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—— ft above typical
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Live river level, flow, historical records and forecast for Holland River East at Holland Landing in Ontario, ON, Canada, built from official government gauge data.
Holland River East - A vital tributary in the Black River - Lake Simcoe watershed.
The Holland River East flows gracefully through Holland Landing, a key waterway within the Black River - Lake Simcoe watershed in Ontario. This river serves not only as a habitat for diverse aquatic life but also as an important resource for the surrounding communities, connecting cottagers and anglers to the pleasures of the water. Spanning a catchment area of about 177 square kilometres, the Holland River East is fed by various smaller streams, contributing to its role as a vital artery in the region’s hydrology.
Positioned within the broader Black River - Lake Simcoe watershed, the Holland River East plays an essential role in the local hydrological cycle. Neighbouring waterways, such as the Beaver River near Beaverton and the Black River at Baldwin, share this ecological landscape and contribute to the overall health of the region's waterways.
Typically, Ontario experiences a snowmelt-driven seasonal hydrology, meaning that the river sees increased flow during the spring freshet from late April to May. This is followed by a natural decline during the summer months (July through September), as evaporation and reduced inflow begin to take their toll. The environment transitions again as winter approaches, ultimately marked by a steady drop in water levels as ice forms.
Water level measurements are essential for understanding the health of the river and the surrounding ecosystem. The Holland River East gauge operates under the jurisdiction of Water Survey of Canada, measuring levels and flows that reflect the overall condition and vitality of the waterway. Today’s reading offers critical insight: it is compared against the median for this calendar day based on nearly 50 years of historical data. This comparison helps to assess fluctuations that may indicate seasonal changes or long-term trends. Understanding these variations assists community members in making informed decisions regarding activities such as fishing and water-based recreation, while also aiding in flood monitoring efforts.
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.
Real-time water levels, forecasts, and alerts for lakes and rivers in a growing number of countries. Built on official government data.
Nibi Metrics tracks more than 17,900 gauged lakes and rivers in a growing number of countries, reading directly from official federal monitoring networks: the Water Survey of Canada, the United States Geological Survey, Quebec's provincial hydrometric network, the Environment Agency for England, the Scottish Environment Protection Agency, Natural Resources Wales, the Office of Public Works in Ireland (waterlevel.ie), the Norwegian Water Resources and Energy Directorate (NVE), the State of Queensland's water monitoring network, and on the Great Lakes the Canadian Hydrographic Service and NOAA. Every number on the platform is measured, not modelled - taken from a government gauge on the water itself and compared against that location's own historical record for this exact date.
The level right now, in feet or metres, updated as the source agency publishes new readings - for many stations that is every five to fifteen minutes. How today compares to typical: every location carries its own typical-for-this-date band built from its historical record, so a reading is never just a number - it is above, below, or near what this water usually does on this calendar day. Which way it is moving: a measured RISING, FALLING, or STEADY verdict computed from the gauge's own recent readings, with the rate of change - the difference between a flood ending and one beginning. What comes next: level forecasts up to 72 hours ahead, driven by the gauge's recent behaviour, upstream water, and quantitative precipitation forecasts, alongside live radar, lightning, and weather for the surrounding region.
Set a threshold on any location - a level, a distance above typical, or a rate of climb - and Nibi emails or notifies you the moment the gauge crosses it. Cottagers use it for spring freshet, anglers for river conditions, marinas and municipalities for operations. The scanning runs around the clock against the same measured data shown on every page.
Nibi means water in Anishinaabemowin. The platform began at a family cottage on Lake Muskoka, Ontario, where the spring melt floods the shoreline most years and the only forecast was standing on the dock, looking, and guessing. It grew into an independent, member-funded platform run by Muskoka Research Inc. - no investors, no data resale, and a privacy policy shorter than most cookie banners. The core data is free for everyone, forever; paid plans add automation like multi-location alerts, deep history, and reports.
Nibi spans the continent: every Canadian province and territory with active federal gauges - from Vancouver Island rivers to the Muskoka lakes, prairie reservoirs, and Quebec's hydrometric network - and the United States from Maine to the Texas Hill Country, the Ohio Valley, and the Pacific Northwest. Coverage grows where the water news is: when a basin floods, its gauges join the platform with their full historical records attached. Many stations report every five to fifteen minutes; most report at least hourly; every page states exactly when its gauge last spoke.
The core promise is simple: the water data is free, for everyone, forever. Live levels, maps, radar, and recent history never sit behind a paywall. Paid plans fund the platform by adding automation - multi-location alerts, decades of history, longer forecasts, and PDF reports - so the people who need more carry the cost for everyone who just needs to check the lake before driving up. There are no investors and no advertising deals shaping what the data says.
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