Water Quality Database
Sampling Parameters
View All
Nitrate + Nitrite Nitrogen as N
Total Phosphate as P
E. Coli Bacteria
Transparency
Temperature - Celsius
Temperature in Fahrenheit
pH
Ammonia Nitrogen as N
(current)
Chloride (Lab)
Sulfate
Total Suspended Solids
Atrazine - Screen
Membrane Fecal Coliform
Total Flow
Instantaneous Discharge
Gage Height
Sampling Locations
View All
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
Download Ammonia Data
CSV Format
2497 samples collected
Sampling Results By Year
All Years
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2002
2001
2000
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for All Years
(mg/L)
0.14
0.14
0.12
0.12
0.1
0.1
0.09
0.09
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.07
0.07
0.07
0.07
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
0.13
0.14
0.15
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
19-COO-20: Coon Creek
08-SIW-40: Silver Creek West
01-NBR-10: N. Branch of the Upper Iowa
16-TRU-10: Trout Run
27-SIE-10: Silver Creek East
04-BEM-10: Beaver Creek, MN
05-BEI-10: Beaver Creek, IA
28-CLE-10: Clear Creek
07-BIG-10: Bigalk Creek
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
30-UIR-10: Upper Iowa River at Mouth
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
15-DDR-10: Decorah Dry Run
10-PIN-10: Pine Creek
13-DRY-10: Dry Run
24-NBE-10: North Bear
17-UIR-55: Upper Iowa River at Freeport
31-UIR-80: Upper Iowa River at Bluffton
29-FRE-10: French Creek
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
18-TRI-10: Trout River
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
09-COL-10: Coldwater Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2013
(mg/L)
0.27
0.27
0.21
0.21
0.1
0.1
0.1
0.1
0.09
0.09
0.09
0.09
0.09
0.09
0.09
0.09
0.08
0.08
0.08
0.08
0.08
0.08
0.07
0.07
0.07
0.07
0.07
0.07
0.07
0.07
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.24
0.26
0.28
0.3
19-COO-20: Coon Creek
28-CLE-10: Clear Creek
13-DRY-10: Dry Run
30-UIR-10: Upper Iowa River at Mouth
01-NBR-10: N. Branch of the Upper Iowa
07-BIG-10: Bigalk Creek
05-BEI-10: Beaver Creek, IA
21-PAT-10: Patterson Creek
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
03-STA-10: Staff Creek
08-SIW-40: Silver Creek West
02-LIT-10: Little Iowa
16-TRU-10: Trout Run
26-WAT-10: Waterloo Creek
17-UIR-55: Upper Iowa River at Freeport
11-CAS-10: Casey Springs
04-BEM-10: Beaver Creek, MN
31-UIR-80: Upper Iowa River at Bluffton
29-FRE-10: French Creek
25-BEA-10: Bear Creek
27-SIE-10: Silver Creek East
24-NBE-10: North Bear
20-CAN-10: Canoe Creek
18-TRI-10: Trout River
15-DDR-10: Decorah Dry Run
12-TEN-10: Ten Mile
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2012
(mg/L)
0.38
0.38
0.29
0.29
0.1
0.1
0.09
0.09
0.08
0.08
0.07
0.07
0.06
0.06
0.06
0.06
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.025
0.05
0.075
0.1
0.125
0.15
0.175
0.2
0.225
0.25
0.275
0.3
0.325
0.35
0.375
0.4
08-SIW-40: Silver Creek West
27-SIE-10: Silver Creek East
28-CLE-10: Clear Creek
03-STA-10: Staff Creek
15-DDR-10: Decorah Dry Run
02-LIT-10: Little Iowa
12-TEN-10: Ten Mile
07-BIG-10: Bigalk Creek
10-PIN-10: Pine Creek
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
13-DRY-10: Dry Run
11-CAS-10: Casey Springs
09-COL-10: Coldwater Creek
05-BEI-10: Beaver Creek, IA
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2011
(mg/L)
0.06
0.06
0.06
0.06
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.055
0.06
0.065
08-SIW-40: Silver Creek West
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
28-CLE-10: Clear Creek
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
15-DDR-10: Decorah Dry Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
07-BIG-10: Bigalk Creek
05-BEI-10: Beaver Creek, IA
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
27-SIE-10: Silver Creek East
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2010
(mg/L)
0.08
0.08
0.07
0.07
0.07
0.07
0.07
0.07
0.06
0.06
0.05
0.05
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.055
0.06
0.065
0.07
0.075
0.08
0.0…
0.085
15-DDR-10: Decorah Dry Run
27-SIE-10: Silver Creek East
16-TRU-10: Trout Run
04-BEM-10: Beaver Creek, MN
28-CLE-10: Clear Creek
02-LIT-10: Little Iowa
18-TRI-10: Trout River
19-COO-20: Coon Creek
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
17-UIR-55: Upper Iowa River at Freeport
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
05-BEI-10: Beaver Creek, IA
03-STA-10: Staff Creek
32-SSP-10: Siewers Spring
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
01-NBR-10: N. Branch of the Upper Iowa
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2009
(mg/L)
0.12
0.12
0.09
0.09
0.08
0.08
0.08
0.08
0.07
0.07
0.06
0.06
0.06
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
0.13
08-SIW-40: Silver Creek West
04-BEM-10: Beaver Creek, MN
15-DDR-10: Decorah Dry Run
10-PIN-10: Pine Creek
28-CLE-10: Clear Creek
01-NBR-10: N. Branch of the Upper Iowa
07-BIG-10: Bigalk Creek
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
09-COL-10: Coldwater Creek
05-BEI-10: Beaver Creek, IA
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2008
(mg/L)
0.19
0.19
0.18
0.18
0.17
0.17
0.15
0.15
0.13
0.13
0.13
0.13
0.12
0.12
0.11
0.11
0.11
0.11
0.09
0.09
0.09
0.09
0.09
0.09
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.07
0.07
0.07
0.07
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
0.13
0.14
0.15
0.16
0.17
0.18
0.19
0.2
01-NBR-10: N. Branch of the Upper Iowa
21-PAT-10: Patterson Creek
05-BEI-10: Beaver Creek, IA
27-SIE-10: Silver Creek East
04-BEM-10: Beaver Creek, MN
08-SIW-40: Silver Creek West
10-PIN-10: Pine Creek
02-LIT-10: Little Iowa
09-COL-10: Coldwater Creek
07-BIG-10: Bigalk Creek
16-TRU-10: Trout Run
31-UIR-80: Upper Iowa River at Bluffton
20-CAN-10: Canoe Creek
03-STA-10: Staff Creek
12-TEN-10: Ten Mile
17-UIR-55: Upper Iowa River at Freeport
24-NBE-10: North Bear
11-CAS-10: Casey Springs
29-FRE-10: French Creek
28-CLE-10: Clear Creek
25-BEA-10: Bear Creek
15-DDR-10: Decorah Dry Run
23-SBE-10: South Bear
30-UIR-10: Upper Iowa River at Mouth
26-WAT-10: Waterloo Creek
22-PIE-10: Pine Creek East
19-COO-20: Coon Creek
18-TRI-10: Trout River
13-DRY-10: Dry Run
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2007
(mg/L)
0.26
0.26
0.09
0.09
0.07
0.07
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.24
0.26
0.28
16-TRU-10: Trout Run
21-PAT-10: Patterson Creek
29-FRE-10: French Creek
31-UIR-80: Upper Iowa River at Bluffton
28-CLE-10: Clear Creek
05-BEI-10: Beaver Creek, IA
17-UIR-55: Upper Iowa River at Freeport
04-BEM-10: Beaver Creek, MN
15-DDR-10: Decorah Dry Run
19-COO-20: Coon Creek
18-TRI-10: Trout River
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
01-NBR-10: N. Branch of the Upper Iowa
30-UIR-10: Upper Iowa River at Mouth
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
20-CAN-10: Canoe Creek
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2006
(mg/L)
0.08
0.08
0.07
0.07
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.06
0.05
0.05
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.055
0.06
0.065
0.07
0.075
0.08
0.0…
0.085
01-NBR-10: N. Branch of the Upper Iowa
07-BIG-10: Bigalk Creek
04-BEM-10: Beaver Creek, MN
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
17-UIR-55: Upper Iowa River at Freeport
15-DDR-10: Decorah Dry Run
05-BEI-10: Beaver Creek, IA
30-UIR-10: Upper Iowa River at Mouth
22-PIE-10: Pine Creek East
16-TRU-10: Trout Run
18-TRI-10: Trout River
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
31-UIR-80: Upper Iowa River at Bluffton
29-FRE-10: French Creek
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2005
(mg/L)
0.96
0.96
0.66
0.66
0.2
0.2
0.12
0.12
0.1
0.1
0.06
0.06
0.05
0.05
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.55
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
1.…
1.05
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
30-UIR-10: Upper Iowa River at Mouth
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
05-BEI-10: Beaver Creek, IA
10-PIN-10: Pine Creek
02-LIT-10: Little Iowa
15-DDR-10: Decorah Dry Run
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
03-STA-10: Staff Creek
31-UIR-80: Upper Iowa River at Bluffton
29-FRE-10: French Creek
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2004
(mg/L)
0.2
0.2
0.1
0.1
0.09
0.09
0.07
0.07
0.06
0.06
0.05
0.05
0.05
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
0.22
20-CAN-10: Canoe Creek
13-DRY-10: Dry Run
18-TRI-10: Trout River
04-BEM-10: Beaver Creek, MN
05-BEI-10: Beaver Creek, IA
15-DDR-10: Decorah Dry Run
01-NBR-10: N. Branch of the Upper Iowa
26-WAT-10: Waterloo Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
28-CLE-10: Clear Creek
19-COO-20: Coon Creek
29-FRE-10: French Creek
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
02-LIT-10: Little Iowa
30-UIR-10: Upper Iowa River at Mouth
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
31-UIR-80: Upper Iowa River at Bluffton
32-SSP-10: Siewers Spring
03-STA-10: Staff Creek
27-SIE-10: Silver Creek East
25-BEA-10: Bear Creek
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2002
(mg/L)
0.07
0.07
0.06
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.055
0.06
0.065
0.07
0.075
05-BEI-10: Beaver Creek, IA
07-BIG-10: Bigalk Creek
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
15-DDR-10: Decorah Dry Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
01-NBR-10: N. Branch of the Upper Iowa
31-UIR-80: Upper Iowa River at Bluffton
04-BEM-10: Beaver Creek, MN
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2001
(mg/L)
0.08
0.08
0.08
0.08
0.08
0.08
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ammonia
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.055
0.06
0.065
0.07
0.075
0.08
0.0…
0.085
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
02-LIT-10: Little Iowa
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
22-PIE-10: Pine Creek East
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
15-DDR-10: Decorah Dry Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
05-BEI-10: Beaver Creek, IA
03-STA-10: Staff Creek
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Mean Ammonia Nitrogen as N for 2000
(mg/L)
0.59
0.59
0.34
0.34
0.19
0.19
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0
0
0
0
0
0
Ammonia
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.55
0.6
0.65
22-PIE-10: Pine Creek East
24-NBE-10: North Bear
23-SBE-10: South Bear
27-SIE-10: Silver Creek East
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
30-UIR-10: Upper Iowa River at Mouth
29-FRE-10: French Creek
28-CLE-10: Clear Creek
03-STA-10: Staff Creek
02-LIT-10: Little Iowa
18-TRI-10: Trout River
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
01-NBR-10: N. Branch of the Upper Iowa
17-UIR-55: Upper Iowa River at Freeport
16-TRU-10: Trout Run
15-DDR-10: Decorah Dry Run
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
08-SIW-40: Silver Creek West
07-BIG-10: Bigalk Creek
05-BEI-10: Beaver Creek, IA
04-BEM-10: Beaver Creek, MN
31-UIR-80: Upper Iowa River at Bluffton
32-SSP-10: Siewers Spring
19-COO-20: Coon Creek