7,000
600
220
73
<10
81
Lab Analysis
CFU/100 ml
Fecal Bacteria
60
321
0.6
10
3.0
15.7
9.34
77
Max value
0.2
0.2
0.1
0
81
IOWATER Field
Kit
mg/L
Orthophosphorus
9
8.5
7.3
4.8
80
IOWATER
Test Strip & Field Meter
pH units
pH
11.4
10
7.6
5.1
81
IOWATER Field
Kit & Field Meter
mg/L
Dissolved Oxygen
49
35
27
8
40
IOWATER
Transparency Tube
Centimeters
Transparency**
34
24
<22
<22
73
IOWATER
Test Strip
mg/L
Chloride**
5
5
2
0
81
IOWATER
Test Strip
mg/L
Nitrate-N
0.05
0
0
0
81
IOWATER
Test Strip
mg/L
Nitrite-N
51
50
48
44
77
Thermometer – Field
Degrees F
Water Temperature
75th
percentile
50th
percentile
25th
percentile
Min Value
# of Samples
Method
Unit
Scott County Snapshot Sampling Results – May 21, 2002.
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
*Parameter measured at Davenport Water Pollution Control long-term sites only.
**Parameter measured at non-Davenport Water Pollution Control long-term sites only.
The following pesticides were also analyzed at the 41 Davenport Water Pollution Control long-term sites in May 2002, however, no detections were reported: cyanazine, alachlor, metribuzin, butylate.