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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.

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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

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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.

Sapochi River near Nelson House Water Level

Live river level, flow, historical records and forecast for Sapochi River near Nelson House in Canada, MB, Canada, built from official government gauge data.

About Sapochi River near Nelson House

Sapochi River - A vital waterway of the Lower Burntwood watershed.

The Sapochi River near Nelson House is an important component of Manitoba's Lower Burntwood watershed. This river supports local ecosystems and provides water flow that is essential for both natural habitats and nearby communities. Draining roughly 427 square kilometres above the station, the Sapochi River is a vital link in the hydrological landscape, effectively managing the runoff that comes from the surrounding terrain.

The watershed context

The Lower Burntwood watershed, encompassing the Sapochi River, features a network of waterways that includes notable peers such as the Burntwood River above Manasan Falls and the Taylor River near Thompson. This interconnected system is crucial during seasonal changes, particularly during the spring thaw when melting snow can lead to significant runoff and floods. The area experiences the characteristic seasonal rhythms of prairie hydrology, with a pronounced rise in water levels due to spring snowmelt, followed by a natural recession through the summer months due to evaporation and reduced inflow.

Why the data matters here

Current data from the Water Survey of Canada indicates that monitoring the Sapochi River's levels and discharge is essential for understanding the dynamics of the watershed, especially as it relates to both storm events and seasonal changes. The gauge for the Sapochi River not only measures the water level but also helps track changes in water flow which can be critical for flood readiness and managing water resources effectively.

Today's reading from the Sapochi River compared against the median for this calendar day across its 32 years of historical record gives us insight into its current status. Monitoring these figures helps characterize the river’s behavior over time, providing context that raw elevation alone cannot offer.

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