12
10
8
8
5
36
IOWATER
Field Kit
mg/L
Dissolved Oxygen
4.1
0.2
0.13
0.09
<0.05
36
Lab Analysis
mg/L
Total Phosphorus
1.9
0.72
0.55
0.39
0.06
36
Lab Analysis
mg/L
Total Kjeldahl Nitrogen
0.67
0.06
<0.05
<0.05
<0.05
36
Lab Analysis
mg/L
Ammonia-N
16
12
11
9.7
4.6
36
Lab Analysis
mg/L
Nitrate+Nitrite-N
3200
385
205
78
<10
36
Lab Analysis
CFU/100 ml
E. Coli Bacteria
3200
553
220
89
<10
36
Lab Analysis
CFU/100 ml
Fecal Bacteria
60
60
36
24
5
36
IOWATER
Transparency Tube
Centimeters
Transparency
33
<25
<25
<25
<25
33
IOWATER
Test Strip
mg/L
Chloride
20
5
5
5
1
36
IOWATER
Test Strip
mg/L
Nitrate-N
0.15
0.15
0.05
0
0
36
IOWATER
Test Strip
mg/L
Nitrite-N
66
58
56
54
38
36
Thermometer – Field
Degrees F
Water Temperature
Max value
75th
percentile
50th
percentile
25th
percentile
Min Value
# of Samples
Method
Unit
Cedar County Snapshot Sampling Results – May 14, 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.