Lakes Monitoring Schedule
2025 SAMPLE DROP OFF DATES
Please collect your samples on Sunday evening or early Monday morning before delivery to the lab. It is important that the lab receives the samples within 48 hours of collection time.
If your samples are being shipped by mail, please note that samples do not reach the lab until around 12 pm the following day.
ALL OTHERS
May 19
June 16
July 21
August 18
September 22
ASSOCIATION OF CASS COUNTY LAKES
June 2
June 23
July 28
August 25
September 29
COOLER PICK UP DAYS
- Ottertail COLA: TBA
- Douglas COLA: TBA
- Hubbard COLA: TBA
- Pope County: TBA
- Association of Cass County Lakes: TBA
The cooler pick up day is when you will pick up all of your supplies for the summer. We will also give a brief training and go over any new information you will need to know for the summer. If you are unable to make it to the training please contact us so that we can make other arrangements to get you the supplies you will need for the season. Please continue to check for more updates!