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

July 18, 2016

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
2016
Sample Date Level (ppm)
01/13/16 18.0
01/26/16 5.0
02/10/16 13.0
02/22/16 3.0
02/24/16 16.0
03/09/16 9.0
03/30/16 6.0
04/12/16 3.0
04/26/16 7.0
05/05/16 5.0
06/05/16 3.0
06/20/16 2.0
07/11/16 6.0
Long Beach Domoic Acid Levels
Long-term

Long Beach Domoic Acid Level: 1996 - Current

 
Twin Harbors
 
Short-term
2016
Sample Date Level (ppm)
01/13/16 31.0
01/26/16 53.0
02/11/16 34.0
02/22/16 37.0
03/08/16 26.0
03/21/16 30.0
03/30/16 29.0
04/12/16 22.0
04/26/16 25.0
06/06/16 20.0
06/20/16 15.0
07/11/16 8.0
Twin Harbors Domoic Acid Levels<empty>
Long-term
Twin Harbors Domoic Acid Levels: 1996 - Current
 
Copalis
 
Short-term
2016
Sample Date Level (ppm)
01/07/16 13.0
01/14/16 11.0
01/26/16 7.0
02/04/16 10.0
02/11/16 5.0
03/8/2016 9.0
03/20/16 4.0
03/8/16 9.0
04/12/16 3.0
04/26/16 3.0
05/11/16 2.0
05/24/16 5.0
06/22/16 2.0
Copalis-Domoic Acid Levels
Long-term
Copalis Domoic Acid Levels: 1996 - Current
 
Mocrocks

Short-term
2016
Sample Date Level (ppm)
01/07/16 20.0
01/14/16 21.0
01/20/16 13.0
01/26/16 21.0
02/04/16 14.0
02/11/16 17.0
02/23/16 10.0
03/08/16 7.0
03/28/16 6.0
04/12/16 2.0
05/24/16 1.0
06/22/16 3.0
Mocrocks-Domoic Acid Levels
Long-term

Mocrocks Domoic Acid Levels: 1996 - Current

 
Kalaloch

Short-term
2016
Sample Date Level (ppm)
02/09/16 20.0
03/08/16 14.0
04/11/16 22.0
05/11/16 6.0
05/22/16 NTD
06/21/16 5.0
07/05/16 1.0
Kalaloch-Domoic Acid Levels
Long-term

Kalaloch Domoic Acid Levels: 1996 - Current

 
Willapa Spits
chart
2016
Collection
Date
Sample Type Domoic Result
(ppm)
02/10/16 Pre-Season 33.0
03/11/16 Pre-Season 30.0
04/10/16 Pre-Season 36.0
05/11/16 Pre-Season 39.0
06/08/16 Pre-Season 19

Willapa Spits Domoic Acid Levels: 2005-Current

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