Water Quality Database
Sampling Parameters
View All
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
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 E. Coli Data
CSV Format
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
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for All Years
(MPN/100mL)
1 411
1 411
773
773
759
759
621
621
537
537
536
536
522
522
502
502
499
499
456
456
437
437
325
325
304
304
278
278
272
272
263
263
211
211
199
199
195
195
193
193
193
193
188
188
154
154
154
154
147
147
120
120
113
113
91
91
89
89
69
69
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
29-FRE-10: French Creek
16-TRU-10: Trout Run
03-STA-10: Staff Creek
08-SIW-40: Silver Creek West
05-BEI-10: Beaver Creek, IA
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
07-BIG-10: Bigalk Creek
21-PAT-10: Patterson Creek
27-SIE-10: Silver Creek East
18-TRI-10: Trout River
13-DRY-10: Dry Run
10-PIN-10: Pine Creek
01-NBR-10: N. Branch of the Upper Iowa
09-COL-10: Coldwater Creek
17-UIR-55: Upper Iowa River at Freeport
12-TEN-10: Ten Mile
04-BEM-10: Beaver Creek, MN
20-CAN-10: Canoe Creek
02-LIT-10: Little Iowa
25-BEA-10: Bear Creek
26-WAT-10: Waterloo Creek
30-UIR-10: Upper Iowa River at Mouth
11-CAS-10: Casey Springs
22-PIE-10: Pine Creek East
31-UIR-80: Upper Iowa River at Bluffton
24-NBE-10: North Bear
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2022
(MPN/100mL)
692
692
577
577
559
559
524
524
499
499
491
491
482
482
472
472
437
437
416
416
370
370
341
341
325
325
317
317
273
273
255
255
250
250
243
243
239
239
177
177
172
172
172
172
144
144
128
128
126
126
106
106
105
105
101
101
101
101
38
38
E. Coli
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
28-CLE-10: Clear Creek
21-PAT-10: Patterson Creek
16-TRU-10: Trout Run
03-STA-10: Staff Creek
10-PIN-10: Pine Creek
32-SSP-10: Siewers Spring
13-DRY-10: Dry Run
17-UIR-55: Upper Iowa River at Freeport
12-TEN-10: Ten Mile
20-CAN-10: Canoe Creek
09-COL-10: Coldwater Creek
19-COO-20: Coon Creek
15-DDR-10: Decorah Dry Run
18-TRI-10: Trout River
29-FRE-10: French Creek
05-BEI-10: Beaver Creek, IA
01-NBR-10: N. Branch of the Upper Iowa
07-BIG-10: Bigalk Creek
27-SIE-10: Silver Creek East
08-SIW-40: Silver Creek West
02-LIT-10: Little Iowa
11-CAS-10: Casey Springs
26-WAT-10: Waterloo Creek
31-UIR-80: Upper Iowa River at Bluffton
25-BEA-10: Bear Creek
24-NBE-10: North Bear
30-UIR-10: Upper Iowa River at Mouth
22-PIE-10: Pine Creek East
04-BEM-10: Beaver Creek, MN
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2021
(MPN/100mL)
960
960
791
791
611
611
523
523
521
521
467
467
448
448
435
435
420
420
252
252
243
243
234
234
193
193
176
176
164
164
123
123
114
114
112
112
112
112
111
111
103
103
102
102
87
87
87
87
52
52
51
51
50
50
43
43
37
37
32
32
E. Coli
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1…
1050
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
29-FRE-10: French Creek
03-STA-10: Staff Creek
07-BIG-10: Bigalk Creek
16-TRU-10: Trout Run
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
13-DRY-10: Dry Run
21-PAT-10: Patterson Creek
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
08-SIW-40: Silver Creek West
27-SIE-10: Silver Creek East
05-BEI-10: Beaver Creek, IA
02-LIT-10: Little Iowa
10-PIN-10: Pine Creek
26-WAT-10: Waterloo Creek
18-TRI-10: Trout River
09-COL-10: Coldwater Creek
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
12-TEN-10: Ten Mile
17-UIR-55: Upper Iowa River at Freeport
20-CAN-10: Canoe Creek
25-BEA-10: Bear Creek
30-UIR-10: Upper Iowa River at Mouth
31-UIR-80: Upper Iowa River at Bluffton
23-SBE-10: South Bear
24-NBE-10: North Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2020
(MPN/100mL)
610
610
387
387
383
383
339
339
324
324
262
262
248
248
199
199
177
177
177
177
175
175
160
160
153
153
144
144
121
121
93
93
92
92
90
90
79
79
76
76
72
72
70
70
63
63
62
62
57
57
55
55
51
51
50
50
47
47
31
31
E. Coli
0
50
100
150
200
250
300
350
400
450
500
550
600
650
16-TRU-10: Trout Run
15-DDR-10: Decorah Dry Run
32-SSP-10: Siewers Spring
19-COO-20: Coon Creek
28-CLE-10: Clear Creek
29-FRE-10: French Creek
13-DRY-10: Dry Run
21-PAT-10: Patterson Creek
02-LIT-10: Little Iowa
05-BEI-10: Beaver Creek, IA
17-UIR-55: Upper Iowa River at Freeport
07-BIG-10: Bigalk Creek
27-SIE-10: Silver Creek East
03-STA-10: Staff Creek
01-NBR-10: N. Branch of the Upper Iowa
08-SIW-40: Silver Creek West
12-TEN-10: Ten Mile
20-CAN-10: Canoe Creek
18-TRI-10: Trout River
30-UIR-10: Upper Iowa River at Mouth
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
04-BEM-10: Beaver Creek, MN
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
25-BEA-10: Bear Creek
26-WAT-10: Waterloo Creek
24-NBE-10: North Bear
31-UIR-80: Upper Iowa River at Bluffton
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2019
(MPN/100mL)
770
770
708
708
649
649
643
643
634
634
507
507
333
333
274
274
230
230
224
224
197
197
190
190
189
189
175
175
157
157
151
151
143
143
142
142
135
135
133
133
128
128
121
121
121
121
117
117
113
113
92
92
79
79
79
79
72
72
48
48
E. Coli
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
28-CLE-10: Clear Creek
29-FRE-10: French Creek
05-BEI-10: Beaver Creek, IA
08-SIW-40: Silver Creek West
19-COO-20: Coon Creek
15-DDR-10: Decorah Dry Run
07-BIG-10: Bigalk Creek
16-TRU-10: Trout Run
21-PAT-10: Patterson Creek
13-DRY-10: Dry Run
03-STA-10: Staff Creek
27-SIE-10: Silver Creek East
10-PIN-10: Pine Creek
01-NBR-10: N. Branch of the Upper Iowa
12-TEN-10: Ten Mile
32-SSP-10: Siewers Spring
25-BEA-10: Bear Creek
02-LIT-10: Little Iowa
09-COL-10: Coldwater Creek
20-CAN-10: Canoe Creek
24-NBE-10: North Bear
18-TRI-10: Trout River
17-UIR-55: Upper Iowa River at Freeport
30-UIR-10: Upper Iowa River at Mouth
04-BEM-10: Beaver Creek, MN
26-WAT-10: Waterloo Creek
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
31-UIR-80: Upper Iowa River at Bluffton
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2018
(MPN/100mL)
1 223
1 223
1 177
1 177
1 047
1 047
1 045
1 045
663
663
640
640
551
551
527
527
480
480
459
459
455
455
439
439
428
428
426
426
419
419
409
409
400
400
385
385
363
363
323
323
265
265
258
258
221
221
214
214
211
211
211
211
207
207
191
191
170
170
128
128
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
19-COO-20: Coon Creek
29-FRE-10: French Creek
16-TRU-10: Trout Run
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
17-UIR-55: Upper Iowa River at Freeport
20-CAN-10: Canoe Creek
18-TRI-10: Trout River
07-BIG-10: Bigalk Creek
03-STA-10: Staff Creek
13-DRY-10: Dry Run
01-NBR-10: N. Branch of the Upper Iowa
21-PAT-10: Patterson Creek
30-UIR-10: Upper Iowa River at Mouth
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
08-SIW-40: Silver Creek West
05-BEI-10: Beaver Creek, IA
32-SSP-10: Siewers Spring
12-TEN-10: Ten Mile
10-PIN-10: Pine Creek
15-DDR-10: Decorah Dry Run
22-PIE-10: Pine Creek East
24-NBE-10: North Bear
04-BEM-10: Beaver Creek, MN
02-LIT-10: Little Iowa
09-COL-10: Coldwater Creek
11-CAS-10: Casey Springs
23-SBE-10: South Bear
31-UIR-80: Upper Iowa River at Bluffton
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2017
(MPN/100mL)
1 604
1 604
1 372
1 372
1 266
1 266
1 222
1 222
867
867
837
837
786
786
686
686
562
562
495
495
490
490
474
474
434
434
432
432
389
389
371
371
340
340
316
316
277
277
255
255
247
247
198
198
192
192
172
172
170
170
164
164
141
141
94
94
76
76
69
69
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
08-SIW-40: Silver Creek West
28-CLE-10: Clear Creek
29-FRE-10: French Creek
07-BIG-10: Bigalk Creek
27-SIE-10: Silver Creek East
02-LIT-10: Little Iowa
03-STA-10: Staff Creek
32-SSP-10: Siewers Spring
05-BEI-10: Beaver Creek, IA
21-PAT-10: Patterson Creek
15-DDR-10: Decorah Dry Run
16-TRU-10: Trout Run
12-TEN-10: Ten Mile
13-DRY-10: Dry Run
04-BEM-10: Beaver Creek, MN
25-BEA-10: Bear Creek
24-NBE-10: North Bear
01-NBR-10: N. Branch of the Upper Iowa
10-PIN-10: Pine Creek
18-TRI-10: Trout River
19-COO-20: Coon Creek
20-CAN-10: Canoe Creek
26-WAT-10: Waterloo Creek
23-SBE-10: South Bear
17-UIR-55: Upper Iowa River at Freeport
09-COL-10: Coldwater Creek
30-UIR-10: Upper Iowa River at Mouth
22-PIE-10: Pine Creek East
31-UIR-80: Upper Iowa River at Bluffton
11-CAS-10: Casey Springs
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2016
(MPN/100mL)
1 551
1 551
922
922
843
843
750
750
671
671
593
593
487
487
414
414
403
403
293
293
282
282
238
238
221
221
217
217
214
214
181
181
175
175
167
167
163
163
152
152
151
151
140
140
139
139
129
129
126
126
124
124
121
121
118
118
67
67
33
33
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
28-CLE-10: Clear Creek
29-FRE-10: French Creek
05-BEI-10: Beaver Creek, IA
07-BIG-10: Bigalk Creek
16-TRU-10: Trout Run
08-SIW-40: Silver Creek West
15-DDR-10: Decorah Dry Run
03-STA-10: Staff Creek
32-SSP-10: Siewers Spring
01-NBR-10: N. Branch of the Upper Iowa
02-LIT-10: Little Iowa
10-PIN-10: Pine Creek
19-COO-20: Coon Creek
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
18-TRI-10: Trout River
26-WAT-10: Waterloo Creek
09-COL-10: Coldwater Creek
27-SIE-10: Silver Creek East
17-UIR-55: Upper Iowa River at Freeport
13-DRY-10: Dry Run
04-BEM-10: Beaver Creek, MN
25-BEA-10: Bear Creek
12-TEN-10: Ten Mile
11-CAS-10: Casey Springs
24-NBE-10: North Bear
30-UIR-10: Upper Iowa River at Mouth
31-UIR-80: Upper Iowa River at Bluffton
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2015
(MPN/100mL)
2 185
2 185
1 287
1 287
825
825
635
635
621
621
524
524
466
466
386
386
297
297
290
290
288
288
265
265
245
245
243
243
238
238
231
231
226
226
200
200
153
153
131
131
88
88
79
79
76
76
70
70
66
66
61
61
57
57
56
56
53
53
28
28
E. Coli
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
16-TRU-10: Trout Run
32-SSP-10: Siewers Spring
29-FRE-10: French Creek
08-SIW-40: Silver Creek West
05-BEI-10: Beaver Creek, IA
03-STA-10: Staff Creek
07-BIG-10: Bigalk Creek
09-COL-10: Coldwater Creek
13-DRY-10: Dry Run
21-PAT-10: Patterson Creek
12-TEN-10: Ten Mile
04-BEM-10: Beaver Creek, MN
01-NBR-10: N. Branch of the Upper Iowa
10-PIN-10: Pine Creek
20-CAN-10: Canoe Creek
19-COO-20: Coon Creek
02-LIT-10: Little Iowa
18-TRI-10: Trout River
27-SIE-10: Silver Creek East
17-UIR-55: Upper Iowa River at Freeport
11-CAS-10: Casey Springs
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
31-UIR-80: Upper Iowa River at Bluffton
30-UIR-10: Upper Iowa River at Mouth
24-NBE-10: North Bear
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2014
(MPN/100mL)
1 823
1 823
1 266
1 266
1 156
1 156
1 030
1 030
844
844
769
769
759
759
706
706
674
674
622
622
616
616
610
610
585
585
566
566
565
565
539
539
528
528
506
506
504
504
498
498
408
408
389
389
329
329
289
289
263
263
237
237
196
196
145
145
121
121
78
78
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
20…
2000
16-TRU-10: Trout Run
09-COL-10: Coldwater Creek
32-SSP-10: Siewers Spring
07-BIG-10: Bigalk Creek
10-PIN-10: Pine Creek
15-DDR-10: Decorah Dry Run
03-STA-10: Staff Creek
05-BEI-10: Beaver Creek, IA
19-COO-20: Coon Creek
29-FRE-10: French Creek
17-UIR-55: Upper Iowa River at Freeport
08-SIW-40: Silver Creek West
28-CLE-10: Clear Creek
13-DRY-10: Dry Run
18-TRI-10: Trout River
01-NBR-10: N. Branch of the Upper Iowa
04-BEM-10: Beaver Creek, MN
12-TEN-10: Ten Mile
31-UIR-80: Upper Iowa River at Bluffton
27-SIE-10: Silver Creek East
11-CAS-10: Casey Springs
20-CAN-10: Canoe Creek
25-BEA-10: Bear Creek
21-PAT-10: Patterson Creek
02-LIT-10: Little Iowa
26-WAT-10: Waterloo Creek
30-UIR-10: Upper Iowa River at Mouth
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
24-NBE-10: North Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2013
(MPN/100mL)
3 083
3 083
1 724
1 724
1 501
1 501
1 293
1 293
1 263
1 263
960
960
866
866
846
846
804
804
781
781
519
519
482
482
476
476
472
472
374
374
346
346
340
340
336
336
323
323
299
299
274
274
255
255
229
229
229
229
200
200
188
188
145
145
135
135
131
131
112
112
E. Coli
0
1000
2000
3000
250
500
750
1250
1500
1750
2250
2500
2750
3250
28-CLE-10: Clear Creek
29-FRE-10: French Creek
15-DDR-10: Decorah Dry Run
03-STA-10: Staff Creek
08-SIW-40: Silver Creek West
21-PAT-10: Patterson Creek
19-COO-20: Coon Creek
16-TRU-10: Trout Run
05-BEI-10: Beaver Creek, IA
07-BIG-10: Bigalk Creek
32-SSP-10: Siewers Spring
17-UIR-55: Upper Iowa River at Freeport
18-TRI-10: Trout River
10-PIN-10: Pine Creek
22-PIE-10: Pine Creek East
30-UIR-10: Upper Iowa River at Mouth
02-LIT-10: Little Iowa
25-BEA-10: Bear Creek
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
01-NBR-10: N. Branch of the Upper Iowa
26-WAT-10: Waterloo Creek
11-CAS-10: Casey Springs
27-SIE-10: Silver Creek East
20-CAN-10: Canoe Creek
09-COL-10: Coldwater Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
31-UIR-80: Upper Iowa River at Bluffton
04-BEM-10: Beaver Creek, MN
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2012
(MPN/100mL)
2 804
2 804
1 656
1 656
1 498
1 498
932
932
903
903
860
860
659
659
432
432
346
346
296
296
268
268
265
265
242
242
217
217
211
211
193
193
180
180
156
156
131
131
131
131
127
127
116
116
110
110
105
105
85
85
63
63
63
63
58
58
50
50
34
34
E. Coli
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
15-DDR-10: Decorah Dry Run
03-STA-10: Staff Creek
28-CLE-10: Clear Creek
19-COO-20: Coon Creek
29-FRE-10: French Creek
21-PAT-10: Patterson Creek
32-SSP-10: Siewers Spring
08-SIW-40: Silver Creek West
20-CAN-10: Canoe Creek
01-NBR-10: N. Branch of the Upper Iowa
05-BEI-10: Beaver Creek, IA
13-DRY-10: Dry Run
27-SIE-10: Silver Creek East
10-PIN-10: Pine Creek
16-TRU-10: Trout Run
22-PIE-10: Pine Creek East
04-BEM-10: Beaver Creek, MN
07-BIG-10: Bigalk Creek
25-BEA-10: Bear Creek
09-COL-10: Coldwater Creek
11-CAS-10: Casey Springs
18-TRI-10: Trout River
12-TEN-10: Ten Mile
26-WAT-10: Waterloo Creek
30-UIR-10: Upper Iowa River at Mouth
31-UIR-80: Upper Iowa River at Bluffton
02-LIT-10: Little Iowa
17-UIR-55: Upper Iowa River at Freeport
23-SBE-10: South Bear
24-NBE-10: North Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2011
(MPN/100mL)
3 742
3 742
1 011
1 011
885
885
857
857
817
817
624
624
466
466
454
454
439
439
307
307
286
286
259
259
258
258
257
257
252
252
250
250
247
247
216
216
162
162
127
127
127
127
117
117
96
96
75
75
70
70
44
44
40
40
35
35
33
33
33
33
E. Coli
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
28-CLE-10: Clear Creek
07-BIG-10: Bigalk Creek
08-SIW-40: Silver Creek West
03-STA-10: Staff Creek
29-FRE-10: French Creek
32-SSP-10: Siewers Spring
16-TRU-10: Trout Run
05-BEI-10: Beaver Creek, IA
15-DDR-10: Decorah Dry Run
27-SIE-10: Silver Creek East
01-NBR-10: N. Branch of the Upper Iowa
19-COO-20: Coon Creek
21-PAT-10: Patterson Creek
04-BEM-10: Beaver Creek, MN
10-PIN-10: Pine Creek
09-COL-10: Coldwater Creek
02-LIT-10: Little Iowa
13-DRY-10: Dry Run
12-TEN-10: Ten Mile
17-UIR-55: Upper Iowa River at Freeport
18-TRI-10: Trout River
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
30-UIR-10: Upper Iowa River at Mouth
25-BEA-10: Bear Creek
26-WAT-10: Waterloo Creek
31-UIR-80: Upper Iowa River at Bluffton
23-SBE-10: South Bear
24-NBE-10: North Bear
20-CAN-10: Canoe Creek
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2010
(MPN/100mL)
2 183
2 183
1 838
1 838
1 699
1 699
1 683
1 683
1 131
1 131
1 122
1 122
1 092
1 092
934
934
706
706
669
669
634
634
539
539
474
474
427
427
410
410
409
409
355
355
331
331
331
331
262
262
254
254
254
254
251
251
239
239
216
216
142
142
130
130
119
119
119
119
65
65
E. Coli
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
16-TRU-10: Trout Run
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
19-COO-20: Coon Creek
27-SIE-10: Silver Creek East
29-FRE-10: French Creek
21-PAT-10: Patterson Creek
05-BEI-10: Beaver Creek, IA
08-SIW-40: Silver Creek West
26-WAT-10: Waterloo Creek
32-SSP-10: Siewers Spring
03-STA-10: Staff Creek
07-BIG-10: Bigalk Creek
18-TRI-10: Trout River
02-LIT-10: Little Iowa
25-BEA-10: Bear Creek
01-NBR-10: N. Branch of the Upper Iowa
04-BEM-10: Beaver Creek, MN
10-PIN-10: Pine Creek
20-CAN-10: Canoe Creek
13-DRY-10: Dry Run
17-UIR-55: Upper Iowa River at Freeport
30-UIR-10: Upper Iowa River at Mouth
12-TEN-10: Ten Mile
09-COL-10: Coldwater Creek
24-NBE-10: North Bear
31-UIR-80: Upper Iowa River at Bluffton
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
23-SBE-10: South Bear
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2009
(MPN/100mL)
2 629
2 629
2 017
2 017
1 660
1 660
600
600
548
548
532
532
457
457
377
377
336
336
323
323
233
233
227
227
221
221
183
183
137
137
134
134
114
114
110
110
107
107
100
100
91
91
76
76
75
75
67
67
64
64
61
61
48
48
25
25
0
0
0
0
E. Coli
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
29-FRE-10: French Creek
28-CLE-10: Clear Creek
03-STA-10: Staff Creek
15-DDR-10: Decorah Dry Run
01-NBR-10: N. Branch of the Upper Iowa
08-SIW-40: Silver Creek West
21-PAT-10: Patterson Creek
05-BEI-10: Beaver Creek, IA
18-TRI-10: Trout River
10-PIN-10: Pine Creek
04-BEM-10: Beaver Creek, MN
16-TRU-10: Trout Run
27-SIE-10: Silver Creek East
30-UIR-10: Upper Iowa River at Mouth
22-PIE-10: Pine Creek East
26-WAT-10: Waterloo Creek
09-COL-10: Coldwater Creek
07-BIG-10: Bigalk Creek
13-DRY-10: Dry Run
25-BEA-10: Bear Creek
02-LIT-10: Little Iowa
11-CAS-10: Casey Springs
23-SBE-10: South Bear
12-TEN-10: Ten Mile
17-UIR-55: Upper Iowa River at Freeport
20-CAN-10: Canoe Creek
31-UIR-80: Upper Iowa River at Bluffton
24-NBE-10: North Bear
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2008
(MPN/100mL)
1 802
1 802
1 339
1 339
1 154
1 154
1 126
1 126
1 022
1 022
774
774
752
752
652
652
629
629
577
577
365
365
323
323
304
304
296
296
289
289
271
271
240
240
203
203
200
200
196
196
186
186
177
177
167
167
154
154
133
133
110
110
110
110
82
82
0
0
0
0
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
19…
1900
15-DDR-10: Decorah Dry Run
28-CLE-10: Clear Creek
27-SIE-10: Silver Creek East
05-BEI-10: Beaver Creek, IA
07-BIG-10: Bigalk Creek
16-TRU-10: Trout Run
21-PAT-10: Patterson Creek
01-NBR-10: N. Branch of the Upper Iowa
08-SIW-40: Silver Creek West
18-TRI-10: Trout River
03-STA-10: Staff Creek
29-FRE-10: French Creek
13-DRY-10: Dry Run
04-BEM-10: Beaver Creek, MN
10-PIN-10: Pine Creek
17-UIR-55: Upper Iowa River at Freeport
22-PIE-10: Pine Creek East
11-CAS-10: Casey Springs
30-UIR-10: Upper Iowa River at Mouth
09-COL-10: Coldwater Creek
24-NBE-10: North Bear
02-LIT-10: Little Iowa
20-CAN-10: Canoe Creek
26-WAT-10: Waterloo Creek
12-TEN-10: Ten Mile
23-SBE-10: South Bear
25-BEA-10: Bear Creek
31-UIR-80: Upper Iowa River at Bluffton
32-SSP-10: Siewers Spring
19-COO-20: Coon Creek
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2007
(MPN/100mL)
4 026
4 026
3 045
3 045
2 864
2 864
2 302
2 302
1 736
1 736
1 728
1 728
1 490
1 490
1 377
1 377
1 357
1 357
1 207
1 207
1 169
1 169
927
927
905
905
902
902
861
861
778
778
548
548
546
546
500
500
418
418
265
265
240
240
229
229
214
214
200
200
194
194
191
191
102
102
0
0
0
0
E. Coli
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
4250
16-TRU-10: Trout Run
09-COL-10: Coldwater Creek
07-BIG-10: Bigalk Creek
28-CLE-10: Clear Creek
05-BEI-10: Beaver Creek, IA
27-SIE-10: Silver Creek East
29-FRE-10: French Creek
21-PAT-10: Patterson Creek
20-CAN-10: Canoe Creek
08-SIW-40: Silver Creek West
17-UIR-55: Upper Iowa River at Freeport
15-DDR-10: Decorah Dry Run
12-TEN-10: Ten Mile
30-UIR-10: Upper Iowa River at Mouth
18-TRI-10: Trout River
10-PIN-10: Pine Creek
03-STA-10: Staff Creek
13-DRY-10: Dry Run
01-NBR-10: N. Branch of the Upper Iowa
26-WAT-10: Waterloo Creek
25-BEA-10: Bear Creek
24-NBE-10: North Bear
23-SBE-10: South Bear
31-UIR-80: Upper Iowa River at Bluffton
11-CAS-10: Casey Springs
04-BEM-10: Beaver Creek, MN
02-LIT-10: Little Iowa
22-PIE-10: Pine Creek East
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2006
(MPN/100mL)
3 572
3 572
1 887
1 887
1 188
1 188
991
991
920
920
895
895
628
628
592
592
540
540
532
532
479
479
429
429
422
422
374
374
355
355
307
307
307
307
249
249
231
231
189
189
187
187
183
183
148
148
146
146
131
131
128
128
100
100
83
83
0
0
0
0
E. Coli
0
1000
2000
3000
250
500
750
1250
1500
1750
2250
2500
2750
3250
3500
3750
4000
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
18-TRI-10: Trout River
16-TRU-10: Trout Run
07-BIG-10: Bigalk Creek
08-SIW-40: Silver Creek West
13-DRY-10: Dry Run
30-UIR-10: Upper Iowa River at Mouth
21-PAT-10: Patterson Creek
29-FRE-10: French Creek
03-STA-10: Staff Creek
05-BEI-10: Beaver Creek, IA
25-BEA-10: Bear Creek
04-BEM-10: Beaver Creek, MN
27-SIE-10: Silver Creek East
10-PIN-10: Pine Creek
17-UIR-55: Upper Iowa River at Freeport
20-CAN-10: Canoe Creek
12-TEN-10: Ten Mile
09-COL-10: Coldwater Creek
02-LIT-10: Little Iowa
26-WAT-10: Waterloo Creek
24-NBE-10: North Bear
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
31-UIR-80: Upper Iowa River at Bluffton
01-NBR-10: N. Branch of the Upper Iowa
11-CAS-10: Casey Springs
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2005
(MPN/100mL)
1 634
1 634
1 196
1 196
1 155
1 155
898
898
721
721
529
529
337
337
308
308
271
271
245
245
221
221
191
191
153
153
123
123
115
115
111
111
107
107
103
103
102
102
100
100
89
89
85
85
60
60
56
56
51
51
48
48
45
45
45
45
0
0
0
0
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
18…
1800
28-CLE-10: Clear Creek
15-DDR-10: Decorah Dry Run
05-BEI-10: Beaver Creek, IA
18-TRI-10: Trout River
29-FRE-10: French Creek
08-SIW-40: Silver Creek West
03-STA-10: Staff Creek
21-PAT-10: Patterson Creek
27-SIE-10: Silver Creek East
10-PIN-10: Pine Creek
16-TRU-10: Trout Run
12-TEN-10: Ten Mile
09-COL-10: Coldwater Creek
04-BEM-10: Beaver Creek, MN
13-DRY-10: Dry Run
20-CAN-10: Canoe Creek
26-WAT-10: Waterloo Creek
02-LIT-10: Little Iowa
11-CAS-10: Casey Springs
07-BIG-10: Bigalk Creek
17-UIR-55: Upper Iowa River at Freeport
25-BEA-10: Bear Creek
22-PIE-10: Pine Creek East
31-UIR-80: Upper Iowa River at Bluffton
23-SBE-10: South Bear
30-UIR-10: Upper Iowa River at Mouth
24-NBE-10: North Bear
01-NBR-10: N. Branch of the Upper Iowa
32-SSP-10: Siewers Spring
19-COO-20: Coon Creek
Created with Highcharts 7.1.2
Most Probable Number per 100 Milliliters
Mean E. Coli Bacteria for 2004
(MPN/100mL)
1 473
1 473
646
646
536
536
525
525
447
447
445
445
394
394
312
312
257
257
194
194
181
181
177
177
157
157
129
129
108
108
107
107
103
103
100
100
89
89
86
86
83
83
79
79
71
71
68
68
63
63
56
56
47
47
0
0
0
0
0
0
E. Coli
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
28-CLE-10: Clear Creek
05-BEI-10: Beaver Creek, IA
08-SIW-40: Silver Creek West
29-FRE-10: French Creek
18-TRI-10: Trout River
07-BIG-10: Bigalk Creek
03-STA-10: Staff Creek
21-PAT-10: Patterson Creek
15-DDR-10: Decorah Dry Run
10-PIN-10: Pine Creek
20-CAN-10: Canoe Creek
01-NBR-10: N. Branch of the Upper Iowa
16-TRU-10: Trout Run
26-WAT-10: Waterloo Creek
02-LIT-10: Little Iowa
25-BEA-10: Bear Creek
27-SIE-10: Silver Creek East
04-BEM-10: Beaver Creek, MN
09-COL-10: Coldwater Creek
30-UIR-10: Upper Iowa River at Mouth
11-CAS-10: Casey Springs
17-UIR-55: Upper Iowa River at Freeport
13-DRY-10: Dry Run
22-PIE-10: Pine Creek East
23-SBE-10: South Bear
24-NBE-10: North Bear
12-TEN-10: Ten Mile
31-UIR-80: Upper Iowa River at Bluffton
19-COO-20: Coon Creek
32-SSP-10: Siewers Spring