For questions about the King County  Swimming Beach Monitoring Program, please contact Dean Wilson, Program Manager

For questions about the Swimming Beach Web site, please contact Daniel Smith

Idylwood Creek

Select another beach    

Sample DateFecal ColiformTemperature (C)Temperature (F)
9/22/200918013.055.0
9/15/200923015.059.0
9/8/200914014.057.0
8/31/200912015.059.0
8/25/200926014.057.0
8/18/20096622.072.0
8/11/200916,00017.063.0
8/4/200975016.061.0
7/28/200941017.063.0
7/21/20096,00015.059.0
7/14/200949015.058.0
7/7/20092,60014.057.0
6/29/20098113.055.0
6/23/200916012.054.0
6/15/200916014.057.0
6/9/20097915.059.0
6/2/20096815.059.0
5/26/20092313.055.0
5/18/200910012.054.0
5/12/200918011.052.0
Fecal Coliform Geometric Mean
178
146
341
477
610
1143
1706
1186
760
630
305
212
102
79
72
74
-99
-99
-99
-99

Table Legend

Cell Color Fecal Coliform Value Concern Level
Individual value < 200 CFU/100 ml Low Concern
Individual value > 200 & < 1000 CFU/100 ml Moderate Concern
Individual value > 1000 CFU/100 ml
or geometric mean > 200 CFU/100 ml		 High Concern


To top
Updated: 9/22/2009