| The marshland around East Mersea, including the land bordering Pyefleet Channel, Brightlingsea Reach and the Mersea Flats | North Sea | Warning |
| The Essex coast from Clacton to St Peters Flat, including Jaywick, Brightlingsea, Mersea Island, Heybridge, Maldon and the Colne and Blackwater estuaries | North Sea | Alert |
| The River Wid from Ingatestone to Writtle, including Margaretting | Wid | Warning |
| The River Wid from Brentwood, to and including Writtle, and the River Can at Chelmsford | River Wid, River Can | Alert |
| 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 | Ching Brook, Cobbins Brook, Nazeing Brook, Pymmes Brook, Salmons Brook, Turkey Brook, Small River Lee, Rags Brook, Trinity Marsh Ditch | Alert |
| The River Colne from Castle Hedingham to upstream of Halstead, including Sible Hedingham | Colne | Warning |
| The River Colne from Great Yeldham to Colchester, including Castle Hedingham, Sible Hedingham, Halstead, Earls Colne, Wakes Colne, Chappel and Fordstreet | Colne | Alert |
| River Thames at Thames Ditton Island including Boyle Farm Island | River Thames | Warning |
| River Thames at Thames Ditton Island including Boyle Farm Island | River Thames | Alert |
| River Thames from Shepperton to West and East Molesey including Hamm Court, Walton-on-Thames and Sunbury | River Thames | Alert |
| The River Roding from Ongar to Stapleford including Hallsford Bridge, and Shonk's Mill | River Roding | Warning |
| The Upper River Roding including Molehill Green, Dunmow, Ongar, Fyfield, High Ongar and Stapleford | River Roding | Alert |
| The River Ingrebourne at Harold Park including Harold Wood | Ingrebourne | Warning |
| The River Ingrebourne at Harold Park and Hornchurch including Harold Wood, Upminster and Rainham | Ingrebourne | Alert |
| The Lower River Roding including Redbridge, Woodford, Wanstead, Ilford, East Ham and Barking | River Roding | Alert |
| River Lee at Hertford and Ware including Stanstead Abbotts | River Lee | Warning |
| River Lee at Hertford including Lemsford, Hatfield, Ware and Stanstead Abbotts | River Lee | Alert |
| The River Roach, Prittle Brook and Eastwood Brook at Southend | Roach, Prittle Brook, Eastwood Brook | Alert |
| Paglesham, Great Stambridge, Rochford, Little and Great Wakering, Potton Island and Rushley Island | River Crouch | Warning |
| The Essex coast from St Peters Flat to Shoeburyness, including Burnham-on-Crouch, South Woodham Ferrers, Hullbridge and the Crouch and Roach estuaries | River Crouch, River Roach, North Sea | Alert |
| The River Brain, including Podds Brook, through Braintree, Black Notley, White Notley and Witham | Brain | Warning |
| The Rivers Pant and Blackwater from, Great Bardfield to Langford including Braintree, and the River Brain from, Black Notley to Witham | Pant, Blackwater, Brain | Alert |
| The Essex coast from St Peters Flat to Burnham-on-Crouch, including Dengie Marshes | River Crouch, North Sea | Warning |
| The tidal River Colne at Point Clear from the Tower Estate to Oakmead Road and Osyth Creek | Colne Estuary | Warning |
| The Rivers Beam and Rom at Romford, Hornchurch, Dagenham and Rainham | Beam, Rom | Alert |
| The River Crane at Hillingdon, Southall, Cranford, Feltham and Twickenham | River Crane | Alert |
| The River Colne through Colchester, from the Avenue of Remembrance to Brook Street | Colne | Warning |
| River Cam from Newport to Whittlesford including the Slades | River Cam | Alert |
| The Lower River Lee from Hoddesdon to Canning Town including, Cheshunt, Enfield, Edmonton, Tottenham, Walthamstow, Hackney, Stratford and West Ham | River Lee | Alert |
| Beverley Brook at Barnes, London Boroughs of Richmond upon Thames and Wandsworth | Beverley Brook | Warning |
| Beverley Brook area, including the Pyl Brook, in the London Boroughs of Merton, Sutton, Kingston upon Thames, Richmond upon Thames and Wandsworth | Beverley Brook, Pyl Brook, East Pyl Brook | Alert |
| The Stansted Brook at Stansted Mountfitchet | Stansted Brook | Warning |
| The River Stort, Stansted Brook and their tributaries from Clavering to Hoddesdon including Stansted Mountfitchet, Bishops Stortford, Sawbridgeworth and Harlow | River Stort, Stansted Brook | Alert |
| The Lower River Lee at Enfield including Edmonton and Tottenham | River Lee | Warning |
| River Thames from the River Brent to the River Crane including East Isleworth and Syon Park | River Thames | Warning |
| River Thames including areas in the boroughs of Kensington & Chelsea, Hammersmith & Fulham, Ealing and Hounslow | River Thames | Alert |
| River Thames including areas in the boroughs of Wandsworth and Richmond-upon-Thames | River Thames | Alert |
| River Thames from Raven's Ait to Teddington Weir including, Raven's Ait, the Hogsmill River below the university Knights Park Campus, both Kingston Bridge's and Steven's Eyot | River Thames | Warning |
| River Thames from Hampton and Thames Ditton to Teddington including Hampton Wick and Kingston-upon-Thames | River Thames | Alert |
| Holland Marshes, from Frinton Tennis Club and Golf Course to Valley Road in Holland-on-Sea | Essex Coast | Warning |
| River Hogsmill area from Ewell to Kingston upon Thames, including the Surbiton Stream in Surbiton and the Green Lane Stream between Ewell and Epsom | Hogsmill | Alert |
| River Thames at Thames Ditton including Ditton Field and Ditton Reach | River Thames | Warning |
| The River Stort at Harlow including Roydon | River Stort | Warning |
| The tidal River Colne upstream of the Colne Barrier at Wivenhoe, including the Roman River at Fingringhoe and Colchester | River Colne | Warning |
| River Thames at Teddington including Broom Road and Lower Teddington Road | River Thames | Warning |
| River Thames from Mortlake High Street East to Richmond Bridge including Mortlake, North Sheen, Kew, the Royal Botanic Gardens and Old Deer Park | River Thames | Warning |
| The Cripsey Brook at Chipping Ongar including Shelley | Cripsey Brook | Warning |
| The Cripsey Brook including Thornwood Common, North Weald Bassett, Moreton and Chipping Ongar | Cripsey Brook | Alert |
| River Thames at East and West Molesey including Hurst Park, Buckingham Avenue and the Royal Mews area | River Thames | Warning |
| The Nazeing Brook at Lower Nazeing | Nazeing Brook | Warning |
| The River Stort at Clavering and Manuden | River Stort | Warning |
| Canvey Island north of the A130, Long Road | Thames Estuary | Warning |
| The Essex coast at Canvey Island to South Benfleet, and Wat Tyler Country Park and surrounding marshland | Thames Estuary | Alert |
| Riverside properties in Chelmsford, from Rivermead Industrial Estate through Central and Admirals Park including the cricket ground, to Lordship Lane | Chelmer, Can | Warning |
| Hullbridge waterside properties and the Dome Caravan Park | River Crouch | Warning |
| The Eastwood Brook from downstream of Rayleigh Weir and the Prittlewell Brook, to Southend Airport | Roach, Prittle Brook, Eastwood Brook | Warning |
| River Thames from Putney Bridge to Mortlake High Street East including Barnes | River Thames | Warning |
| The River Pant, from Great Bardfield to Braintree, including Shalford | Pant | Warning |
| Shellhaven to Tilbury, including Mucking and Linford | Thames Estuary | Warning |
| The Essex coast from Fobbing to Purfleet-on-Thames, including Tilbury, Grays and the Dartford Crossing | Thames Estuary | Alert |
| Beverley Brook at Worcester Park, including Motspur Park, London Boroughs of Kingston upon Thames and Sutton | Beverley Brook | Warning |
| River Thames at Kingston-upon-Thames town including, central Kingston, the area around Canbury Gardens and Albany Park Road | River Thames | Warning |
| River Thames at Trowlock Island including the Royal Canoe Club | River Thames | Alert |
| The Cobbins Brook at Waltham Abbey | Cobbins Brook | Warning |
| The River Chelmer from Great Dunmow to Rivermead campus and the Industrial Estate in Chelmsford | Chelmer | Alert |
| Beverley Brook at West Barnes, London Boroughs of Kingston upon Thames and Merton | Beverley Brook | Warning |
| The marshland area around Hamford Water, from West End Lane in Dovercourt to the north of Kirby-le-Soken | Hamford Water | Warning |
| Salcott cum Virley, and surrounding marshland | Blackwater Estuary | Warning |
| The River Colne from Halstead to Lexden, including Wakes Colne | Colne | Warning |
| Beverley Brook at Raynes Park Including Beverley Way and Malden Golf Course, London Boroughs of Kingston upon Thames and Merton | Beverley Brook | Warning |
| The Mardyke to the River Thames at Purfleet-on-Thames | Mardyke | Alert |
| River Thames from the Hogarth Lane Roundabout to the River Brent including South Chiswick, Grove Park, Strand-on-the-Green and Brentford | River Thames | Warning |
| The tidal River Stour at Mistley, including the Quay and The Walls | River Stour | Warning |
| Burnham-on-Crouch, from Wick Road to Dengie Hundred Sports Centre, including the High Street | River Crouch | Warning |
| The tidal River Colne from Brightlingsea to the Colne Barrier at Wivenhoe | River Colne | Warning |
| The north bank of the Blackwater estuary from Goldhanger to Maldon, including Heybridge Basin | Essex Coast | Warning |
| River Thames from Platts Eyot to Hampton Court Bridge, including Platts Eyot, area around Hampton Sailing Club, Garrick's Eyot, Taggs Island, Ash Island and Molesey Lock | River Thames | Warning |
| The Cripsey Brook at Moreton from Weald Bridge to Shelley Common | Cripsey Brook | Warning |
| The River Stort at Sawbridgeworth | River Stort | Warning |
| The Pincey Brook near Sheering | Pincey Brook | Warning |
| The Pincey Brook and its tributaries from Takeley to Harlow including Hatfield Broad Oak, Hatfield Heath and Sheering | Pincey Brook | Alert |
| The River Chelmer from the A138 at Chelmsford to Langford, the River Ter from A120 at Stebbing Green to Boreham, and the brooks around Sandon | Chelmer | Alert |
| River Thames at Walton-on-Thames including Desborough Island, Walton Bridge and Elmbridge Leisure Centre | River Thames | Warning |
| River Granta from Linton to Babraham | River Granta | Alert |
| Maldon Town waterfront from Anchorage Hill, including Chandlers Quay, The Hythe, Promenade Park and Blackwater Leisure Centre | River Blackwater | Warning |
| The Essex coast at West Mersea, including The Strood and surrounding marshland from the Colne Barrier to Abbotts Hall Farm | River Colne, North Sea | Warning |
| The River Chelmer from Churchend, through Great Dunmow, Hartford End, Howe Street and Little Waltham to the Rivermead Industrial Estate in Chelmsford | Chelmer | Warning |
| River Hogsmill at Ewell Court, Ruxley and Old Malden, London Borough of Kingston upon Thames and Epsom and Ewell | Hogsmill | Warning |
| The River Crouch from Noaks Bridge to Runwell, including Wickford | River Crouch | Alert |
| The Parkeston Quay and the Ramsey River, including Harwich International Port | River Stour, Ramsey River | Warning |
| The Rivers Can and Chelmer through Chelmsford, including the High Street and Meadows Shopping Centre | Chelmer, River Can | Warning |
| Wallsea and Foulness Islands, including New England and Havengore Island | River Crouch, North Sea | Warning |
| The River Blackwater from Braintree to Langford, including Coggeshall and Kelvedon | Blackwater | Warning |
| The River Roding in Redbridge including Woodford, Wanstead and Ilford | River Roding | Warning |
| The Essex coast from Clacton Lifeboat station to Lee-over-sands, including Jaywick and Seawick | Essex Coast | Warning |
| The River Crane at Cranford and Feltham including North Feltham | River Crane | Warning |
| River Thames at Hampton and Hampton Wick including Hampton Court, properties on the Barge Walk, Hampton Court Palace Golf Club and Hampton Court Road | River Thames | Warning |
| Riverside properties in Colchester, from Westway to East Street, including Lower Castle Park and the cricket ground | Colne | Warning |
| River Thames riverside from Putney Bridge to Teddington Weir | River Thames | Alert |
| Beverley Brook at Wimbledon Common and Richmond Park including Kingston Vale and Robin Hood Gate and Roehampton, London Boroughs of Kingston upon Thames and Merton | Beverley Brook | Warning |
| The Canons Brook and its tributaries from Harlow to Parndon Mead including, Great Parndon, Hare Street and Little Parndon | Canons Brook | Alert |
| Walton on the Naze, from Walton Hall marshes to the Martello Caravan Park | Essex Coast | Warning |
| Leigh-on-Sea frontage including the High Street, Chalkwell to Hadleigh marshes and Two Tree Island | Thames Estuary | Warning |
| The Essex coast from Leigh-on-Sea, to and including, Hadleigh Marshes, and Two Tree Island | Thames Estuary | Alert |
| The area of Tollesbury from Salcott Channel, including Old Hall Creek and adjacent marshland towards Goldhangar | Blackwater Estuary | Warning |
| The River Chelmer from the A138 at Chelmsford to Maldon, including Sandford Mill Bridge, Chelmer Village, Paper Mill Bridge and Ulting | Chelmer | Warning |
| The Tidal River Crane at Twickenham | River Crane | Alert |
| River Hogsmill at Kingston, London Borough of Kingston upon Thames | Hogsmill | Warning |
| River Thames at Trowlock Island including the Royal Canoe Club | River Thames | Warning |
| The River Stort at Bishops Stortford including Spellbrook | River Stort | Warning |
| The River Crane at Twickenham including Cole Park | River Crane | Warning |
| The Middle River Roding including Abridge, Loughton, Brookhouse Brook and Buckhurst Hill | River Roding | Alert |
| The tidal River Stour at Manningtree, from the railway station to Kiln Lane at The Walls | River Stour | Warning |
| The River Roding at Abridge | River Roding | Warning |
| The tidal River Crouch from Creeksea to Battlesbridge, including north and South Fambridge, Hullbridge and South Woodham Ferrers | River Crouch | Warning |
| The River Crouch from Noak Bridge through Wickford to Runwell | Crouch | Warning |
| The south bank of the Blackwater estuary from Maldon to Maylandsea, including Northey Island | Essex Coast | Warning |
| The River Roding at Fyfield including High Ongar Bridge | River Roding | Warning |
| The Tidal River Crane at Isleworth | River Crane | Warning |
| River Thames in the Sunbury town area, including Longwood Business Park, Halliford Road areas of Upper Halliford and Sunbury, Lower Hampton Road park, Kenton Court Meadow and Kempton Park Racecourse areas | River Thames | Warning |
| The River Roding at Loughton including Buckhurst Hill | River Roding | Warning |
| The Lower River Lee at Hoddesdon and Cheshunt including Broxbourne and Waltham Abbey | River Lee | Warning |
| Canvey Island south of the A130, Long Road | Thames Estuary | Warning |
| The south bank of the Blackwater estuary from Maylandsea to St Peters Flat, including Osea Island | Blackwater Estuary | Warning |
| River Thames from Richmond Bridge to Teddington Weir including West Petersham and Ham Lands | River Thames | Warning |
| River Thames from the River Crane to Teddington Weir including St. Margaret's, Eel Pie Island, Strawberry Hill and East Teddington | River Thames | Warning |
| Harwich Town and Quay, Dovercourt between Lower Marine Parade, Wick Lane and West End Lane, and areas around Bathside Bay | River Stour, North Sea | Warning |
| High Street in Little Chesterford, Manor Lane, Newmarket Road and London Road in Great Chesterford, Church Street and Mill Lane in Ickleton, Hinxton Hall and Mill Lane in Hinxton, Mill Lane in Duxford and Mill Lane in Whittlesford | River Cam | Warning |
| Thaxted Road, Peaslands Road, Farmadine, Radwinter Road, East Street, Hill Street, Gold Street, Cross Street, Market Walk, Market Row, George Street, High Street, Bartletts, Abbey Lane, Primes Close, Park Lane, Freshwell Street and Bridge Street | River Cam | Warning |
| Bumpstead Brook from Helions Bumpstead through Steeple Bumpstead and Broad Green to New England | Bumpstead Brook | Warning |
| Old Mead Road in Henham, North Hall Road in Quendon, London Road, Station Road, High Street, Bridge End, Willow Vale, Bury Water Lane, Belmont Hill and Cambridge Road in Newport, Duck Street in Wendons Ambo, Mill Lane and Walden Road in Littlebury | River Cam | Warning |
| River Thames from Putney Bridge to the Hogarth Lane Roundabout including Fulham Palace, Craven Cottage, the Hammersmith Flyover, Furnival Gardens and South Chiswick | River Thames | Warning |
| Surbiton Stream at Berrylands, Alexandra, Surbiton Hill, Tolworth and Hook Rise, London Borough of Kingston upon Thames | Surbiton | Warning |
| The upper River Colne and surrounding tributaries, including Great Yeldham | | Alert |
| The upper River Colne and surrounding tributaries, through Great Yeldham to Castle Hedingham | | Warning |
| Thaxted Road in Saffron Walden | Victoria Slade | Warning |