Swan Lake 5A near Tobias at South Beach

Data updated on: 08/06/2003

Seasonal Geometric Mean	Geometric Mean for last 5 samples	Single Sample Maximum
12 Compare to 126	2 Compare to 126	1300 Compare to 235

Date	E. coli (# per 100 ml)	Date	E. coli (# per 100 ml)
05/05/2003	140	07/21/2003	2
5/12/2003	62	07/28/2003	7
05/19/2003	1300	08/04/2003	1
05/27/2003	63	08/11/2003	No Data
06/02/2003	30	08/18/2003	No Data
06/09/2003	16	08/25/2003	No Data
06/16/2003	4	09/02/2003	No Data
06/23/2003	11	09/08/2003	No Data
06/30/2003	5	09/15/2003	No Data
07/07/2003	1	09/22/2003	No Data
07/14/2003	1	09/29/2003	No Data

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