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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.

Water Stories

The flood of record that was overtaken

For five years, spring 2019 was the mark every Lake Muskoka decision answered to. In April 2026 the lake went two centimeters higher - and the official books have not caught up yet.

Why the Assiniboine floods every spring

Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.

How snowpack becomes summer water

The science of snow water equivalent and why it drives the season ahead.

Reading a staff gauge like a hydrologist

What the numbers on the measuring stick actually tell you.

Flash Flood Alley: how Texas rivers rise in hours

Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.

What a "100-year flood" actually means

One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.

Beaver River near Beaverton Water Level

Live river level, flow, historical records and forecast for Beaver River near Beaverton in Canada, ON, Canada, built from official government gauge data.

About Beaver River near Beaverton

Beaver River - A lively waterway near Beaverton.

The Beaver River, flowing near Beaverton in Ontario, is a dynamic watercourse within the Black River - Lake Simcoe watershed, draining roughly 295 square kilometres above the station. This river is part of a complex water system that connects various tributaries and lakes in the region, contributing to the overall health of the watershed.

The watershed context

The Black River - Lake Simcoe watershed encompasses a series of interconnected waterways, including notable peers like the Black River at Baldwin and Hawkestone Creek at Hawkestone. Each of these rivers and creeks plays a role in supporting local ecology and hydrology. The Beaver River serves as an important link within this network, particularly notable during the seasonal rhythm of snowmelt-driven hydrology, which typically sees the spring freshet occurring from late April to May. As winter transitions into spring, the melting snow results in increased flow, a resurgence vital for aquatic life.

During the summer months, the river naturally experiences a drawdown from July to September as evaporation and lower inflow take effect. This seasonal cycle is crucial for maintaining the ecological balance within the Beaver River and its upstream catchment area, helping to regulate water levels and habitat conditions for local flora and fauna.

Why the data matters here

Today's reading at Beaver River near Beaverton, provided by the Water Survey of Canada, captures essential information that reflects the river's current conditions. Monitoring the water levels against the historical median for this calendar day—after more than 50 years of record—can help all stakeholders, from anglers to local farmers, understand how today’s reading fits into broader seasonal and long-term trends. This comparative insight is a powerful tool for assessing river health, adjusting management practices, and anticipating the impacts of weather patterns on both the river and its surrounding environment.

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