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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

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

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How snowpack becomes summer water

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Reading a staff gauge like a hydrologist

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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.

Sloan Channel at Charleston Blvd near Las Vegas Water Level

Live river level, flow, historical records and forecast for Sloan Channel at Charleston Blvd near Las Vegas in NV, United States, built from official government gauge data.

About Sloan Channel at Charleston Blvd near Las Vegas

Sloan Channel - A vital flow in the Las Vegas Wash.

Sloan Channel at Charleston Boulevard is an essential watercourse within the Las Vegas Wash, contributing to the hydrology of an arid region defined by sharp contrasts between seasons. This area is characterized by the interplay of seasonal snowmelt and summer thunderstorms that can lead to dramatic changes in flow, particularly in a landscape where many streams and channels can be ephemeral.

The watershed context

Sloan Channel drains approximately 144 square miles of the surrounding landscape, making it a significant contributor to the Las Vegas Wash. The hydrology of the Great Basin region relies heavily on mountain snowmelt, leading to spring peaks in perennial rivers such as the Las Vegas Wash, while summer thunderstorms can cause localized flash flooding. This dynamic is particularly important for maintaining the ecological balance within the watershed, as intermittent flows can rejuvenate local habitats.

Nearby water bodies include C-1 Channel, Duck Creek, and Flamingo Wash. These channels interact with Sloan Channel in a network that captures runoff and influences the groundwater recharge of the Las Vegas area, particularly vital in an otherwise arid environment. The Las Vegas Wash itself is crucial, providing drainage and habitat in this desert landscape.

Why the data matters here

The data from the US Geological Survey (USGS) station at Sloan Channel ensures that residents and local agencies are informed of current conditions, which are critical for managing water resources in such a fluctuating environment. The station not only measures flow but also provides important insights into the channel's elevation, helping to predict trends and respond to potential flooding events.

Today's reading for Sloan Channel can be compared to the median for this date across a historical record that spans 38 years. This contextual comparison is essential, as it allows for a nuanced understanding of current conditions relative to expected patterns, aiding local decision-makers and residents alike in responding effectively to the region's unique hydrological challenges.

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