Iron Horse Trail Lake  at Iron Horse Beach (Sampling Site 47)

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 - Dubois Pawnee County County
This Lake is Sampled Weekly.
Toxic Algae Data updated on:
7/28/11
Bacteria (E. coli) data updated:
7/27/11
Level of Microcystin (ppb) E. coli (# per 100 ml)
No Samples 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.


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 2, 2011
May 9, 2011
May 16, 2011
May 23, 2011 1
May 30, 2011
June 6, 2011 1
June 13, 2011
June 20, 2011
June 27, 2011
July 4, 2011 1
July 11, 2011 1
July 18, 2011 1
July 25, 2011 1
August 1, 2011
August 8, 2011
August 15, 2011
August 22, 2011
August 29, 2011
September 5, 2011
September 12, 2011
September 19, 2011
September 26, 2011