Johnson Lake near Lexington at North End
Data updated on: 09/07/2005

Seasonal
Geometric Mean
Geometric Mean for
last 5 samples
Single Sample Maximum
9
Compare to 126
41
Compare to 126
2419
Compare to 235
Date
E. coli
(# per 100 ml)
Date
E. coli
(# per 100 ml)
05/02/2005
No Data
07/18/2005
11
05/09/2005
No Data
07/25/2005
2
05/16/2005
8.5
08/01/2005
3
05/23/2005
12
08/08/2005
3
05/30/2005
20
08/15/2005
346
06/06/2005
6.3
08/22/2005
15
06/13/2005
4.1
08/29/2005
2419
06/20/2005
15.6
09/05/2005
No Data
06/27/2005
48.7
09/12/2005
No Data
07/04/2005
No Data
09/19/2005
No Data
07/11/2005
6.3
09/26/2005
No Data

Note: Data flagged with * did not meet NDEQ's Quality Assurance Standards

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