OFFICIAL HYDROGRAPHIC OBSERVATION REPORT UK

River Mimram Water Level & Telemetry

Gauge Station: River Mimram at Fulling Mill • South East• United Kingdom

● NORMAL FLOW

Water Level (STAGE)

0.07 m

Normal Band: -0.1 – 0.7 m

Discharge / Flow

— m³/s

Historical Peak: 1 m³/s

Elevation

— ft

Elevation above sea level

VERIFIED TELEMETRY • SOURCE: Environment Agency & SEPA • GAUGE ID: 4770TH • COORD: 51.838°, -0.221°

OBSERVED: Oct 1, 2026, 6:24 PM

River Mimram Where It Flows & Gauge Station

HYDROGRAPHIC MAP & GAUGING LOCATION

PRECIPITATION RADAR

Water Level & Flow Hydrograph (River Mimram)

WATER LEVEL & FLOW HYDROGRAPH: RIVER LEVEL / STAGE (m)

CURRENT READING: 0.07 m

Recorded Telemetry Normal Band

Continuous Observations

GEOGRAPHIC COURSE & HYDROLOGICAL REACH

Where It Flows: River Mimram

The River Mimram is a vital waterway situated within United Kingdom, flowing predominantly across the South East basin. It forms an integral artery of the Mimram drainage basin. Along its course, it navigates through or proximate to Welwyn, providing municipal drainage, agricultural sustenance, and freshwater habitat. Continuous hydrological surveillance at the River Mimram at Fulling Mill gauging station (coordinates: 51.8376°N, -0.2213°W) allows real-time quantification of upstream runoff, seasonal snowmelt pulses, and meteorological flood crests.

COUNTRY

United Kingdom

REGION / STATE

South East

CATCHMENT BASIN

Mimram

GAUGING LOCATION

Welwyn

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

Station / Location	REGION / STATE	Coordinates	Station ID	Action
River Mimram at Fulling Mill CURRENT GAUGE	South East	51.838°, -0.221°	4770TH	Viewing

FREQUENTLY ASKED QUESTIONS ABOUT WATER LEVELS

Frequently Asked Questions About Water Levels: River Mimram

What is the current River Mimram water level today? ↓

As of the latest continuous telemetry report, the River Mimram water level at River Mimram at Fulling Mill is measured at 0.07 m with an observed discharge of active seasonal rate.

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

The primary monitoring station for River Mimram is located at coordinates 51.8376° Latitude and -0.2213° Longitude near Welwyn in South East. Telemetry is recorded under site identifier 4770TH.

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

Typical hydrological levels on the River Mimram generally fluctuate within -0.1 m and 0.7 m. When stage exceeds these parameters, localized bank overflow and flood advisories may be triggered.

Where does the River Mimram flow? ↓

The River Mimram courses through United Kingdom across the South East basin, draining into the Mimram. It provides critical natural drainage and freshwater replenishment across its catchment reach.