Rockford Reservoir at swimming beach south of dam

Data updated on: 10/04/2002

Seasonal Geometric Mean	Geometric Mean for last 5 samples	Upper 10th Percentile
9 Compare to 200	2 Compare to 200	157 Compare to 400

Date	Fecal Coliform (# per 100 ml)	Date	Fecal Coliform (# per 100 ml)
04/15/2002	No Data	07/15/2002	2
04/22/2002	No Data	07/22/2002	1
04/29/2002	11	07/29/2002	8
05/06/2002	8	08/05/2002	1
05/13/2002	20000	08/12/2002	2
05/20/2002	20	08/19/2002	4
05/27/2002	580	08/26/2002	10
06/03/2002	80*	09/02/2002	2
06/10/2002	22	09/09/2002	1
06/17/2002	30	09/16/2002	1
06/24/2002	176	09/23/2002	1
07/01/2002	2	09/30/2002	6
07/08/2002	4

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