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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.

Oldman River near the Mouth Water Level

Live river level, flow, historical records and forecast for Oldman River near the Mouth in Canada, AB, Canada, built from official government gauge data.

About Oldman River near the Mouth

Oldman River - a key artery in Alberta's hydrology.

The Oldman River near the Mouth is a significant waterway located in Alberta, Canada. This river plays a crucial role in the local ecosystem and hydrology, contributing to the broader Lower Oldman watershed. With a considerable drainage area of approximately 27,000 square kilometres upstream, it supports a diverse range of flora and fauna while providing vital water resources for agriculture and industry in the region.

The watershed context

The Oldman River flows through a dynamic landscape shaped by the foothills and prairies of Alberta. This area experiences unique hydrological patterns influenced by mountain snowmelt, which is particularly pronounced in late spring. As the snowpack melts, the river typically sees a rise in water levels, contributing to seasonal peaks. Additionally, summer convective storms can lead to sharp increases in flow, showcasing the river's responsive nature to varying climatic conditions. Understanding these seasonal dynamics is vital for managing water resources and anticipating potential flooding events.

Why the data matters here

The data collected at the Oldman River gauge provides essential insights into the river's behavior over time. This gauge not only measures water levels but also tracks discharge, which is crucial for understanding flow patterns and managing water supply. With 43 years of historical records, comparing today’s water level against the median for this calendar day allows for a more comprehensive assessment of current conditions. This is more informative than raw elevation alone, as it contextualizes today’s reading within a historical framework. The Water Survey of Canada operates this station, ensuring the data remains vital for local stakeholders, including cottagers, farmers, and flood-watchers who rely on accurate information for decision-making.

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