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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.

Walker River near Mouth at Walker Lake Water Level

Live river level, flow, historical records and forecast for Walker River near Mouth at Walker Lake in NV, United States, built from official government gauge data.

About Walker River near Mouth at Walker Lake

Walker River - where flow meets the vast expanse of Walker Lake.

Nestled in the arid Great Basin, the Walker River flows toward the shimmering expanse of Walker Lake in Nevada, contributing to the region's unique hydrological character. This river, measured at its mouth, is crucial to understanding the dynamics of water flow in a landscape defined by both seasonal snowmelt and sporadic summer thunderstorms.

The watershed context

Draining approximately 3,134 square miles, the Walker River's watershed encompasses a broad expanse of terrain, shaped by varying elevations and climatic influences. As the river approaches Walker Lake, it serves as one of the principal streams in this intriguing desert environment, where ephemeral channels often define the landscape and seasonal changes dominate flow patterns. The region experiences a typical hydrological rhythm, with mountain snowmelt inciting spring flow peaks, followed by potential summer storms that can result in flash floods, illustrating the river's responsiveness to weather patterns. The Walker River shares its watershed with peers such as Walker Lake near Hawthorne, adding to the interconnected hydrology of this area.

Why the data matters here

Monitoring the Walker River, especially at the mouth near Walker Lake, provides important insights into local hydrological dynamics. The U.S. Geological Survey (USGS) station records not only the river's elevation but also discharge, offering a comprehensive view of how water levels fluctuate over time. Today's measurement is a key reference point, as it is compared against the median for this calendar day based on more than 22 years of historical data. This context allows for a better understanding of present conditions, emphasizing the importance of real-time data for managing water resources effectively in this ever-changing landscape.

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