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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Little Colorado Rvr above Zion Reservoir. near ST. Johns Water Level
Live river level, flow, historical records and forecast for Little Colorado Rvr above Zion Reservoir. near ST. Johns in AZ, United States, built from official government gauge data.
- Location AZ, United States
- Watershed upper little colorado
- Primary gauge 09386030 (USGS)
About Little Colorado Rvr above Zion Reservoir. near ST. Johns
Little Colorado River - a dynamic watercourse of the arid southwest.
Flowing gently above the Zion Reservoir near St. Johns, the Little Colorado River plays an essential role in the hydrology of the Upper Little Colorado watershed. Spanning a drainage area of approximately 1,007 square miles, the river is shaped by the stark patterns of the arid Southwest, where summer monsoon thunderstorms can suddenly unleash powerful flash floods, and winter storms provide critical snowmelt to the larger rivers.
The watershed context
The Upper Little Colorado watershed is a unique ecological region, characterized by its dry climate and episodic flows. The Little Colorado River serves as an important water source, particularly during the summer months when thunderstorms can create swift currents, altering the landscape dramatically in a matter of minutes. In contrast, the river can also experience extended dry periods, which are a common facet of life in this arid environment.
Nearby, the river's peers include the Little Colorado River at Woodruff, Little Colorado River below Salado Springs, and the Little Colorado River below Zion Reservoir. Together, these water bodies illustrate the interconnected nature of the Upper Little Colorado watershed, reminding observers of the delicate balance between the region's sporadic rain and the health of its rivers.
Why the data matters here
Monitoring the Little Colorado River above Zion Reservoir is crucial, particularly given its function within the regional landscape. The US Geological Survey (USGS) measures the river and provides reliable data that helps understand its current conditions. Today’s reading will be compared against the median for this calendar day across 50 years of historical records at this station to reveal more about the river's status. This comparison provides vital context, as understanding the relative elevation against historical norms is far more insightful than simply looking at the raw number. Such data supports local stakeholders—be they farmers, flood-watchers, or environmentalists—in making informed decisions regarding water use and conservation efforts within this arid setting.
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
