Nibi Metrics
Real-time water levels, forecasts, and alerts for lakes and rivers across Canada and the US. Built on official government data.
Nibi Metrics turns raw gauge readings from official hydrometric networks into something a person standing on a dock can actually use: is the water high or low for today, which way is it moving, and how unusual is this? This page explains where every number on the platform comes from and what we do to it along the way.
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Nipigon River below Alexander Generating Station Water Level
Live river level, flow, historical records and forecast for Nipigon River below Alexander Generating Station in Canada, ON, Canada, built from official government gauge data.
- Location Canada, ON, Canada
- Watershed nipigon
- Primary gauge 02AD012 (Water Survey of Canada)
About Nipigon River below Alexander Generating Station
Nipigon River - a vital stretch of a significant waterway.
The Nipigon River below Alexander Generating Station serves as a crucial segment of the Nipigon watershed. This river runs through Northwestern Ontario and is fed by substantial snowmelt during the spring, which drives its seasonal hydrology. As a feeder for large water bodies and the Great Lakes system, it plays an important role in local ecosystem health and water management.
The watershed context
Draining approximately 38,700 square kilometres, the Nipigon River is integral to a broader hydrological system in a region characterized by a snowmelt-driven seasonal cycle. Typically, the river experiences a freshet in late April through May as melting snow enhances flows. This period of heightened water levels is critical for sustaining aquatic life and replenishing surrounding wetlands. As the summer months approach, natural evaporation and drawdown occur, leading to reduced water levels from July to September. In the autumn and early winter, water levels decline more sharply as ice begins to form, influencing habitat conditions for fish and other wildlife.
Why the data matters here
As of today, the river's current reading reflects conditions compared to the long-term median for this calendar day, assessed over the last 18 years by the Water Survey of Canada. This comparison is vital, as it provides context beyond simple elevation measurements, giving insights into current flow dynamics relative to historical patterns. Understanding these fluctuations helps communities, anglers, and local ecosystems navigate the challenges and opportunities presented by varying water levels in the Nipigon River.
How this page is built
Readings come from official government gauges and are rolled into daily records: the daily mean, high and low for every day on record. Each calendar day gets its own baseline from the full history, so the level you see is compared against what this specific date usually looks like rather than an annual average.
How Nibi Metrics works · Water stories
