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

October 13, 2017

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

Razor Clam Management Beaches
Razor Clam Beach Maps
(enlargements with Reserve Areas)
Map of the Long Beach razor clam dig area with reserve area highlighted.Long Beach
Map of the Twin Harbors razor clam digging areas.Twin Harbors
Map of the Copalis razor clam digging area with reserve area highlighted.Copalis
Map of the Mocrocks razor clam digging area with the reserve area highlighted.Mocrocks
Click charts to enlarge
Long Beach
 Long Beach Domoic Acid Levels
Short-term
2017
Sample Date Level (ppm)
01/11/17 24.0
01/24/17 34.0
02/06/17 21.0
02/12/17 39.0
02/23/17 18.0
03/01/17 25.0
03/07/17 21.0
03/12/17 9.0
03/26/17 21.0
04/02/17 18.0
04/09/17 10.0
04/16/17 14.0
04/23/17 17.0
05/02/17 41.0
05/15/17 33.0
06/12/17 11.0
07/12/17 14.0
08/08/17 15.0
09/18/17 8.0
09/25/17 11.0
10/02/17 9.0
Long Beach Domoic Acid Levels
Long-term

Long Beach Domoic Acid Level: 1996 - Current

 
Twin Harbors
 
Short-term
2017
Sample Date Level (ppm)
01/09/17 25.0
01/15/17 20.0
01/24/17 16.0
01/30/17 13.0
02/13/17 15.0
03/01/17 17.0
03/16/17 21.0
03/26/17 9.0
04/02/17 11.0
04/09/17 10.0
04/16/17 10.0
04/23/17 13.0
05/02/17 36.0
05/15/17 36.0
06/12/17 12.0
07/11/17 8.0
08/08/17 6.0
09/18/17 12.0
09/25/17 12.0
10/02/17 10.0
Twin Harbors Domoic Acid Levels<empty>
Long-term
Twin Harbors Domoic Acid Levels: 1996 - Current
 
Copalis
 
Short-term
2017
Sample Date Level (ppm)
01/09/17 6.0
01/15/17 6.0
01/24/17 5.0
01/30/17 7.0
02/13/17 4.0
02/27/17 6.0
03/16/17 6.0
03/26/17 5.0
04/02/17 4.0
04/09/17 4.0
04/16/17 6.0
04/23/17 7.0
05/02/17 16.0
05/08/17 27.0
05/15/17 39.0
05/31/17 26.0
06/27/17 13.0
07/11/17 11.0
07/25/17 11.0
08/08/17 9.0
08/16/17 8.0
08/29/17 13.0
09/05/17 10.0
09/11/17 5.0
09/18/17 12.0
09/25/17 5.0
10/02/17 7.0
10/09/17 6.0
Copalis-Domoic Acid Levels
Long-term
Copalis Domoic Acid Levels: 1996 - Current
 
Mocrocks

Short-term
2017
Sample Date Level (ppm)
01/09/17 6.0
01/15/17 8.0
01/24/17 5.0
01/30/17 7.0
02/13/17 6.0
02/27/17 5.0
03/16/17 3.0
03/25/17 4.0
04/02/17 2.0
04/09/17 2.0
04/16/17 4.0
05/02/17 19.0
05/08/17 26.0
05/15/17 31.0
06/27/17 15.0
07/11/17 8.0
07/25/17 11.0
08/08/17 10.0
08/16/17 6.0
08/29/17 8.0
09/05/17 10.0
09/11/17 5.0
09/18/17 7.0
09/25/17 4.0
10/02/17 3.0
10/09/17 4.0
Mocrocks-Domoic Acid Levels
Long-term

Mocrocks Domoic Acid Levels: 1996 - Current

 
Kalaloch

Short-term
2017
Sample Date Level (ppm)
01/10/17 7.0
02/23/17 6.0
03/31/17 3.0
05/03/17 18.0
05/26/17 9.0
07/25/17 2.0
08/08/17 5.0
08/20/17 1.0
08/22/17 1.0
09/06/17 1.0
09/19/17 <1.0
09/19/17 6.0
Kalaloch-Domoic Acid Levels
Long-term

Kalaloch Domoic Acid Levels: 1996 - Current

 
Willapa Spits
chart
2017
Collection
Date
Sample Type Domoic Result
(ppm)
02/07/17 Pre-Season 52.0
04/30/17 Pre-Season 44.0
05/31/17 Pre-Season 18.0
06/12/17 Pre-Season 34.0
07/26/17 Pre-Season 10.0
08/07/17 Pre-Season 23.0

Willapa Spits Domoic Acid Levels: 2005-Current

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