Lewis & Clark Reservoir @ Weigland Beach

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 - Crofton
Knox County
This Lake is sampled weekly.
Data updated on: 10/01/2008
Level of Microcystin (ppb)
E. coli (# per 100 ml)
0
146
This Lake is NOT on Toxic Algae Health Alert.

Bacteria (E. coli) Information
The chart below shows sampling results for bacteria collected in 2008.

Seasonal
Geometric Mean
Geometric Mean for
last 5 samples
Single Sample Maximum
38
Compare to 126
23
Compare to 126
5200
Compare to 235


Toxic Algae (Microcystin) & Bacteria (E. coli) Data
This table shows all sampling results for toxic algae and bacteria collected in 2008.

Week Starting
Weekly Health
Alert
Level of Microcystin (ppb)
E. coli
(# per 100 ml)
05/12/2008
24
05/19/2008
No
0.24
14
05/26/2008
No
0
5,200
06/02/2008
No
0
1030
06/09/2008
No
0.18
624
06/16/2008
No
0
328
06/23/2008
No
0
*68
06/30/2008
No
0
*4
07/07/2008
No
0
10
07/14/2008
No
0
8
07/21/2008
No
0
300
07/28/2008
No
0
384
08/04/2008
No
0.20
40
08/11/2008
No
0
2
08/18/2008
No
0
2
08/25/2008
No
0
8
09/01/2008
No
0.30
17
09/08/2008
No
0.30
8
09/15/2008
No
0
10
09/22/2008
No
0
31
09/29/2008
No
0
146
10/06/2008



Nebraska Department of Environmental Quality
1200 "N" Street, Suite 400
P.O. Box 98922
Lincoln, Nebraska 68509
(402) 471-2186