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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.

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The flood of record that was overtaken

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How snowpack becomes summer water

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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.

Canagagigue Creek near Elmira Water Level

Live river level, flow, historical records and forecast for Canagagigue Creek near Elmira in Canada, ON, Canada, built from official government gauge data.

About Canagagigue Creek near Elmira

Canagagigue Creek - A vital stream in the Upper Grand watershed.

Canagagigue Creek flows gracefully near Elmira, Ontario, serving as a crucial tributary in the Upper Grand watershed. This river plays an integral role in the local hydrology, influencing both the landscape and the aquatic ecosystems that thrive in its waters. With a drainage area of roughly 114 square kilometres above the measuring station, it captures the runoff from its surroundings and feeds into the greater Grand River system.

The watershed context

Nestled within the Upper Grand watershed, Canagagigue Creek interacts intricately with its peers, including the Blue Springs Creek, the Eramosa River, and the Grand River itself. This network of waterways contributes to the rich ecological tapestry of the region and supports both human activities and natural habitats. The ongoing seasonal rhythm in Ontario dictates that during the late spring months, particularly from late April to May, the creek experiences a freshet propelled by snowmelt. This influx of water is vital for replenishing the local aquifers and maintaining flow levels into the warmer months.

As the summer approaches, natural drawdown occurs from July to September, a period marked by lower inflows and increased evaporation. Early winter brings a decline in water levels as ice begins to form, affecting the stream's characteristics. These seasonal dynamics are crucial for the native species that depend on Canagagigue Creek for survival during various life stages.

Why the data matters here

Monitoring the flows in Canagagigue Creek provides valuable insights into its hydrological health and the overall conditions of the Upper Grand watershed. This is where the hero number comes into play: today's water level reading is compared against the median for this calendar day over the past 50 years, as recorded by the Water Survey of Canada. This approach allows for a more meaningful context than just raw elevation figures, helping to identify trends and anomalies in water levels that may affect ecological and agricultural conditions in the area. Understanding these variations is essential for cottagers, anglers, farmers, and flood-watchers alike, as they navigate the rhythms of life around this vibrant waterway.

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