Pawnee Lake at West Beach (Sampling Site 34b)

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 - Emerald Lancaster County
This Lake is Sampled Weekly.
Toxic Algae Data updated on:
9/2/10
Bacteria (E. coli) data updated:
9/2/10
Level of Microcystin (ppb) E. coli (# per 100 ml)
1.62 1
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.

Pawnee Reservoir near Emerald, East Beach Pawnee Reservoir near Emerald @ West Swimming Beach.  Sample collected from middle of the west swimming beach Pawnee Reservoir near Emerald


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 0.28 3
May 10, 2010 No 1.2 5
May 17, 2010 No 1.69 7
May 24, 2010 No 5.19 5
May 31, 2010 No 2.69 308
June 7, 2010 No 3.68 411
June 14, 2010 No 3.7 6
June 21, 2010 No 2.28 548
June 28, 2010 No 4.97 9
July 5, 2010 No 1.43 20
July 12, 2010 No 2.78 117
July 19, 2010 No 2.22 39
July 26, 2010 No 5.56 5
August 2, 2010 No 4.15 8
August 9, 2010 No 4.83 1
August 16, 2010 No 4.2 3
August 23, 2010 No 3.48 5
August 30, 2010 No 1.62 1
September 6, 2010
September 13, 2010
September 20, 2010
September 27, 2010