Bader Park Swimming Lake  at Beach (Sampling Site 1)

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 - Chapman	Merrick County
This Lake is Sampled Weekly.
Toxic Algae Data updated on: 9/30/10	Bacteria (E. coli) data updated: 9/28/10
Level of Microcystin (ppb)	E. coli (# per 100 ml)
0.04	2
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 3, 2010	No	0.05	0
May 11, 2009	No	0,05	1
May 18, 2009	No	0	0
May 25, 2009	No	0	179
June 1, 2009	No	0.06	31
June 8, 2009	No	0.09	23
June 15, 2009	No	0.03	23
June 22, 2009	No	0.04	99
June 29, 2009	No	0.13	3
July 6, 2009	No	.02	7
July 13, 2009	No	.01	2
July 20, 2009	No	0.02	12
July 27, 2009	No	0	35
August 3, 2009	No	0.08	6
August 10, 2009	No	0.04	3
August 17, 2009	No	0.06	3
August 24, 2009	No	0	7
August 31, 2009	No	0	2
September 7, 2009	No	0	2
September 14, 2009	No	0.04	1
September 21, 2009	No	0	72
September 28, 2009		0.04	2