Water Quality Database
Sampling Parameters
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Nitrate + Nitrite Nitrogen as N
Total Phosphate as P
E. Coli Bacteria
(current)
Transparency
Temperature - Celsius
Temperature in Fahrenheit
pH
Ammonia Nitrogen as N
Total Suspended Solids
Chloride (Lab)
Sulfate
Atrazine - Screen
Membrane Fecal Coliform
Total Flow
Instantaneous Discharge
Gage Height
Sampling Locations
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Bear Creek
[25-BEA-10]
Beaver Creek, IA
[05-BEI-10]
Beaver Creek, MN
[04-BEM-10]
Bigalk Creek
[07-BIG-10]
Canoe Creek
[20-CAN-10]
Casey Springs
[11-CAS-10]
Clear Creek
[28-CLE-10]
Coldwater Creek
[09-COL-10]
Coon Creek
[19-COO-20]
Decorah Dry Run
[15-DDR-10]
Dry Run
[13-DRY-10]
French Creek
[29-FRE-10]
Little Iowa
[02-LIT-10]
N. Branch of the Upper Iowa
[01-NBR-10]
North Bear
[24-NBE-10]
Patterson Creek
[21-PAT-10]
Pine Creek
[10-PIN-10]
Pine Creek East
[22-PIE-10]
Siewers Spring
[32-SSP-10]
Silver Creek East
[27-SIE-10]
Silver Creek West
[08-SIW-40]
South Bear
[23-SBE-10]
Staff Creek
[03-STA-10]
Ten Mile
[12-TEN-10]
Trout River
[18-TRI-10]
Trout Run
[16-TRU-10]
Upper Iowa River at Bluffton
[31-UIR-80]
Upper Iowa River at Freeport
[17-UIR-55]
Upper Iowa River at Mouth
[30-UIR-10]
Waterloo Creek
[26-WAT-10]
About
UpperIowaRiver.org
E. Coli Bacteria
Average of all samples
0 MPN/100mL
2000 MPN/100mL
Sampling Results By Year
All Years
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004