River Calder at Birkwood Water Level
Live river level, flow, historical records and forecast for River Calder at Birkwood in England, United Kingdom, built from official government gauge data.
- Location England, United Kingdom
- Primary gauge ea-L1303 (Environment Agency)
About River Calder at Birkwood
River Calder at Birkwood is a gauged river in England.
The watershed
This station sits on the River Calder in England, with 23 years on record. For a river like this, the useful pattern is the seasonal one: higher water in January and lower water in August. The typical level shifts from 1.02 m (3.36 ft) in January to 0.65 m (2.14 ft) in August, with a typical annual swing of 37.4 cm (14.7 in). That is the spread a dock, bank side access, or low intake has to live with through the year.
The record range shows that the channel can move well beyond that usual cycle. The highest level in the record is 4.34 m (14.23 ft), reached in January 2021. The lowest is 0.44 m (1.43 ft), reached in September 2018. For anyone using the river day to day, those two points are the bookends: one shows what a large rise can do to access and margins, the other shows how far levels can drop below the winter pattern.
What the numbers say
The seasonal shape is straightforward. January is usually the highest month, and August the lowest. That fits a temperate river that leans on winter and spring recharge, then eases back later in the year.
The gap between the typical high and low months is not huge in absolute terms, but it is enough to matter for shallow landings, wading spots, and pumps close to the waterline. The record high of 4.34 m (14.23 ft) in January 2021 sits far above the usual January level, while the record low of 0.44 m (1.43 ft) in September 2018 sits below the usual August level. Those are the numbers to keep in mind when judging whether a normal-looking day can still swing toward trouble.
Reading the hero number
The hero number on this page is today’s reading, set against the median for this calendar day across the station record. That comparison is more useful than raw elevation alone because the same level can mean different things in different months. A winter reading near the median may be ordinary; the same reading in late summer may be high for that day.
The station is published by the Environment Agency. With 23 years on record, the median for today gives a better handle on whether the river is running near its usual place for this date, rather than just how high it sits on the staff gauge.
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
Nibi Metrics - live water levels, flow, and forecasts for lakes and rivers across Canada, the US and the UK
Real-time water levels, forecasts, and alerts for lakes and rivers across Canada, the US and the UK. Built on official government data.
Nibi Metrics tracks more than 13,000 gauged lakes and rivers across Canada, the United States and the United Kingdom, reading directly from official federal monitoring networks: the Water Survey of Canada, the United States Geological Survey, Quebec's provincial hydrometric network, and the Environment Agency for England. 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.
What you can see for any monitored lake or river
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.
Alerts that watch the water for you
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.
Where Nibi comes from
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.
Coverage
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.
Free forever, funded by members
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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How every number is computed - About the platform
