Lake Monitoring Program

There are 27 lakes which have been identified as have high value, whether economical or environmental, and these lakes are monitored on a rotating basis.  PRWD collects water chemistry samples and lake profile data on the selected lakes to understand overall lake health and trends.  Samples are collected on a bi-weekly basis May through September. 

Field Data includes:

  • Temperature
  • pH
  • Dissolved Oxygen
  • Conductivity
  • Water Clarity (Secchi Depth)

Chemistry Data includes:

  • Total Phosphorus
  • Orthophosphate (Dissolved)
  • Chlorophyll-a

Lake assessments are done each year for lakes that are monitored and are included in the Annual Monitoring Report.

Specific Lake characteristics and summaries are in the link below.


Detroit Lake Curfman Lake Floyd Lake Little Floyd Lake
Lake Sallie Lake Melissa Long Lake Munson Lake
Johnson/Reeves Glawe Lake Fox Lake St. Clair Lake
Meadow Lake      


Lake Level Monitoring

Lake level in recorded by a staff gage located throughout the District.  Gages are read on a bi-weekly basis.  Water levels for Detroit, Melissa, Sallie, and the Floyd Lake chain are updated bi-weekly on the tab to the right.

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Recent Water Levels
Detroit 1334.03 ft
Last Updated: 11/1/2017
Floyd(s) 1354.10 ft
Last Updated: 11/1/2017

Melissa 1327.86 ft
Last Updated: 11/1/2017
Sallie 1328.94 ft
Last Updated: 11/1/2017

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