Monitoring Results
Conditions Update
Results - most recent update July 7, 2026
Bass Lake
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2026 Combined Conditions Update Results for Bass Lake
Little Lake (Midland)
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2026 Combined Conditions Update Results for Little Lake (Midland)
Orr Lake
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2026 Combined Conditions Update Results for Orr Lake
Farlain Lake
2026 Combined Conditions Update Results for Farlain Lake
2026 Combined Water Level Update Results for Farlain Lake
Severn Sound Open Water
Results - most recent update July 14, 2026
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July 14, 2026 Conditions Update Results for Severn Sound Open Water
What residents/cottagers can do
Residents should remain vigilant on several issues:
- Keep watch for blue green algae blooms and report them to the Spills Action Centre at 1-866-663-8477 and/or Simcoe Muskoka Health Unit Blue-Green Algae Reporting
- Prevent the spread of invasive species through washing watercraft (Clean, Drain, Dry), plant native species in gardens, and avoid using non-native and invasive species for landscaping Invasive Species
- Ensure shorelines are as natural as possible to encourage natural resilience and lake health including “no-mow, no-chemicals” buffer zone adjacent to the water’s edge to intercept runoff. Some resources include:
- The Natural Shorelines Project
- Minimize Your Impact and Protect Your Shoreline Fact Sheet, SSEA
- Shoreline Owner’s Guide – Federation of Ontario Cottagers’ Association
- Become an SSEA Citizen Scientist! Contact our program assistant Emily Edgley at citizenscience@severnsound.ca and learn more about our programs at Citizen Science Monitoring Programs In Severn Sound
- Learn to distinguish nuisance from potentially harmful algae growth in SSEA’s video on algae in the area:
SSEA Monthly Rainfall
Ice-free, May to October monthly rainfall (mm) compared with long-term average monthly rainfall at the Midland and Lafontaine sites. Long-term data is based on rain data collected between 2008 and 2025.
Note: Snowfall data is not collected at these sites.
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