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.
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Maulap River near Agat, Guam Water Level
Live river level, flow, historical records and forecast for Maulap River near Agat, Guam in GU, United States, built from official government gauge data.
- Location GU, United States
- Watershed guam
- Primary gauge 16848500 (USGS)
About Maulap River near Agat, Guam
Maulap River - a vital watercourse in Guam's lush landscape.
The Maulap River flows near Agat, Guam, serving as a crucial element of the island's intricate hydrology. With a drainage area of roughly 1.2 square miles, it is part of the broader Guam watershed and connects to several neighboring rivers, including the Almagosa River and the Ugum River. This river is vital for managing water resources on the island, especially considering the region's rainfall-driven flash floods that can be exacerbated by typhoons.
The watershed context
Guam experiences a tropical Pacific island climate, characterized by distinct wet and dry seasons. This makes the Maulap River particularly responsive to the seasonal changes, with rain events rapidly affecting the river's flow. During the wet season, intense rainfall can lead to swift increases in water levels, while the dry season sees much lower flows, showcasing the river’s dynamic nature.
The surrounding environment is shaped by steep basins that result in quick runoff during intense storms, leading to the potential for flash flooding. Residents and local ecosystems depend heavily on the river for both water supply and as a natural drainage system during heavy rains.
Why the data matters here
Today’s water data is essential for understanding the flow in the Maulap River. The US Geological Survey (USGS) station monitors discharge, providing insights that help inform local communities, farmers, and environmental managers about current water conditions. Today’s river reading, when compared to the median level for this calendar day, reveals critical information about the river’s health and responsiveness to seasonal changes. Monitoring against median levels is more informative than raw elevation alone; it provides context that can help anticipate flood risks or water shortages throughout the year, particularly important in an area prone to extreme weather. Over the past 50 years, these insights have proven vital for effective water management in Guam.
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
