Upper Iowa River Watershed Water Quality Database

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 Chloride (Lab) Sulfate Total Suspended Solids 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]
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3958 samples collected

Sampling Results By Year

All Years 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004

28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run29-FRE-10: French Creek16-TRU-10: Trout Run03-STA-10: Staff Creek08-SIW-40: Silver Creek West05-BEI-10: Beaver Creek, IA19-COO-20: Coon Creek32-SSP-10: Siewers Spring07-BIG-10: Bigalk Creek21-PAT-10: Patterson Creek27-SIE-10: Silver Creek East18-TRI-10: Trout River13-DRY-10: Dry Run10-PIN-10: Pine Creek01-NBR-10: N. Branch of the Upper Iowa09-COL-10: Coldwater Creek17-UIR-55: Upper Iowa River at Freeport12-TEN-10: Ten Mile04-BEM-10: Beaver Creek, MN20-CAN-10: Canoe Creek02-LIT-10: Little Iowa25-BEA-10: Bear Creek26-WAT-10: Waterloo Creek30-UIR-10: Upper Iowa River at Mouth11-CAS-10: Casey Springs22-PIE-10: Pine Creek East31-UIR-80: Upper Iowa River at Bluffton24-NBE-10: North Bear23-SBE-10: South Bear

28-CLE-10: Clear Creek21-PAT-10: Patterson Creek16-TRU-10: Trout Run03-STA-10: Staff Creek10-PIN-10: Pine Creek32-SSP-10: Siewers Spring13-DRY-10: Dry Run17-UIR-55: Upper Iowa River at Freeport12-TEN-10: Ten Mile20-CAN-10: Canoe Creek09-COL-10: Coldwater Creek19-COO-20: Coon Creek15-DDR-10: Decorah Dry Run18-TRI-10: Trout River29-FRE-10: French Creek05-BEI-10: Beaver Creek, IA01-NBR-10: N. Branch of the Upper Iowa07-BIG-10: Bigalk Creek27-SIE-10: Silver Creek East08-SIW-40: Silver Creek West02-LIT-10: Little Iowa11-CAS-10: Casey Springs26-WAT-10: Waterloo Creek31-UIR-80: Upper Iowa River at Bluffton25-BEA-10: Bear Creek24-NBE-10: North Bear30-UIR-10: Upper Iowa River at Mouth22-PIE-10: Pine Creek East04-BEM-10: Beaver Creek, MN23-SBE-10: South Bear

28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run29-FRE-10: French Creek03-STA-10: Staff Creek07-BIG-10: Bigalk Creek16-TRU-10: Trout Run19-COO-20: Coon Creek32-SSP-10: Siewers Spring13-DRY-10: Dry Run21-PAT-10: Patterson Creek04-BEM-10: Beaver Creek, MN01-NBR-10: N. Branch of the Upper Iowa08-SIW-40: Silver Creek West27-SIE-10: Silver Creek East05-BEI-10: Beaver Creek, IA02-LIT-10: Little Iowa10-PIN-10: Pine Creek26-WAT-10: Waterloo Creek18-TRI-10: Trout River09-COL-10: Coldwater Creek22-PIE-10: Pine Creek East11-CAS-10: Casey Springs12-TEN-10: Ten Mile17-UIR-55: Upper Iowa River at Freeport20-CAN-10: Canoe Creek25-BEA-10: Bear Creek30-UIR-10: Upper Iowa River at Mouth31-UIR-80: Upper Iowa River at Bluffton23-SBE-10: South Bear24-NBE-10: North Bear

16-TRU-10: Trout Run15-DDR-10: Decorah Dry Run32-SSP-10: Siewers Spring19-COO-20: Coon Creek28-CLE-10: Clear Creek29-FRE-10: French Creek13-DRY-10: Dry Run21-PAT-10: Patterson Creek02-LIT-10: Little Iowa05-BEI-10: Beaver Creek, IA17-UIR-55: Upper Iowa River at Freeport07-BIG-10: Bigalk Creek27-SIE-10: Silver Creek East03-STA-10: Staff Creek01-NBR-10: N. Branch of the Upper Iowa08-SIW-40: Silver Creek West12-TEN-10: Ten Mile20-CAN-10: Canoe Creek18-TRI-10: Trout River30-UIR-10: Upper Iowa River at Mouth10-PIN-10: Pine Creek09-COL-10: Coldwater Creek04-BEM-10: Beaver Creek, MN22-PIE-10: Pine Creek East11-CAS-10: Casey Springs25-BEA-10: Bear Creek26-WAT-10: Waterloo Creek24-NBE-10: North Bear31-UIR-80: Upper Iowa River at Bluffton23-SBE-10: South Bear

28-CLE-10: Clear Creek29-FRE-10: French Creek05-BEI-10: Beaver Creek, IA08-SIW-40: Silver Creek West19-COO-20: Coon Creek15-DDR-10: Decorah Dry Run07-BIG-10: Bigalk Creek16-TRU-10: Trout Run21-PAT-10: Patterson Creek13-DRY-10: Dry Run03-STA-10: Staff Creek27-SIE-10: Silver Creek East10-PIN-10: Pine Creek01-NBR-10: N. Branch of the Upper Iowa12-TEN-10: Ten Mile32-SSP-10: Siewers Spring25-BEA-10: Bear Creek02-LIT-10: Little Iowa09-COL-10: Coldwater Creek20-CAN-10: Canoe Creek24-NBE-10: North Bear18-TRI-10: Trout River17-UIR-55: Upper Iowa River at Freeport30-UIR-10: Upper Iowa River at Mouth04-BEM-10: Beaver Creek, MN26-WAT-10: Waterloo Creek22-PIE-10: Pine Creek East11-CAS-10: Casey Springs31-UIR-80: Upper Iowa River at Bluffton23-SBE-10: South Bear

19-COO-20: Coon Creek29-FRE-10: French Creek16-TRU-10: Trout Run28-CLE-10: Clear Creek27-SIE-10: Silver Creek East17-UIR-55: Upper Iowa River at Freeport20-CAN-10: Canoe Creek18-TRI-10: Trout River07-BIG-10: Bigalk Creek03-STA-10: Staff Creek13-DRY-10: Dry Run01-NBR-10: N. Branch of the Upper Iowa21-PAT-10: Patterson Creek30-UIR-10: Upper Iowa River at Mouth26-WAT-10: Waterloo Creek25-BEA-10: Bear Creek08-SIW-40: Silver Creek West05-BEI-10: Beaver Creek, IA32-SSP-10: Siewers Spring12-TEN-10: Ten Mile10-PIN-10: Pine Creek15-DDR-10: Decorah Dry Run22-PIE-10: Pine Creek East24-NBE-10: North Bear04-BEM-10: Beaver Creek, MN02-LIT-10: Little Iowa09-COL-10: Coldwater Creek11-CAS-10: Casey Springs23-SBE-10: South Bear31-UIR-80: Upper Iowa River at Bluffton

08-SIW-40: Silver Creek West28-CLE-10: Clear Creek29-FRE-10: French Creek07-BIG-10: Bigalk Creek27-SIE-10: Silver Creek East02-LIT-10: Little Iowa03-STA-10: Staff Creek32-SSP-10: Siewers Spring05-BEI-10: Beaver Creek, IA21-PAT-10: Patterson Creek15-DDR-10: Decorah Dry Run16-TRU-10: Trout Run12-TEN-10: Ten Mile13-DRY-10: Dry Run04-BEM-10: Beaver Creek, MN25-BEA-10: Bear Creek24-NBE-10: North Bear01-NBR-10: N. Branch of the Upper Iowa10-PIN-10: Pine Creek18-TRI-10: Trout River19-COO-20: Coon Creek20-CAN-10: Canoe Creek26-WAT-10: Waterloo Creek23-SBE-10: South Bear17-UIR-55: Upper Iowa River at Freeport09-COL-10: Coldwater Creek30-UIR-10: Upper Iowa River at Mouth22-PIE-10: Pine Creek East31-UIR-80: Upper Iowa River at Bluffton11-CAS-10: Casey Springs

28-CLE-10: Clear Creek29-FRE-10: French Creek05-BEI-10: Beaver Creek, IA07-BIG-10: Bigalk Creek16-TRU-10: Trout Run08-SIW-40: Silver Creek West15-DDR-10: Decorah Dry Run03-STA-10: Staff Creek32-SSP-10: Siewers Spring01-NBR-10: N. Branch of the Upper Iowa02-LIT-10: Little Iowa10-PIN-10: Pine Creek19-COO-20: Coon Creek21-PAT-10: Patterson Creek20-CAN-10: Canoe Creek18-TRI-10: Trout River26-WAT-10: Waterloo Creek09-COL-10: Coldwater Creek27-SIE-10: Silver Creek East17-UIR-55: Upper Iowa River at Freeport13-DRY-10: Dry Run04-BEM-10: Beaver Creek, MN25-BEA-10: Bear Creek12-TEN-10: Ten Mile11-CAS-10: Casey Springs24-NBE-10: North Bear30-UIR-10: Upper Iowa River at Mouth31-UIR-80: Upper Iowa River at Bluffton22-PIE-10: Pine Creek East23-SBE-10: South Bear

28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run16-TRU-10: Trout Run32-SSP-10: Siewers Spring29-FRE-10: French Creek08-SIW-40: Silver Creek West05-BEI-10: Beaver Creek, IA03-STA-10: Staff Creek07-BIG-10: Bigalk Creek09-COL-10: Coldwater Creek13-DRY-10: Dry Run21-PAT-10: Patterson Creek12-TEN-10: Ten Mile04-BEM-10: Beaver Creek, MN01-NBR-10: N. Branch of the Upper Iowa10-PIN-10: Pine Creek20-CAN-10: Canoe Creek19-COO-20: Coon Creek02-LIT-10: Little Iowa18-TRI-10: Trout River27-SIE-10: Silver Creek East17-UIR-55: Upper Iowa River at Freeport11-CAS-10: Casey Springs26-WAT-10: Waterloo Creek25-BEA-10: Bear Creek31-UIR-80: Upper Iowa River at Bluffton30-UIR-10: Upper Iowa River at Mouth24-NBE-10: North Bear22-PIE-10: Pine Creek East23-SBE-10: South Bear

16-TRU-10: Trout Run09-COL-10: Coldwater Creek32-SSP-10: Siewers Spring07-BIG-10: Bigalk Creek10-PIN-10: Pine Creek15-DDR-10: Decorah Dry Run03-STA-10: Staff Creek05-BEI-10: Beaver Creek, IA19-COO-20: Coon Creek29-FRE-10: French Creek17-UIR-55: Upper Iowa River at Freeport08-SIW-40: Silver Creek West28-CLE-10: Clear Creek13-DRY-10: Dry Run18-TRI-10: Trout River01-NBR-10: N. Branch of the Upper Iowa04-BEM-10: Beaver Creek, MN12-TEN-10: Ten Mile31-UIR-80: Upper Iowa River at Bluffton27-SIE-10: Silver Creek East11-CAS-10: Casey Springs20-CAN-10: Canoe Creek25-BEA-10: Bear Creek21-PAT-10: Patterson Creek02-LIT-10: Little Iowa26-WAT-10: Waterloo Creek30-UIR-10: Upper Iowa River at Mouth22-PIE-10: Pine Creek East23-SBE-10: South Bear24-NBE-10: North Bear

28-CLE-10: Clear Creek29-FRE-10: French Creek15-DDR-10: Decorah Dry Run03-STA-10: Staff Creek08-SIW-40: Silver Creek West21-PAT-10: Patterson Creek19-COO-20: Coon Creek16-TRU-10: Trout Run05-BEI-10: Beaver Creek, IA07-BIG-10: Bigalk Creek32-SSP-10: Siewers Spring17-UIR-55: Upper Iowa River at Freeport18-TRI-10: Trout River10-PIN-10: Pine Creek22-PIE-10: Pine Creek East30-UIR-10: Upper Iowa River at Mouth02-LIT-10: Little Iowa25-BEA-10: Bear Creek13-DRY-10: Dry Run12-TEN-10: Ten Mile01-NBR-10: N. Branch of the Upper Iowa26-WAT-10: Waterloo Creek11-CAS-10: Casey Springs27-SIE-10: Silver Creek East20-CAN-10: Canoe Creek09-COL-10: Coldwater Creek24-NBE-10: North Bear23-SBE-10: South Bear31-UIR-80: Upper Iowa River at Bluffton04-BEM-10: Beaver Creek, MN

15-DDR-10: Decorah Dry Run03-STA-10: Staff Creek28-CLE-10: Clear Creek19-COO-20: Coon Creek29-FRE-10: French Creek21-PAT-10: Patterson Creek32-SSP-10: Siewers Spring08-SIW-40: Silver Creek West20-CAN-10: Canoe Creek01-NBR-10: N. Branch of the Upper Iowa05-BEI-10: Beaver Creek, IA13-DRY-10: Dry Run27-SIE-10: Silver Creek East10-PIN-10: Pine Creek16-TRU-10: Trout Run22-PIE-10: Pine Creek East04-BEM-10: Beaver Creek, MN07-BIG-10: Bigalk Creek25-BEA-10: Bear Creek09-COL-10: Coldwater Creek11-CAS-10: Casey Springs18-TRI-10: Trout River12-TEN-10: Ten Mile26-WAT-10: Waterloo Creek30-UIR-10: Upper Iowa River at Mouth31-UIR-80: Upper Iowa River at Bluffton02-LIT-10: Little Iowa17-UIR-55: Upper Iowa River at Freeport23-SBE-10: South Bear24-NBE-10: North Bear

28-CLE-10: Clear Creek07-BIG-10: Bigalk Creek08-SIW-40: Silver Creek West03-STA-10: Staff Creek29-FRE-10: French Creek32-SSP-10: Siewers Spring16-TRU-10: Trout Run05-BEI-10: Beaver Creek, IA15-DDR-10: Decorah Dry Run27-SIE-10: Silver Creek East01-NBR-10: N. Branch of the Upper Iowa19-COO-20: Coon Creek21-PAT-10: Patterson Creek04-BEM-10: Beaver Creek, MN10-PIN-10: Pine Creek09-COL-10: Coldwater Creek02-LIT-10: Little Iowa13-DRY-10: Dry Run12-TEN-10: Ten Mile17-UIR-55: Upper Iowa River at Freeport18-TRI-10: Trout River22-PIE-10: Pine Creek East11-CAS-10: Casey Springs30-UIR-10: Upper Iowa River at Mouth25-BEA-10: Bear Creek26-WAT-10: Waterloo Creek31-UIR-80: Upper Iowa River at Bluffton23-SBE-10: South Bear24-NBE-10: North Bear20-CAN-10: Canoe Creek

16-TRU-10: Trout Run28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run19-COO-20: Coon Creek27-SIE-10: Silver Creek East29-FRE-10: French Creek21-PAT-10: Patterson Creek05-BEI-10: Beaver Creek, IA08-SIW-40: Silver Creek West26-WAT-10: Waterloo Creek32-SSP-10: Siewers Spring03-STA-10: Staff Creek07-BIG-10: Bigalk Creek18-TRI-10: Trout River02-LIT-10: Little Iowa25-BEA-10: Bear Creek01-NBR-10: N. Branch of the Upper Iowa04-BEM-10: Beaver Creek, MN10-PIN-10: Pine Creek20-CAN-10: Canoe Creek13-DRY-10: Dry Run17-UIR-55: Upper Iowa River at Freeport30-UIR-10: Upper Iowa River at Mouth12-TEN-10: Ten Mile09-COL-10: Coldwater Creek24-NBE-10: North Bear31-UIR-80: Upper Iowa River at Bluffton22-PIE-10: Pine Creek East11-CAS-10: Casey Springs23-SBE-10: South Bear

29-FRE-10: French Creek28-CLE-10: Clear Creek03-STA-10: Staff Creek15-DDR-10: Decorah Dry Run01-NBR-10: N. Branch of the Upper Iowa08-SIW-40: Silver Creek West21-PAT-10: Patterson Creek05-BEI-10: Beaver Creek, IA18-TRI-10: Trout River10-PIN-10: Pine Creek04-BEM-10: Beaver Creek, MN16-TRU-10: Trout Run27-SIE-10: Silver Creek East30-UIR-10: Upper Iowa River at Mouth22-PIE-10: Pine Creek East26-WAT-10: Waterloo Creek09-COL-10: Coldwater Creek07-BIG-10: Bigalk Creek13-DRY-10: Dry Run25-BEA-10: Bear Creek02-LIT-10: Little Iowa11-CAS-10: Casey Springs23-SBE-10: South Bear12-TEN-10: Ten Mile17-UIR-55: Upper Iowa River at Freeport20-CAN-10: Canoe Creek31-UIR-80: Upper Iowa River at Bluffton24-NBE-10: North Bear19-COO-20: Coon Creek32-SSP-10: Siewers Spring

15-DDR-10: Decorah Dry Run28-CLE-10: Clear Creek27-SIE-10: Silver Creek East05-BEI-10: Beaver Creek, IA07-BIG-10: Bigalk Creek16-TRU-10: Trout Run21-PAT-10: Patterson Creek01-NBR-10: N. Branch of the Upper Iowa08-SIW-40: Silver Creek West18-TRI-10: Trout River03-STA-10: Staff Creek29-FRE-10: French Creek13-DRY-10: Dry Run04-BEM-10: Beaver Creek, MN10-PIN-10: Pine Creek17-UIR-55: Upper Iowa River at Freeport22-PIE-10: Pine Creek East11-CAS-10: Casey Springs30-UIR-10: Upper Iowa River at Mouth09-COL-10: Coldwater Creek24-NBE-10: North Bear02-LIT-10: Little Iowa20-CAN-10: Canoe Creek26-WAT-10: Waterloo Creek12-TEN-10: Ten Mile23-SBE-10: South Bear25-BEA-10: Bear Creek31-UIR-80: Upper Iowa River at Bluffton32-SSP-10: Siewers Spring19-COO-20: Coon Creek

16-TRU-10: Trout Run09-COL-10: Coldwater Creek07-BIG-10: Bigalk Creek28-CLE-10: Clear Creek05-BEI-10: Beaver Creek, IA27-SIE-10: Silver Creek East29-FRE-10: French Creek21-PAT-10: Patterson Creek20-CAN-10: Canoe Creek08-SIW-40: Silver Creek West17-UIR-55: Upper Iowa River at Freeport15-DDR-10: Decorah Dry Run12-TEN-10: Ten Mile30-UIR-10: Upper Iowa River at Mouth18-TRI-10: Trout River10-PIN-10: Pine Creek03-STA-10: Staff Creek13-DRY-10: Dry Run01-NBR-10: N. Branch of the Upper Iowa26-WAT-10: Waterloo Creek25-BEA-10: Bear Creek24-NBE-10: North Bear23-SBE-10: South Bear31-UIR-80: Upper Iowa River at Bluffton11-CAS-10: Casey Springs04-BEM-10: Beaver Creek, MN02-LIT-10: Little Iowa22-PIE-10: Pine Creek East19-COO-20: Coon Creek32-SSP-10: Siewers Spring

28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run18-TRI-10: Trout River16-TRU-10: Trout Run07-BIG-10: Bigalk Creek08-SIW-40: Silver Creek West13-DRY-10: Dry Run30-UIR-10: Upper Iowa River at Mouth21-PAT-10: Patterson Creek29-FRE-10: French Creek03-STA-10: Staff Creek05-BEI-10: Beaver Creek, IA25-BEA-10: Bear Creek04-BEM-10: Beaver Creek, MN27-SIE-10: Silver Creek East10-PIN-10: Pine Creek17-UIR-55: Upper Iowa River at Freeport20-CAN-10: Canoe Creek12-TEN-10: Ten Mile09-COL-10: Coldwater Creek02-LIT-10: Little Iowa26-WAT-10: Waterloo Creek24-NBE-10: North Bear22-PIE-10: Pine Creek East23-SBE-10: South Bear31-UIR-80: Upper Iowa River at Bluffton01-NBR-10: N. Branch of the Upper Iowa11-CAS-10: Casey Springs19-COO-20: Coon Creek32-SSP-10: Siewers Spring

28-CLE-10: Clear Creek15-DDR-10: Decorah Dry Run05-BEI-10: Beaver Creek, IA18-TRI-10: Trout River29-FRE-10: French Creek08-SIW-40: Silver Creek West03-STA-10: Staff Creek21-PAT-10: Patterson Creek27-SIE-10: Silver Creek East10-PIN-10: Pine Creek16-TRU-10: Trout Run12-TEN-10: Ten Mile09-COL-10: Coldwater Creek04-BEM-10: Beaver Creek, MN13-DRY-10: Dry Run20-CAN-10: Canoe Creek26-WAT-10: Waterloo Creek02-LIT-10: Little Iowa11-CAS-10: Casey Springs07-BIG-10: Bigalk Creek17-UIR-55: Upper Iowa River at Freeport25-BEA-10: Bear Creek22-PIE-10: Pine Creek East31-UIR-80: Upper Iowa River at Bluffton23-SBE-10: South Bear30-UIR-10: Upper Iowa River at Mouth24-NBE-10: North Bear01-NBR-10: N. Branch of the Upper Iowa32-SSP-10: Siewers Spring19-COO-20: Coon Creek

28-CLE-10: Clear Creek05-BEI-10: Beaver Creek, IA08-SIW-40: Silver Creek West29-FRE-10: French Creek18-TRI-10: Trout River07-BIG-10: Bigalk Creek03-STA-10: Staff Creek21-PAT-10: Patterson Creek15-DDR-10: Decorah Dry Run10-PIN-10: Pine Creek20-CAN-10: Canoe Creek01-NBR-10: N. Branch of the Upper Iowa16-TRU-10: Trout Run26-WAT-10: Waterloo Creek02-LIT-10: Little Iowa25-BEA-10: Bear Creek27-SIE-10: Silver Creek East04-BEM-10: Beaver Creek, MN09-COL-10: Coldwater Creek30-UIR-10: Upper Iowa River at Mouth11-CAS-10: Casey Springs17-UIR-55: Upper Iowa River at Freeport13-DRY-10: Dry Run22-PIE-10: Pine Creek East23-SBE-10: South Bear24-NBE-10: North Bear12-TEN-10: Ten Mile31-UIR-80: Upper Iowa River at Bluffton19-COO-20: Coon Creek32-SSP-10: Siewers Spring

Database and website built and maintained by Northeast Iowa Resource Conservation & Development.