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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.

Canal de Derivacion at Lago de Guajataca Water Level

Live river level, flow, historical records and forecast for Canal de Derivacion at Lago de Guajataca in PR, United States, built from official government gauge data.

About Canal de Derivacion at Lago de Guajataca

Canal de Derivacion at Lago de Guajataca - a vital channel for managing water flow.

This gauge measures the Canal de Derivacion, an important water route that plays a crucial role in the hydrology of the Cibuco-Guajataca watershed in Puerto Rico. This region is characterized by its tropical island hydrology, where rainfall-triggered flash floods can occur throughout the year, especially during hurricane seasons and tropical waves. The unique topography of the island results in steep, short basins that can respond rapidly to heavy rainfall.

The watershed context

The Cibuco-Guajataca watershed is a significant hydrological system in Puerto Rico, providing essential resources for the surrounding communities and ecosystems. The Canal de Derivacion channels water from Lago de Guajataca, facilitating the movement and distribution of water within this watershed. Effectively managing this water flow is essential, especially considering the rapid shifts in water levels during intense rainfall events.

Nearby water bodies, such as Lago Guerrero and the Río Bauta, along with several other canals, create a network of waterways that contribute to the area's hydrology. These connections emphasize the importance of understanding how water levels can shift and the impact this may have on surrounding ecosystems and human activities.

Why the data matters here

Understanding the water level at the Canal de Derivacion is critical for flood management and environmental health. The gauge not only provides insights into the current water conditions but also allows stakeholders to anticipate changes brought about by seasonal rainfall patterns. The data from the U.S. Geological Survey (USGS) compares today's reading against the median for this calendar day across 19 years of historical records. This approach helps assess whether the current conditions are typical or indicate significant fluctuations, offering crucial information for local decision-makers and residents managing the area's water resources.

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