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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.

Buells Creek at Brockville Water Level

Live river level, flow, historical records and forecast for Buells Creek at Brockville in Canada, ON, Canada, built from official government gauge data.

About Buells Creek at Brockville

Buells Creek - a vibrant channel in the Upper St. Lawrence watershed.

Buells Creek flows through the picturesque landscape of Brockville, Ontario, situated in the heart of the Upper St. Lawrence - Thousand Islands watershed. This river serves as an essential waterway, sustaining local wildlife and contributing to the ecological balance in the region.

The watershed context

Buells Creek drains an area of roughly 52.4 square kilometres above the station. This catchment area is critical in gathering rainfall and snowmelt that feed into the creek, helping to maintain its flow throughout the seasons. The creek plays a significant role in the broader hydrology of the Upper St. Lawrence watershed, which is characterized by a seasonal rhythm dominated by snowmelt. Typically, this region experiences a spring freshet from late April to May, as snow and ice melt into the waters, resulting in increased flow. Following this, natural summer drawdown occurs from July through September, when evaporation and low inflow lead to lower water levels. As early winter approaches, the creek's flow begins to decline due to ice formation, marking another seasonal transition.

Why the data matters here

Daily water-level data from Buells Creek is gathered and published by the Water Survey of Canada (WSC). This information is crucial for understanding the creek's health, reflecting both natural patterns and potential impacts of climate variability. Today’s water level reading is compared against the historical median for this date, offering a clearer context than a raw elevation alone. In this case, the data from Buells Creek, with a record spanning over 36 years, helps provide insights into trends and fluctuations in water levels, assisting local stakeholders, including farmers and anglers, in making informed decisions.

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