OFFICIAL HYDROGRAPHIC OBSERVATION REPORT IE

River Derry Water Level & Telemetry

Gauge Station: Clonegall Bridge (Derry) • Leinster• Ireland

● NORMAL FLOW

Water Level (STAGE)

1.57 m

Normal Band: 3.5 – 28.0 m

Discharge / Flow

16 m³/s

Historical Peak: 120 m³/s

Elevation

— ft

Elevation above sea level

VERIFIED TELEMETRY • SOURCE: Office of Public Works (waterlevel.ie) • GAUGE ID: IE-0000012046@52.6927,-6.6447 • COORD: 52.693°, -6.645°

OBSERVED: Oct 1, 2026, 5:06 PM

River Derry Where It Flows & Gauge Station

HYDROGRAPHIC MAP & GAUGING LOCATION

PRECIPITATION RADAR

GEOGRAPHIC COURSE & HYDROLOGICAL REACH

Where It Flows: River Derry

The River Derry is a vital waterway situated within Ireland, flowing predominantly across the Leinster basin. It forms an integral artery of the South Eastern RBD (HA 12) drainage basin. Along its course, it navigates through or proximate to Clonegall Bridge, providing municipal drainage, agricultural sustenance, and freshwater habitat. Continuous hydrological surveillance at the Clonegall Bridge (Derry) gauging station (coordinates: 52.6927°N, -6.6447°W) allows real-time quantification of upstream runoff, seasonal snowmelt pulses, and meteorological flood crests.

COUNTRY

Ireland

REGION / STATE

Leinster

CATCHMENT BASIN

South Eastern RBD (HA 12)

GAUGING LOCATION

Clonegall Bridge

MONITORING STATIONS & GAUGES ALONG (1) UPSTREAM & DOWNSTREAM POINTS

Station / Location	REGION / STATE	Coordinates	Station ID	Action
Clonegall Bridge (Derry) CURRENT GAUGE	Leinster	52.693°, -6.645°	IE-0000012046@52.6927,-6.6447	Viewing

FREQUENTLY ASKED QUESTIONS ABOUT WATER LEVELS

Frequently Asked Questions About Water Levels: River Derry

What is the current River Derry water level today? ↓

As of the latest continuous telemetry report, the River Derry water level at Clonegall Bridge (Derry) is measured at baseline with an observed discharge of 16 m³/s.

Where is the official monitoring gauge for River Derry located? ↓

The primary monitoring station for River Derry is located at coordinates 52.6927° Latitude and -6.6447° Longitude near Clonegall Bridge in Leinster. Telemetry is recorded under site identifier IE-0000012046@52.6927,-6.6447.

What are normal water levels and flood stages for River Derry? ↓

Typical hydrological levels on the River Derry generally fluctuate within 3.5 m and 28.0 m. When stage exceeds these parameters, localized bank overflow and flood advisories may be triggered.

Where does the River Derry flow? ↓

The River Derry courses through Ireland across the Leinster basin, draining into the South Eastern RBD (HA 12). It provides critical natural drainage and freshwater replenishment across its catchment reach.