Billings Lake, North Stonington
Water data collected for Billings Lake on September 20, 2013.
Table 1. Dissolved oxygen and temperature. The transparency (Secchi) was 4.2 m.
Latitude*
Longitude
Depth
(m)
Dissolved Oxygen (mg/L)
Temperature (°C)
41.50759
-71.87314
0.5
7.6
19.3
1
7.6
19.3
2
7.3
19.2
3
7.1
19.1
4
6.5
19
5
6.1
18.7
6
1.5
16.6
7
0.2
13
8
0.1
10.4
Table 2. Water Chemistry
Depth
 (m)
Conductivity (µs/cm)
pH
Alkalinity expressed as Calcium
 Carbonate (mg/L)
Phosphorus (parts per billion)
0.5
46
5.8
7.5
7.8
8.0
39
6.3
6.75
35.9

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