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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.

Gila River at Estrella Parkway, near Goodyear Water Level

Live river level, flow, historical records and forecast for Gila River at Estrella Parkway, near Goodyear in AZ, United States, built from official government gauge data.

About Gila River at Estrella Parkway, near Goodyear

Gila River - An essential lifeline in arid terrain.

The Gila River at Estrella Parkway is a significant stretch of water winding its way through the arid landscapes of Arizona. Located near Goodyear, this segment of the river is vital to the ecosystem and community, acting as a source of irrigation and habitat for various species.

The watershed context

This section of the Gila River is part of the Lower Gila-Painted Rock Reservoir watershed, draining an expansive area of roughly 45,585 square miles upstream. The river's flow and water levels are influenced by seasonal weather patterns typical to the arid Southwest. Summer monsoon thunderstorms can lead to rapid, violent flash floods, while winter storms and high-country snowmelt help replenish the river, particularly in the spring months.

Nearby, the Enterprise Canal at Gillespie Dam and the Gila River below Gillespie Dam are notable peers sharing the same watershed, contributing to a network of water systems that support both ecological and human needs.

Why the data matters here

Today’s reading from the Gila River at Estrella Parkway is compared against the median historical record for this calendar day, a critical measure to assess current conditions. The U.S. Geological Survey (USGS) manages this station and provides necessary data to inform residents and agencies about river levels and potential flooding scenarios. Given the 34 years of data collected here, understanding today’s water levels in relation to historical patterns can help prepare for the unpredictable nature of water flow in this 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