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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.

Cataract Creek below Heather Wash near Supai Water Level

Live river level, flow, historical records and forecast for Cataract Creek below Heather Wash near Supai in AZ, United States, built from official government gauge data.

About Cataract Creek below Heather Wash near Supai

Cataract Creek below Heather Wash near Supai - a dynamic desert waterway.

Cataract Creek winds its way through the high desert landscape of Havasu Canyon in Arizona. This segment of the creek, located below Heather Wash, is shaped by the region's distinctive hydrology, where summer monsoon thunderstorms can trigger rapid flash flooding, while winter storms provide vital inflows as snowmelt courses from the higher elevations.

Why the data matters here

This station on Cataract Creek is part of a larger monitoring effort by the U.S. Geological Survey. It covers a catchment area of approximately 2,535 square miles upstream, capturing the intricate interactions between rain events, snowmelt, and the creek's natural flow. While this particular gauge does not measure discharge, it plays a critical role in understanding the water dynamics of the region.

With 18 years of historical data, the readings from Cataract Creek below Heather Wash offer crucial insights into seasonal fluctuations and long-term trends. Today's measurement provides a snapshot against the median for this calendar day, allowing for comparisons that are more informative than raw elevations alone. This context is invaluable for understanding how extreme weather patterns influence the creek, particularly in a region where dry channels can dominate between significant rainfall events. Keeping an eye on these figures helps inform local residents, farmers, and flood-watchers about the current state and potential changes in this vital water source.

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