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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.

Revelstoke Reservoir Water Level

Live water level, flow, historical records and forecast for Revelstoke Reservoir in Ontario, BC, Canada, built from official government gauge data.

About Revelstoke Reservoir

Revelstoke Reservoir - A vital water resource in the Upper Columbia region.

Revelstoke Reservoir serves as a crucial hub within British Columbia's Upper Columbia watershed, harnessing the region's unique mountain hydrology. This reservoir, situated on Martha Creek, covers an expansive drainage area of approximately 26,300 square kilometres, capturing runoff fed by snowpack and glacial systems in the surrounding mountains.

The watershed context

The Upper Columbia watershed is a tapestry of abundant waterways and mountainous terrain, contributing significantly to the region's ecology and hydrology. The reservoir's water levels are influenced by the seasonal rhythms typical of the province, wherein the freshet, driven by melting snow, typically peaks between May and July. These conditions help to sustain water levels throughout the summer months, providing critical resource management and ecological benefits to the surrounding environment.

The reservoir is surrounded by rugged landscapes and varied ecosystems, allowing a diversity of flora and fauna to thrive in this alpine setting. The area's river systems and tributaries play a significant role in supporting both local wildlife and recreational activities.

Why the data matters here

Understanding the water conditions of Revelstoke Reservoir is essential for monitoring its health and managing its use. Today's water level reading, when compared to the historical median for this calendar day, highlights how current conditions stand among the last seven years at this gauge. This comparison, managed by the Water Survey of Canada, is a more insightful indicator than raw elevation figures alone, providing valuable context for assessing trends and planning for seasonal changes.

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