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Upper Midwest Environmental Sciences Center

Water Quality Update Title Page

Table 1. Relation of Long Term Resource Monitoring Program aquatic area codes and sampling stratum used in stratified random sampling for water quality monitoring. Aquatic areas are based on Wilcox (1993).

  Stratum

Aquatic area code Code Description
1501
1
Main channel (MC)
1504
2
Side channel (SC)
1510
3
Backwater area contiguous to the main channel at low water conditions (BWC)
1513
4
Lake Pepin or Swan Lake (LK)
1520
5
Open water area above the dam influenced directly by impoundment (IMP)

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