Does appearing on this Essex page mean there is a flood warning?

No. The directory lists permanent Environment Agency monitoring areas and stations associated with Essex. Current warnings are shown separately in the live-status panel near the top of the page.

How many EA monitoring areas are associated with Essex?

This directory snapshot contains 136 designated warning or alert areas associated with Essex. The count describes official monitoring coverage; it is not a county or property risk score.

What do the blue points on the map mean?

Each blue point is an Environment Agency water-level monitoring station. A point is not a reported flood, an active warning or proof that nearby property is at risk.

How should I check a specific property?

Use the official long-term flood-risk service for the address, check current warnings, review several station readings where relevant and obtain professional advice for a purchase, planning or insurance decision.

Environment Agency directory · East of England

Flood warnings and river levels in Essex

Current warnings are checked live. Monitoring areas, stations and watercourses below are directory records and may be listed even when no warning is in force.

Designated areas: 136
Level stations: 70
Named watercourses: 68
Directory snapshot: 6 Aug 2026, 01:13

Live Environment Agency status

Current flood warnings in Essex

Check the official Essex flood status →Check long-term risk for an address →View all active warnings →

Directory metadata refreshed 6 Aug 2026, 01:13 (UK time). Warning status is requested separately from the EA feed.

Permanent EA coverage

Designated monitoring areas in Essex

These are predefined places where the Environment Agency can issue a Flood Warning or Flood Alert. The category describes how EA organises the area; it does not show whether an alert is active now. Similar names can refer to different official stretches of the same river.

Official area name	Watercourse / coast	EA area category
The marshland around East Mersea, including the land bordering Pyefleet Channel, Brightlingsea Reach and the Mersea Flats EA ref 051FWCDV4C4	North Sea	Designated warning area Coverage type—not a current warning
The Essex coast from Clacton to St Peters Flat, including Jaywick, Brightlingsea, Mersea Island, Heybridge, Maldon and the Colne and Blackwater estuaries EA ref 051WACDV4C	North Sea	Designated alert area Coverage type—not a current warning
The River Wid from Ingatestone to Writtle, including Margaretting EA ref 051FWFEF6B	Wid	Designated warning area Coverage type—not a current warning
The River Wid from Brentwood, to and including Writtle, and the River Can at Chelmsford EA ref 051WAFEF6BC	River Wid, River Can	Designated alert area Coverage type—not a current warning
The Lower Lee tributaries, including the Nazeing Brook, Ching Brook, Cobbins Brook, Pymmes Brook, Rags Brook, Salmons Brook, Turkey Brook, Trinity Marsh Ditch and the Small River Lee EA ref 062WAF53LLTribs	Ching Brook, Cobbins Brook, Nazeing Brook, Pymmes Brook, Salmons Brook, Turkey Brook, Small River Lee, Rags Brook, Trinity Marsh Ditch	Designated alert area Coverage type—not a current warning
The River Colne from Castle Hedingham to upstream of Halstead, including Sible Hedingham EA ref 051FWFEF4A	Colne	Designated warning area Coverage type—not a current warning
The River Colne from Great Yeldham to Colchester, including Castle Hedingham, Sible Hedingham, Halstead, Earls Colne, Wakes Colne, Chappel and Fordstreet EA ref 051WAFEF4	Colne	Designated alert area Coverage type—not a current warning
River Thames at Thames Ditton Island including Boyle Farm Island EA ref 061FWB23DitIslnd	River Thames	Designated warning area Coverage type—not a current warning
River Thames at Thames Ditton Island including Boyle Farm Island EA ref 061WAB23DitIslnd	River Thames	Designated alert area Coverage type—not a current warning
River Thames from Shepperton to West and East Molesey including Hamm Court, Walton-on-Thames and Sunbury EA ref 061WAF23Shepprtn	River Thames	Designated alert area Coverage type—not a current warning
The River Roding from Ongar to Stapleford including Hallsford Bridge, and Shonk's Mill EA ref 062FWF54Ongar	River Roding	Designated warning area Coverage type—not a current warning
The Upper River Roding including Molehill Green, Dunmow, Ongar, Fyfield, High Ongar and Stapleford EA ref 062WAF54UpRoding	River Roding	Designated alert area Coverage type—not a current warning

Showing 12 of 136 matching areas

River-level monitoring

Stations and readings in Essex

Blue points are monitoring instruments—not flood incidents. Open a station for recent readings, time checked and nearby context.

Open national station map →

Blue point = monitoring stationMarker colour does not represent flood risk or water level

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Kingston

River Thames

Thames from Hurley to Teddington catchment

View readings and location →

Sawbridgeworth

River Stort

Stort catchment

View readings and location →

Lexden

River Colne

Essex catchment

View readings and location →

Waltham Abbey, Sewardstone Road

Cobbins Brook

Lower Lee catchment

View readings and location →

Shonks Mill Bridge

River Roding

Rodding catchment

View readings and location →

Trowlock Island

River Thames

Thames from Hurley to Teddington catchment

View readings and location →

Chipping Ongar

Cripsey Brook

Rodding catchment

View readings and location →

Molesey Lock

River Thames

Thames from Hurley to Teddington catchment

View readings and location →

Great Chesterford

River Cam

Cam and Ely Ouse (Including South Level) catchment

View readings and location →

Mountnessing

River Wid

Essex catchment

View readings and location →

High Ongar

River Roding

Rodding catchment

View readings and location →

Redbridge

River Roding

Rodding catchment

View readings and location →

Showing 12 of 70 matching stations

Directory index

Watercourses associated with Essex

Rivers, streams, drains and coastal waters named in EA area or station records. Inclusion does not mean the watercourse is currently high or flooding.

Amwell Loop
Beam
Beverley Brook
Blackwater
Blackwater Estuary
Brain
Bumpstead Brook
Can
Canons Brook
Chelmer
Ching Brook
Cobbins Brook
Colne
Colne Estuary
Cripsey Brook
Crouch
East Pyl Brook
Eastwood Brook
Essex Coast
Hamford Water
Hogsmill
Hogsmill River
Ingrebourne
Mardyke

Check property-level risk before buying or insuring

Our directory lists 136 Environment Agency warning and alert areas associated with Essex. The count does not determine the risk to a specific address. Use the postcode checker and official long-term flood-risk service, then confirm cover with your insurer or a qualified professional where necessary.

Check a postcode →Flood insurance guide →Planning and flood risk →

Nearby local areas

Greater London

140 designated areas · 102 stations

Hertfordshire

88 designated areas · 56 stations

Luton

1 designated areas · 2 stations

Medway

1 designated areas · 0 stations

Southend-on-Sea

3 designated areas · 1 stations

Thurrock

4 designated areas · 0 stations

Current flood warnings in Essex

Designated monitoring areas in Essex

Stations and readings in Essex

Watercourses associated with Essex

Check property-level risk before buying or insuring

Nearby local areas

Questions about this page