20000
2500
1000
500
100
52
Field Kit
CFU/100 ml
Total Coliform Bacteria Easygel
300
100
100
50
50
52
Field Kit
CFU/100 ml
E. Coli Bacteria Easygel
9
9
8
7.8
7
52
IOWATER
Test Strip
pH units
pH
12
10
8
8
3
50
IOWATER Field
Kit
mg/L
Dissolved Oxygen
5800
493
325
195
<10
52
Lab Analysis
CFU/100 ml
E. Coli Bacteria
7000
570
375
228
<10
52
Lab Analysis
CFU/100 ml
Fecal Bacteria
60
50
33
18
5
51
IOWATER
Transparency Tube
Centimeters
Transparency
44
25
22
<22
<22
52
IOWATER
Test Strip
mg/L
Chloride
5
5
2
2
0
52
IOWATER
Test Strip
mg/L
Nitrate-N
0.15
0.15
0
0
0
52
IOWATER
Test Strip
mg/L
Nitrite-N
64
59
56
54
40
52
Thermometer – Field
Degrees F
Water Temperature
Max value
75th
percentile
50th
percentile
25th
percentile
Min Value
# of Samples
Method
Unit
Muscatine County Snapshot Sampling Results – May 13, 2003.
mg/L = milligrams per liter (or parts per million – ppm); µg/L = micrograms per liter (or parts per billion – ppb)
CFU/100 ml = Colony Forming Units per 100 milliliters of water
The following pesticides were also analyzed at the 17 sites, however, no detections were reported: alachlor, metribuzin, butylate, trifluralin, desisopropyl atraazine, ametryn, EPTC, prometon, propachlor, propazine.