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

Latest Domoic Acid Levels

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

Latest Domoic Acid Levels Updated:
August 24, 2015

NOTE: As of 9/29/00 new WDOH action level is 20ppm

Razor Clam Management Beaches

 

Click charts to enlarge
Long Beach
 Long Beach Domoic Acid Levels
Short-term
2015
Sample Date Level (ppm)
01/21/15 1.0
02/04/15 1.0
02/22/15 1.0
03/09/15 <1.0
03/25/15 <1.0
04/21/15 1.0
04/30/15 1.0
05/05/15 12.0
05/07/15 20.0
05/11/15 57.0
05/18/15 79.0
05/26/15 110.0
06/04/15 77.0
07/06/15 57.0
07/22/15 50.0
08/05/15 75.0
08/18/15 42.0
Long Beach Domoic Acid Levels
Long-term

Long Beach Domoic Acid Level: 1996 - Current

 
Twin Harbors
 
Short-term
2015
Sample Date Level (ppm)
01/07/15 1.0
01/21/15 1.0
02/04/15 1.0
02/22/15 1.0
03/09/15 <1.0
03/25/15 <1.0
04/22/15 1.0
04/30/15 2.0
05/05/15 15.0
05/07/15 27.0
05/11/15 39.0
05/18/15 42.0
05/26/15 169.0
06/04/15 152.0
06/16/15 115.0
07/06/15 99.0
07/22/15 86.0
08/05/15 38.0
08/18/15 60.0
Twin Harbors Domoic Acid Levels<empty>
Long-term
Twin Harbors Domoic Acid Levels: 1996 - Current
 
Copalis
 
Short-term
2015
Sample Date Level (ppm)
01/07/15 1.0
01/21/15 1.0
02/04/15 1.0
02/18/15 <1.0
02/22/15 1.0
03/09/15 1.0
03/25/15 <1.0
04/22/15 1.0
04/30/15 3.0
05/04/15 5.0
05/07/15 11.0
05/11/15 41.0
05/18/15 74.0
05/27/15 70.0
06/01/15 65.0
06/16/15 68.0
06/30/15 79.0
07/15/15 68.0
08/11/15 22.0
Copalis-Domoic Acid Levels
Long-term
Copalis Domoic Acid Levels: 1996 - Current
 
Mocrocks

Short-term
2015
Sample Date Level (ppm)
01/07/15 1.0
01/20/15 1.0
02/04/15 1.0
02/18/15 1.0
02/22/15 <1.0
03/09/15 <1.0
03/25/15 <1.0
04/22/15 <1.0
04/30/15 2.0
05/04/15 5.0
05/07/15 10.0
05/11/15 34.0
05/18/15 58.0
05/27/15 87.0
06/01/15 92.0
06/16/15 70.0
06/23/15 62.0
06/30/15 62.0
07/15/15 46.0
07/29/15 46.0
08/11/15 19.0
Mocrocks-Domoic Acid Levels
Long-term

Mocrocks Domoic Acid Levels: 1996 - Current

 
Kalaloch

Short-term
2015
Sample Date Level (ppm)
05/06/15 34.0
05/18/15 126.0
06/02/15 95.0
06/16/15 85.0
06/30/15 94.0
07/15/15 47.0
07/29/15 34.0
Kalaloch-Domoic Acid Levels
Long-term

Kalaloch Domoic Acid Levels: 1996 - Current

 
Willapa Spits
chart
2015
Collection
Date
Sample Type Domoic Result
(ppm)
3/16/2015 Pre-Season 1.0
4/4/2015 Pre-Season NTD
4/14/2015 Fishery Sample <1.0
4/22/2015 Fishery Sample 1.0
5/03/2015 Fishery Sample 8.0
5/07/2015 Fishery Sample 26.0
5/11/2015 Fishery Sample 41.0
5/18/2015 Post Closure 69.0
5/26/2015 Post Closure 138.0
6/04/2015 Post Closure 70.0
6/16/2015 Post Closure 134.0
7/07/2015 Post Closure 43.0
7/22/2015 Post Closure 96.0
8/05/2015 Post Closure 56.0

Willapa Spits Domoic Acid Levels: 2005-Current

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