Willow Creek Lake at Swimming Beach  (Sampling Site 45)

The table below shows the most recent sampling information for  toxic algae (Microcystin) and bacteria (E.coli) ,
Samples are typically collected on Monday and posted on the web site on Thursday or Friday.

Nearest City - Pierce Pierce County
This Lake is Sampled Weekly.
Toxic Algae Data updated on:
9/30/10		 Bacteria (E. coli) data updated:
9/30/10
Level of Microcystin (ppb) E. coli (# per 100 ml)
35 99
Toxic Algae (Microcystin) Information
For more information about toxic algae and its potential health effects.		 Bacteria (E. coli) Information
For more information about bacteria and its potential health effects.
This Lake is Currently On Toxic Algae Health Alert!

From Neligh go 5 miles north on Highway 14 then east at sign to Pierce on road 854. Go 24 miles east then turn South on 548th Avenue, then 1.5 miles south to the boat ramp Collect sample off end of dock. From Neligh go 5 miles north on Highway 14 then east at sign to Pierce on road 854. Go 24 miles east then turn South on 548th Avenue, then 1.5 miles south to the boat ramp Collect sample off end of dock.

On the table below, the level to trigger a toxic algae Health Alert is 20 parts per billion for the toxin Microcystin. Health Alerts stay in effect until the level stays below 20 ppb for two consecutive weeks
In the Bacteria (E.coli) column, a single sample of 235 counts (or higher) per 100 ml is considered a higher risk for illness through ingestion
.
Week Starting Weekly Health Alert Level of Microcystin (ppb) E. coli (# per 100 ml)
May 3, 2010 No 0.08 6
May 10, 2010 No 0.07 158
May 17, 2010 No 0.03 1
May 24, 2010 No 0.92 6
May 31, 2010 No 0.21 2
June 7, 2010 No 0.96 16
June 14, 2010 No 0.32 308
June 21, 2010 No 0.97 1246
June 28, 2010 No 3.01 3
July 5, 2010 No 3.28 54.4
July 12, 2010 No 1.49 63
July 19, 2010 No 2.87 14
July 26, 2010 No 4.22
August 2, 2010 No 6.93 105
August 9, 2010 No 7.63 22
August 16, 2010 No 7.35 2
August 23, 2010 Yes 25.2 0
August 30, 2010 Yes 35 2
September 6, 2010 Yes 35 4.1
September 13, 2010 Yes 35 3
September 20, 2010 Yes 26.46 139
September 27, 2010 35 99