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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.

Tatachikapika River near Timmins Water Level

Live river level, flow, historical records and forecast for Tatachikapika River near Timmins in Ontario, ON, Canada, built from official government gauge data.

About Tatachikapika River near Timmins

Tatachikapika River - a significant waterway in northeastern Ontario.

The Tatachikapika River flows gracefully near Timmins, contributing to the hydrology of the Mattagami watershed. With a substantial drainage area of approximately 872 square kilometres, it plays an essential role in the local water systems, especially during the snowmelt-driven seasonal cycles typical of this region.

The watershed context

The Tatachikapika River is positioned within the larger Mattagami watershed, which is an important ecological and hydrological system in Ontario. As typical for much of the region, this river experiences varied water levels throughout the year driven primarily by snowmelt. The spring freshet occurs in late April through May, when the melting snow leads to increased river flow. Following this period, the summer months from July to September see a natural decline in water levels due to evaporation and reduced inflow, while early winter brings a gradual decrease as ice formation begins.

Why the data matters here

Understanding the water levels of the Tatachikapika River is crucial for many stakeholders, including local residents and land managers. The station near Timmins not only measures the elevation of the river but also tracks river discharge—an important indicator of water flow dynamics.

Today's reading for the Tatachikapika River provides an insightful backdrop against the historical context, as it is compared to the median level for this calendar day across more than 22 years of data recorded by the Water Survey of Canada. This comparison offers a more meaningful understanding of water conditions than relying on a single elevation figure, as it takes into account seasonal variations and historical trends.

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