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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.

Pecos River below Brantley Dam near Carlsbad Water Level

Live river level, flow, historical records and forecast for Pecos River below Brantley Dam near Carlsbad in NM, United States, built from official government gauge data.

About Pecos River below Brantley Dam near Carlsbad

Pecos River below Brantley Dam - A crucial lifeline in the arid landscape.

The Pecos River below Brantley Dam near Carlsbad, New Mexico, serves as an essential watercourse in the region's semi-arid climate. This stretch of the Pecos runs through a stark yet striking landscape, providing vital freshwater to local ecosystems and communities striving to flourish in a demanding environment.

The watershed context

This segment of the Pecos River resides in the Upper Pecos-Black watershed and is supported by a substantial drainage area, encompassing approximately 17,650 square miles of the surrounding terrain. Although high-country snowmelt traditionally fuels spring flows in major rivers of New Mexico, the Pecos River below Brantley Dam reflects these hydrological patterns with periodical peaks driven by seasonal changes. During the summer months, the region can experience intense monsoon storms, occasionally leading to flash floods, while long stretches of aridity characterize much of the year.

The nearby Black River, along with its various tributaries, flanks the Pecos River, creating a network of waterways that collectively sustain the ecology and livelihood of the area. This intricate system highlights how interconnected the Upper Pecos-Black watershed is, revealing the importance of monitoring river health and flow rates for both ecological balance and regional planning.

Why the data matters here

Monitoring the flow of the Pecos River below Brantley Dam provides invaluable data for understanding its seasonal variations and for managing local water resources effectively. This gauge, operated by the U.S. Geological Survey (USGS), not only measures the river’s flow but also offers insights into the broader hydrological patterns affecting the region. Today's reading can be accurately compared against the median for this calendar day over the last 50 years, revealing how current conditions stack up against historical data. This context is crucial, as it paints a clearer picture of changing water levels, highlighting potential impacts on agriculture, wildlife, and recreational opportunities in this vital region.

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