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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.

Lynde Creek at Brooklin Water Level

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

About Lynde Creek at Brooklin

Lynde Creek - A vibrant ribbon of water in Ontario.

Lynde Creek flows gracefully through the heart of Brooklin, Ontario, a part of the Humber - Don watershed. It connects the surrounding community to the rhythms of nature, serving both as a habitat for wildlife and a cherished resource for local residents. This river, with a drainage area of approximately 39 square kilometers above the gauge, plays an essential role in the regional hydrology, influenced primarily by seasonal changes, particularly snowmelt in the spring.

The watershed context

As part of the Humber - Don watershed, Lynde Creek interacts with neighboring water bodies such as Black Creek and various branches of the Don River. This interconnected network emphasizes the importance of river systems in the region, which are subject to seasonal patterns. The spring freshet, typically occurring in late April and May, brings increased flows driven by snowmelt, replenishing the creek and supporting aquatic life. Summer sees a natural drawdown lasting from July through September, as evaporation and lower inflows occur. As winter approaches, Lynde Creek’s flow diminishes once again with the formation of ice, signifying the cyclical nature of its hydrology.

Why the data matters here

Monitoring the water levels of Lynde Creek at Brooklin is crucial, especially for those who engage with the waterway for recreational purposes or local business interests. Today's reading, measured by the Water Survey of Canada, provides insight into the creek's current state compared to the median for this calendar day, taking into account 24 years of historical data. This comparison is significant, as it reflects broader hydrological patterns and conditions that may impact local flora and fauna, as well as the community’s activities. Understanding the gauge reading in this context is essential for assessing water availability and ecological health throughout the seasons.

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