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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.

Mineral C near Valdez AK Water Level

Live river level, flow, historical records and forecast for Mineral C near Valdez AK in AK, United States, built from official government gauge data.

About Mineral C near Valdez AK

Mineral C - A subtle waterway in the Eastern Prince William Sound.

Mineral C flows through the rugged landscapes of Alaska, nestled in the Eastern Prince William Sound watershed. This river, located near Valdez, is part of a dynamic hydrological system characterized by subarctic conditions, making it an interesting subject for water enthusiasts and local researchers alike.

Why the data matters here

Today's river conditions are tracked by the U.S. Geological Survey (USGS), which provides continuous monitoring of Mineral C near Valdez. The catchment area draining to this point measures roughly 44.6 square miles, offering valuable insight into the river's response to rainfall and seasonal shifts. Though there are no recorded discharge measurements available, understanding river stages can help gauge how conditions might affect local ecology and land use.

This region experiences significant seasonal variations influenced by snowmelt from higher elevations in spring and summer. This hydrological rhythm might drive flood events, particularly where ice jams are common. Following this annual cycle, deep winter presents lower flow rates due to ice cover, reflecting the stark contrasts in water movement throughout the year.

With only two years of data to reference, each elevation reading serves as a crucial marker for establishing a clearer understanding of the river's behavior over time. Monitoring today's conditions against historical medians not only provides context but also helps manage the expectations of those living nearby or relying on this waterway for recreation and resource planning.

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