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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.

Little Rouge Creek near Locust Hill Water Level

Live river level, flow, historical records and forecast for Little Rouge Creek near Locust Hill in Canada, ON, Canada, built from official government gauge data.

About Little Rouge Creek near Locust Hill

Little Rouge Creek - A vital tributary in the Humber-Don watershed.

Little Rouge Creek flows near Locust Hill in Ontario, forming an essential part of the Humber-Don watershed. Spanning a drainage area of approximately 82 square kilometres, this creek supports the local hydrology and ecology while playing a significant role in the region's water management.

The watershed context

The Humber-Don watershed, which encompasses Little Rouge Creek, is a diverse network of rivers and streams contributing to the health of the Greater Toronto Area. This watershed is home to a variety of waterways such as Black Creek, the East Humber River, and the Don River. The seasonal hydrology in Ontario is marked by a snowmelt-driven pattern, leading to a spring freshet from late April to May, followed by a natural drawdown during the warmer summer months from July to September. As winter approaches, the creek's flow diminishes again as ice begins to form, shaping the water levels and conditions for local ecosystems.

Why the data matters here

The monitoring station for Little Rouge Creek provides valuable data on the creek's discharge and water levels. This information is essential for understanding fluctuations in flow, especially in relation to seasonal patterns. By comparing today's reading to the median for this calendar day across nearly five decades of historical records, we gain insight into current conditions and trends. The Water Survey of Canada operates this station, ensuring that the data is reliable and applicable for various stakeholders, from local farmers to flood-watchers in the area.

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