Watershed Condition Status
Issued August 20, 2020 @ 11:00 am
The Sault Ste. Marie Region Conservation Authority would like to issue a watershed conditions statement to residents regarding current watershed conditions. Flood forecasting and warning is part of the Conservation Authority’s provincially mandated responsibilities. This statement is sent out so that residents can be informed and aware.
Water levels and flows are generally in the seasonal range for the area watershed. Forecast precipitation over the next five days ranges from 10 to 35 mm. There is the potential for moderate thunderstorm development Friday and Saturday which could provide up to an additional 10 to 25 mm to some areas.
Currently, local rivers, creeks, and streams are flowing at normal levels. If excessive heavy rainfall occurs, it can cause water levels and flows to rise across the watershed. There may be localized flooding of low-lying areas and sites with a history of ponding.
The flood control channels owned and maintained by the Sault Ste. Marie Region Conservation Authority are currently flowing at normal levels. The flood control channels will experience a rise in water levels. It is important to remember that the water in rivers, streams and the channels will be fast flowing during and after the rainfall event.
The Sault Ste. Marie Region Conservation Authority will continue to closely monitor stream flows across the watershed.
The Sault Ste. Marie Region Conservation Authority would like to extend a warning to residents and visitors to use extreme caution when close to rivers, creeks, and streams. High water levels and flows can be especially dangerous and stream banks can be slippery. Please keep children and pets away from fast flowing rivers and streams.
This statement is in effect until August 27, 2020.
Shoreline Conditions Statement – Lake Superior
Issued August 20, [email protected] 11:00 am
The Sault Ste. Marie Region Conservation Authority (SSMRCA) is advising that Lake Superior water levels remain well above normal. There are observations, reports, and expectations of shoreline erosion or flooding currently.
Conditions across the Lake Superior were wetter than average in July. As a result, water levels rose on Lake Superior. Nonetheless, water levels are expected to remain high over at least the next few months and further record-highs are possible if wet patterns develop.
Currently, Lake Superior water level is approximately 183.88 m IGLD85. Lake Superior rose 7 cm over the course of the month, while on average the water level rises 5 cm in July. At the beginning of August, Lake Superior is 8 cm below the record-high beginning-of-month level set last year in 2019. The level is currently 26 cm above average (1918-2019). For additional reference, the SSMRCA shoreline flooding hazard level used for planning and development review is 184.2 m.
SSMRCA advises all shoreline property owners to prepare for potentially severe coastal impacts such as significant erosion, lakeshore flooding and coastal damages, especially during periods of strong winds and storm surge.
SSMRCA staff continue to monitor Lake Superior wind conditions and lake levels closely.
This statement is in effect until (or updated before) September 15, 2020.