Kilcullen Science and Engineering

Kilcullen Science and Engineering - Exploring Science, Engineering, and Technology

Friday, February 06, 2026

Poulaphouca Water Level Stats Updated: Level up 30 cm

Graph of water level in reservoir
Water level in Poulaphouca reservoir
Water level has increased by 30 cm from the same time yesterday, equivalent to 6.78 million cubic metres (m³) for the 22.6 square kilometre lake. That's despite the 2.94 million m³ of water discharged in the past day from Golden Falls dam. Although discharges for Golden Falls were forecast to be 45 m³/s at four points in the day yesterday, flow stats showed that they were 34 m³/s, averaged over the whole day. Possibly this was due to lower-than-forecast discharges in the evening or at midnight today. Water level under the bridge in Kilcullen circa 8 pm last night had dropped by about 4 inches.
The ESB press office has just contacted me with details about "theoretical highest level possible" at the dams. More info later.
Screenshots courtesy ESB hydrometrics.

Table of water levels in Poulaphouca reservoir

High water levels under a bridge
Higher-than-normal water levels under one of the arches of Kilcullen Bridge. © Eugene Brennan

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