Harlan Lake at SE Beach (Sampling Site 18)

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 - Republican City	Harlan County
This Lake is Sampled Weekly.
Toxic Algae Data updated on: 9/27/12	Bacteria (E. coli) data updated: 9/27/12
Level of Microcystin (ppb)	E. coli (# per 100 ml)
0.14	19
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 7, 2012	No	0.05	0
May 14, 2012	No	3.47	9
May 21, 2012	No	0.01	79
May 28, 2012	No	0.04	3
June 4, 2012	No	0.08	2
June 11, 2012	No	0.31	101
June 18, 2012	No	3.67	11
June 25, 2012	No	0.30	11
July 2, 2012	No	3.04	13
July 9, 2012	No	0.37	2
July 16, 2012	No	1.94	1
July 23, 2012	No	2.02
July 30, 2012	No	1.64	12
August 6, 2012	No	0.1	3
August 13, 2012	No	0.06	2
August 20, 2012	No	0.06	5
August 27, 2012	No	0.04	11
September 3, 2012	No	0.14	411
September 10, 2012	No	0	0
September 17, 2012	No	0.11	12
September 24, 2012	No	0.14	19
October 1, 2012