02 99.0
10/25/02 67.0
11/04/02 150.0
11/17/02 98.0
12/03/02 78.0
12/17/02 80.0
12/29/02 115.0
1/16/03 67.0
1/28/03 103.0
2/13/03 68.0
2/27/03 102.0
3/17/03 90.0
3/24/03 77.0
4/07/03 97.0
4/20/03 90.0
5/04/03 84.0
5/18/03 68.0
6/02/03 66.0
6/15/03 56.0
7/01/03 43.0
7/15/03 34.0
8/10/03 22.0
8/25/03 11.0
8/27/03 15.0
9/03/03 40.0
9/08/03 25.0
9/15/03 18.0
9/22/03 19.0
9/29/03 22.0
10/07/03 12.0
10/13/03 20.0
10/20/03 21.0
11/05/03 13.0
11/09/03 22.0
11/23/03 7.0
12/08/03 11.0
12/14/03 11.0
12/22/03 8.0
2004
Sample Date Level (ppm)
1/05/04 28.0
1/18/04 11.0
2/01/04 14.0
2/09/04 28.0
3/01/04 10.0
3/02/04 11.0
3/07/04 14.0
3/14/04 15.0
3/17/04 11.0
4/01/04 19.0
4/05/04 11.0
4/14/04 12.0
4/25/04 16.0
5/02/04 14.0
5/05/04 8.0
5/12/04 5.0
5/19/04 12.0
6/02/04 7.0
6/16/04 3.0
6/21/04 10.0
7/19/04 7.0
8/03/04 47.0
8/08/04 48.0
8/16/04 40.0
8/18/04 49.0
8/30/04 22.0
9/13/04 23.0
9/27/04 19.0
10/03/04 29.0
10/27/04 24.0
11/23/04 23.0
12/22/04 17.0
12/28/04 22.0
2005
Sample Date Level (ppm)
1/13/05 28.0
1/26/05 22.0
2/11/05 21.0
2/23/05 16.0
3/07/05 24.0
3/15/05 15.0
3/22/05 13.0
3/31/05 22.0
4/05/05 17.0
4/14/05 17.0
4/25/05 14.0
5/01/05 12.0
5/15/05 5.0
5/25/05 12.0
6/06/05 10.0
6/20/05 6.0
6/23/05 6.0
7/19/05 9.0
8/02/05 4.0
8/19/05 3.0
8/22/05 5.0
8/30/05 2.0
9/07/05 1.0
10/02/05 7.0
10/09/05 7.0
10/30/05 4.0
11/06/05 6.0
12/12/05 5.0
12/19/05 6.0
         
2006
Sample Date Level (ppm)
1/11/06 3.0
1/25/06 3.0
2/08/06 2.0
2/15/06 3.0
2/26/06 4.0
3/13/06 3.0
3/20/06 NTD
5/15/06 3.0
5/24/06 1.0
6/13/06 2.0
6/26/06 3.0
7/11/06 20.0
7/18/06 38.0
7/24/06 34.0
8/08/06 26.0
8/21/06 16.0
9/06/06 20.0
9/11/06 19.0
9/19/06 8.0
9/25/06 15.0
10/02/06 18.0
10/04/06 14.0
10/10/06 18.0
10/25/06 7.0
11/19/06 11.0
11/27/06 13.0
12/05/06 8.0
12/18/06 8.0
2007
Sample Date Level (ppm)
12/05/06 8.0
12/18/06 8.0
1/28/07 14.0
2/03/07 14.0
2/13/07 15.0
2/28/07 12.0
3/08/07 7.0
4/04/07 14.0
4/12/07 9.0
4/16/07 6.0
5/01/07 8.0
5/21/07 5.0
6/18/07 4.0
7/03/07 3.0
7/12/07 <1.0
7/16/07 1.0
7/30/07 5.0
8/13/07 NTD
8/27/07 4.0
10/24/07 2.0
11/13/07 1.0
2008
Sample Date Level (ppm)
1/07/08 3.0
4/21/08 <1.0
5/07/08 <1.0
6/05/08 1.0
6/17/08 <1.0
7/01/08 1.0
7/16/08 1.0
7/21/08 <1.0
8/05/08 <1.0
8/13/08 1.0
9/02/08 <1.0
10/13/08 NTD
10/28/08 NTD
11/13/08 <1.0
12/28/08 NTD
2009
Sample Date Level (ppm)
1/26/09 <1.0
3/09/09 <1.0
3/29/09 <1.0
4/10/09 NTD
5/11/09 2.0
5/26/09 1.0
6/09/09 1.0
6/22/09 1.0
7/06/09 1.0
7/20/09 1.0
8/03/09 1.0
8/19/09 2.0
9/02/09 2.0
9/03/09 2.0
9/15/09 1.0
9/22/09 1.0
10/03/09 1.0
10/12/09 1.0
2010
Sample Date Level (ppm)
1/11/10 1.0
1/27/10 NTD
2/09/10 1.0
2/28/10 1.0
3/18/10 1.0
4/12/10 1.0
5/01/10 1.0
5/17/10 1.0
5/31/10 1.0
6/10/10 1.0
6/14/10 1.0
6/23/10 1.0
6/27/10 1.0
6/29/10 1.0
7/13/10 1.0
7/25/10 NTD
7/26/10 1.0
8/09/10 1.0
8/24/10 1.0
9/07/10 NTD
9/09/10 <1.0
9/21/10 NTD
9/30/10 NTD
10/07/10 <1.0
10/20/10 NTD
10/10 NTD
11/10 NTD
11/10 <1.0
12/10 <1.0
         
2011
Sample Date Level (ppm)
1/15/11 NTD
1/19/11 <1.0
1/23/11 <1.0
1/31/11 NTD
2/04/11 NTD
2/16/11 NTD
3/21/11 <1.0
4/13/11 NTD
5/04/11 NTD
5/09/11 NTD
5/16/11 NTD
5/18/11 NTD
5/31/11 NTD
6/02/11 NTD
6/14/11 NTD
6/22/11 NTD
6/29/11 NTD
7/12/11 NTD
7/28/11 NTD
8/12/11 <1.0
9/09/11 2.0
9/21/11 1.0
9/29/11 2.0
10/21/11 1.0
10/25/11 1.0
2012
Sample Date Level (ppm)
5/06/12 1.0
6/07/12 1.0
7/03/12 <1.0
7/18/12 <1.0
7/31/12 NTD
8/15/12 1.0
8/29/12 4.0
8/30/12 4.0
9/10/12 2.0
9/18/12 2.0
9/26/12 2.0
10/17/12 3.0
10/28/12 2.0
11/12/12 2.0
11/14/12 3.0
12/10/12 2.0
2013
Sample Date Level (ppm)
04/30/13 1.0
05/15/13 NTD
08/06/13 2.0
08/19/13 3.0
2014
Sample Date Level (ppm)
04/01/14 2.0
04/14/14 3.0
04/22/14 1.0
04/30/14 4.0
05/14/14 3.0
06/11/14 2.0
06/15/14 1.0
06/24/14 2.0
07/15/14 1.0
07/28/14 <1.0
08/11/14 1.0
 

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