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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.

Castle River near Beaver Mines Water Level

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

About Castle River near Beaver Mines

Castle River - a vital natural flow in the Upper Oldman watershed.

The Castle River meanders through the stunning landscapes near Beaver Mines, Alberta, serving as a critical water source within the Upper Oldman watershed. Draining approximately 821 square kilometres, this river plays an essential role in the local hydrology, impacted by both seasonal snowmelt and summer convective storms that can lead to sudden increases in flow.

The watershed context

Nestled within the foothills of Alberta, the Upper Oldman watershed is characterized by its diverse topography. This region experiences a dramatic water cycle, with mountain snowmelt producing substantial spring peaks followed by potential fluctuations during summer storms. Measuring river flow at this location is essential for monitoring these seasonal shifts and understanding the dynamics that govern local water availability. The Castle River stands alongside prominent peers, including the Crowsnest River at Frank and the Oldman River near Brocket, contributing to a broader interconnected system of waterways in the area.

Why the data matters here

Timely data from the Castle River gauge is vital for various stakeholders, including local farmers, anglers, and environmental enthusiasts. By providing critical information about current river levels and flow, this data helps inform decisions regarding irrigation, recreation, and flood preparedness in the surrounding communities.

Today's reading offers valuable context when compared to historical records; it's essential to assess how the current levels relate to the median for this day based on 49 years of collected data. Such comparisons provide insightful perspectives, revealing trends that raw elevation figures alone cannot convey. Monitoring efforts are undertaken by the Water Survey of Canada, ensuring that the information reflects the realities of our changing 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