Old Highway 13 Bridge

Pearl River

Lena, Mississippi, United States

Site includes boat launch and picnic area. Summertime current is very slow. Muddy banks in immediate area. Rural with farms nearby.

Location created by
William W Mitchell

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Observation tests summary

Air temperature °C
18.0 Latest
25.2 Average
Water temperature °C
7.0 Latest
21.0 Average
Alkalinity mg/L
20 Latest
28 Average
Hardness mg/L
20 Latest
19 Average
Dissolved oxygen mg/L
9.6 Latest
6.4 Average
Total coliform ppm
1867 Latest
1594 Average
Total coliform cfu per 100mL
1233 Latest
2122 Average
Dissolved oxygen %
79.0 Latest
67.0 Average
Incubation temperature °C
34.0 Latest
33.2 Average
Turbidity JTU
15 Latest
24 Average
E.coli cfu per 100mL
333 Latest
349 Average
Other coliform cfu per 100mL
900 Latest
1342 Average
Incubation time (hours)
43.0 Latest
38.9 Average
pH (0-14)
6.5 Latest
6.4 Average
River flow l/sec
3300.0 Latest
4081.3 Average
River flow Cfs
1500.0 Latest
2274.8 Average
River stage feet
7.6 Latest
9.7 Average
Secchi depth m
0.0 Latest
0.0 Average
Water depth m
1.0 Latest
1.0 Average
Nitrates ppm
0.0 Latest
0.0 Average
Nitrates mg/L
0.0 Latest
0.0 Average
Phosphates total ppm
0.0 Latest
0.6 Average
Ammonia ppm
0.0 Latest
0.0 Average