The Otter Tail County Coalition of Lake Associations (OTC COLA) has published new Water Quality Reports for lakes in Otter Tail County.

  OTC COLA has sponsored its water quality program for COLA Member Lake Associations for over 20 years.  There are over 60 lakes in the program covering over 70 percent of lake acreage in the county.

  Lake Association volunteers collect water samples five times during the summer.  Samples are delivered to RMB Laboratories in Detroit Lakes, MN where phosphorus, chlorophyll-a and Secchi disc data are recorded.  OTC COLA annually compiles the data to produce individual lake Water Quality Reports shown in a ten-year trend analysis format.

Free access to the library of Water Quality Reports is available on the www.otccola.org website.