Johnson Lake at Southeast Swimming Beach

Data updated on: 10/03/2003

Seasonal Geometric Mean	Geometric Mean for last 5 samples	Single Sample Maximum
10 Compare to 126	44 Compare to 126	629 Compare to 235

Date	E. coli (# per 100 ml)	Date	E. coli (# per 100 ml)
05/05/2003	6	07/21/2003	17
5/12/2003	18	07/28/2003	0
05/19/2003	629	08/04/2003	1
05/27/2003	12	08/11/2003	2
06/02/2003	285	08/18/2003	1
06/09/2003	7	08/25/2003	31
06/16/2003	2	09/02/2003	14
06/23/2003	97	09/08/2003	16
06/30/2003	0	09/15/2003	20
07/07/2003	6	09/22/2003	265
07/14/2003	3	09/29/2003	135

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

For more information, contact
MoreInfo@NDEQ.state.NE.US

Nebraska Department of Environmental Quality
1200 "N" Street, Suite 400
P.O. Box 98922
Lincoln, Nebraska 68509
(402) 471-2186 FAX (402) 471-2909