Red Willow Lake at East Beach (Sampling Site 35)

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 - McCook Frontier County
This Lake is Sampled Weekly.
Toxic Algae Data updated on:
10/3/13
Bacteria (E. coli) data updated:
9/26/13
Level of Microcystin (ppb) E. coli (# per 100 ml)
0.33 0.34
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 NOT on Toxic Algae Health Alert.


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 6, 2013 No 0.01 20
May 13, 2013 No 0.01 13
May 20, 2013 No 0
May 27, 2013 No 0.05 15
June 3, 2013 No 0 61
June 10, 2013 No 0 24
June 17, 2013 No 0.02 9
June 24, 2013 No 0.14 19
July 1, 2013 No 2.1 1
July 8, 2013 No 0.14 0
July 15, 2013 No 0.25 17
July 22, 2013 No 0.25 5
July 29, 2013 No 0.92 5
August 5, 2013 No 0.63 18
August 12, 2013 No 0.54 0
August 19, 2013 No 15.82 1
August 26, 2013 No 0.14 1
September 2, 2013 No 0.46 6
September 9, 2013 No 0.16
September 16, 2013 No 1.26 10
September 23, 2013 No 0.33 4
September 30, 2013 0.34