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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 at Range Road No. 13a Water Level

Live river level, flow, historical records and forecast for Oldman River at Range Road No. 13a in Canada, AB, Canada, built from official government gauge data.

About Oldman River at Range Road No. 13a

Oldman River - A vital waterway of the Upper Oldman watershed.

The Oldman River at Range Road No. 13a flows through the heart of the Upper Oldman watershed in Alberta, serving as an essential resource for the surrounding communities and ecosystems. This stretch of the river plays a significant role in the hydrology of the region, influencing both the environment and local agricultural practices.

The watershed context

Draining an area of approximately 1,840 square kilometres, the Oldman River collects runoff from the diverse landscapes of the Upper Oldman watershed. This river, along with its peers—Castle River near Beaver Mines, Crowsnest River at Frank, and Oldman River near Brocket—forms a critical component of the regional hydrological system. The river's flow patterns are largely influenced by the seasonal rhythms characteristic of Alberta's foothills and prairie hydrology, where late-spring peaks are driven by mountain snowmelt and summer convective storms can lead to sharp increases in water levels.

Why the data matters here

Understanding the current conditions of the Oldman River at Range Road No. 13a is important for monitoring the health of its aquatic ecosystems and managing water resources effectively. Today's water level is compared against the median for this date drawn from over 16 years of historical records compiled by the Water Survey of Canada. This comparison provides vital context, revealing how the river's current state aligns with seasonal norms. Tracking these fluctuations allows stakeholders to take informed actions regarding conservation, flood management, and agricultural planning, ensuring that this vital waterway continues to sustain both nature and the communities it serves.

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