12
9
6.1
4
37
Lab Analysis
mg/L
Nitrate+Nitrite-N
0.93
0.1
0.05
37
Lab Analysis
mg/L
Ammonia-N
1100
280
190
120
37
Lab Analysis
CFU/100 ml
E. Coli
Bacteria
2.9
1
0.64
0.48
0.3
37
Lab Analysis
mg/L
Total Kjeldahl
Nitrogen
4400
700
400
300
100
37
Field Kit
CFU/100 ml
Total Coliform
Bacteria Easygel
400
100
100
50
50
37
Field Kit
CFU/100 ml
E. Coli Bacteria
Easygel
9
9
8
8
7
37
IOWATER
Test Strip
pH units
pH
12
8
7
6
3
37
IOWATER Field
Kit
mg/L
Dissolved Oxygen
0.89
0.19
0.12
0.07
37
Lab Analysis
mg/L
Total Phosphorus
1200
350
210
120
37
Lab Analysis
CFU/100 ml
Fecal Bacteria
60
60
39
25
14
37
IOWATER
Transparency Tube
Centimeters
Transparency
31
25
37
IOWATER
Test Strip
mg/L
Chloride
10
5
2
2
0
37
IOWATER
Test Strip
mg/L
Nitrate-N
1.5
0.15
0.15
0
0
37
IOWATER
Test Strip
mg/L
Nitrite-N
70
61
59
57
44
37
Thermometer –
Field
Degrees F
Water Temperature
Max value
75
th
percentile
50
th
percentile
25
th
percentile
Min Value
# of
Samples
Method
Unit
Clinton County Snapshot Sampling Results – May 17, 2003.
mg/L = milligrams per liter (or parts per million – ppm)
CFU/100 ml = Colony Forming Units per 100 milliliters of water