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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.

Assiniboine River near Holland Water Level

Live water level, flow, historical records and forecast for Assiniboine River near Holland in Canada, MB, Canada, built from official government gauge data.

About Assiniboine River near Holland

Assiniboine River near Holland - A vital waterway in Manitoba.

The Assiniboine River meanders through the heart of Manitoba, playing a critical role in the province's hydrology and ecology. This particular point on the Assiniboine near Holland serves a key function as part of this sizable river system, which is vital for both communities and agriculture in the region.

The watershed context

The Assiniboine River near Holland is part of the larger Central Assiniboine - Cypress watershed. Draining roughly 150,000 square kilometres, this watershed plays a crucial role in managing water resources for diverse uses, including irrigation and flood control. It hosts various gauges that collectively provide insights into the river's flow and health. Nearby monitoring stations, like the Assiniboine River at Brandon, complement this gauge by providing additional information about the river's dynamics further downstream.

In the prairie provinces of Canada, the hydrological cycle is heavily influenced by seasonal changes. Spring often brings snowmelt, which can lead to significant flooding events, particularly in river systems like the Assiniboine. As one moves into the warmer summer months, a natural recession occurs, characterized by declining water levels as evaporation and reduced inflow take effect.

Why the data matters here

The measurement from the Assiniboine River near Holland, operated by the Water Survey of Canada, provides essential data for understanding water levels and potential flood risks in the area. The station not only supplies absolute measurements of the water level but also has discharge data, which is critical for assessing river flow and its implications for surrounding ecosystems and agricultural land.

Today's reading from the Assiniboine River near Holland gives a snapshot of current conditions compared to the historical median for this calendar day, tracked over more than 50 years. This comparative measure helps gauge whether the water levels are above, below, or at the expected range for this time of year, offering a valuable context that raw elevation readings alone cannot provide.

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