Manchester and Salford (Davyhulme)STW UKENNW_UU_TP000042 11,206,250 population equivalent (p.e.) 2018 LONDON (Becton STW) UKENTH_TWU_TP000014 3,578,977 population equivalent (p.e.) 2018 Belfast UKNI_TP00023 3,000,000 population equivalent (p.e.) 2018 LONDON (Mogden STW) UKENTH_TWU_TP000113 2,013,584 population equivalent (p.e.) 2018 LONDON (Crossness STW) UKENTH_TWU_TP000052 1,950,000 population equivalent (p.e.) 2018 BIRMINGHAM & BLACK COUNTRY NO. 1 (MINWORTH) STW UKENMI_ST_TP000156 1,900,000 population equivalent (p.e.) 2018 BRISTOL STW UKENSW_WXW_TP000004 1,004,450 population equivalent (p.e.) 2018 NEWCASTLE (Howdon) STW UKENNE_NU_TP000031 1,003,785 population equivalent (p.e.) 2018 CARDIFF STW UKWAWA_WW_TP000026 977,283 population equivalent (p.e.) 2018 LONDON (Deepham STW) UKENTH_TWU_TP000054 911,686 population equivalent (p.e.) 2018 LONDON (Long Reach STW) UKENTH_TWU_TP000102 892,000 population equivalent (p.e.) 2018 LEEDS (KNOSTROP) STW UKENNE_YW_TP000098 872,627 population equivalent (p.e.) 2018 EDINBURGH, SEAFIELD WWTW UKSC_TP00070 752,367 population equivalent (p.e.) 2018 LEICESTER STW UKENMI_ST_TP000222 700,000 population equivalent (p.e.) 2018 LIVERPOOL (SANDON [NORTH LIVERPOOL DOCKS] ) STW UKENNW_UU_TP000110 693,484 population equivalent (p.e.) 2018 NOTTINGHAM STW UKENMI_ST_TP000163 650,000 population equivalent (p.e.) 2018 DALMUIR PFI - DALMUIR WWTW UKSC_TP00052 593,802 population equivalent (p.e.) 2018 SHEFFIELD (BLACKBURN MEADOWS) STW UKENNE_YW_TP000057 585,367 population equivalent (p.e.) 2018 SHIELDHALL S.T.W. UKSC_TP00167 574,000 population equivalent (p.e.) 2018 MIDDLESBOROUGH STW UKENNE_NU_TP000012 568,783 population equivalent (p.e.) 2018 BRADFORD ESHOLT STW UKENNE_YW_TP000082 568,071 population equivalent (p.e.) 2018 HULL STW UKENNE_YW_TP000095 550,794 population equivalent (p.e.) 2018 HUDDERSFIELD STW UKENNE_YW_TP000094 514,181 population equivalent (p.e.) 2018 MAPLE LODGE, BUCKS STW" UKENTH_TWU_TP000106 506,028 population equivalent (p.e.) 2018 Newtownards (Ballyrickard) UKNI_TP00065 499,080 population equivalent (p.e.) 2018 MEADOWHEAD W.W.T. SERVICE UKSC_TP00132 470,250 population equivalent (p.e.) 2018 COVENTRY STW UKENMI_ST_TP000068 464,014 population equivalent (p.e.) 2018 NORWICH STW UKENAN_AW_TP000200 450,000 population equivalent (p.e.) 2018 STOKE ON TRENT (STRONGFORD) STW UKENMI_ST_TP000207 435,738 population equivalent (p.e.) 2018 LEVEN VALLEY, LEVENMOUTH WWTW UKSC_TP00121 433,333 population equivalent (p.e.) 2018 NIGG WWTW- ABERDEEN PFI UKSC_TP00149 425,000 population equivalent (p.e.) 2018 LONDON (Riverside STW) UKENTH_TWU_TP000125 422,864 population equivalent (p.e.) 2018 LONDON (HOGSMILL Valley STW) UKENTH_TWU_TP000084 421,000 population equivalent (p.e.) 2018 WIGAN (HOSCAR) STW UKENNW_UU_TP000133 410,498 population equivalent (p.e.) 2018 BURTON ON TRENT STW UKENMI_ST_TP000056 410,000 population equivalent (p.e.) 2018 DERBY STW UKENMI_ST_TP000074 410,000 population equivalent (p.e.) 2018 Rye Meads STW UKENTH_TWU_TP000126 407,317 population equivalent (p.e.) 2018 LONDON (Beddington STW) UKENTH_TWU_TP000015 405,886 population equivalent (p.e.) 2018 LOWESTOFT STW UKENAN_AW_TP000170 405,000 population equivalent (p.e.) 2018 BOLTON STW UKENNW_UU_TP000019 396,367 population equivalent (p.e.) 2018 DEWSBURY AND BATLEY STW UKENNE_YW_TP000107 379,734 population equivalent (p.e.) 2018 PORTSMOUTH AND HAVANT STW UKENSO_SW_TP000004 374,241 population equivalent (p.e.) 2018 BLACKBURN STW UKENNW_UU_TP000018 368,722 population equivalent (p.e.) 2018 NORTHAMPTON STW UKENAN_AW_TP000107 337,357 population equivalent (p.e.) 2018 NORTH WARRINGTON STW UKENNW_UU_TP000124 332,932 population equivalent (p.e.) 2018 DALMARNOCK S.T.W. UKSC_TP00050 330,000 population equivalent (p.e.) 2018 TILBURY STW, TILBURY, ESSEX" UKENAN_AW_TP000308 325,000 population equivalent (p.e.) 2018 MILTON KEYNES STW UKENAN_AW_TP000069 320,000 population equivalent (p.e.) 2018 NEWPORT STW UKWAWA_WW_TP000006 304,036 population equivalent (p.e.) 2018 READING STW UKENTH_TWU_TP000122 300,611 population equivalent (p.e.) 2018 Fleetwood and Blackpool (Fleetwood Marsh) STW UKENNW_UU_TP000050 298,594 population equivalent (p.e.) 2018 PEACEHAVEN WASTEWATER TREATMENT WKS UKENSO_SW_TP000126 295,932 population equivalent (p.e.) 2018 STOURBRIDGE & HALESOWEN STW UKENMI_ST_TP000180 290,000 population equivalent (p.e.) 2018 BURY STW UKENNW_UU_TP000026 276,925 population equivalent (p.e.) 2018 HENDON STW UKENNE_NU_TP000028 275,000 population equivalent (p.e.) 2018 FAREHAM AND GOSPORT, HAMBLE, HEDGE END (PEEL COMMON) STW" UKENSO_SW_TP000008 269,373 population equivalent (p.e.) 2018 PRESTON (CLIFTON MARSH) STW UKENNW_UU_TP000102 261,203 population equivalent (p.e.) 2018 CHATHAM AND GILLINGHAM STW UKENSO_SW_TP000025 261,120 population equivalent (p.e.) 2018 TAY PFI - HATTON WWTW UKSC_TP00185 250,433 population equivalent (p.e.) 2018 DALDOWIE S.T.W. UKSC_TP00049 250,000 population equivalent (p.e.) 2018 LAIGHPARK S.T.W. UKSC_TP00115 240,000 population equivalent (p.e.) 2018 SWINDON, RODBOURNE, SWINDON, WI STW" UKENTH_TWU_TP000139 240,000 population equivalent (p.e.) 2018 BIRMINGHAM EAST (COLESHILL) STW UKENMI_ST_TP000062 240,000 population equivalent (p.e.) 2018 SLOUGH, WOOD STW" UKENTH_TWU_TP000133 239,901 population equivalent (p.e.) 2018 WELLINGBOROUGH STW UKENAN_AW_TP000037 235,641 population equivalent (p.e.) 2018 CARDIFF (WEST) AND BARRY (COG MOORS) UKWAWA_WW_TP000025 227,740 population equivalent (p.e.) 2018 SOUTHEND SEWAGE WORKS, SOUTHEND ON" UKENAN_AW_TP000307 223,031 population equivalent (p.e.) 2018 ROCHDALE STW UKENNW_UU_TP000103 216,283 population equivalent (p.e.) 2018 OXFORD STW UKENTH_TWU_TP000159 215,546 population equivalent (p.e.) 2018 POOLE STW UKENSW_WXW_TP000064 215,050 population equivalent (p.e.) 2018 PETERBOROUGH STW UKENAN_AW_TP000210 213,262 population equivalent (p.e.) 2018 GLOUCESTER NetheridgeSTW UKENMI_ST_TP000099 210,000 population equivalent (p.e.) 2018 BIRMINGHAM & BLACK COUNTRY NO. 3 (WILLENHALL) STW UKENMI_ST_TP000176 210,000 population equivalent (p.e.) 2018 NORTH LIVERPOOL( Fazakerley) STW UKENNW_UU_TP000049 201,093 population equivalent (p.e.) 2018 CAMBRIDGE STW UKENAN_AW_TP000050 200,000 population equivalent (p.e.) 2018 SWANSEA STW UKWAWA_WW_TP000074 198,058 population equivalent (p.e.) 2018 YORK (NABURN) STW UKENNE_YW_TP000029 197,032 population equivalent (p.e.) 2018 BEDFORD STW UKENAN_AW_TP000016 197,000 population equivalent (p.e.) 2018 HALIFAX STW UKENNE_YW_TP000086 195,098 population equivalent (p.e.) 2018 TORQUAY/ PAIGNTON/ BRIXHAM ) STW UKENSW_SWS_TP000075 194,378 population equivalent (p.e.) 2018 STOCKPORT STW UKENNW_UU_TP000116 194,071 population equivalent (p.e.) 2018 ARDOCH S.T.W. UKSC_TP00012 191,300 population equivalent (p.e.) 2018 BOURNEMOUTH (HOLDENHURST) STW UKENSW_WXW_TP000038 187,143 population equivalent (p.e.) 2018 LITTLE MARLOW STW UKENTH_TWU_TP000100 184,812 population equivalent (p.e.) 2018 BIRKENHEAD AND WALLASEY STW UKENNW_UU_TP000017 182,337 population equivalent (p.e.) 2018 HARTLEPOOL STW UKENNE_NU_TP000046 181,792 population equivalent (p.e.) 2018 BRIDGEND STW UKWAWA_WW_TP000041 176,619 population equivalent (p.e.) 2018 OLDHAM STW UKENNW_UU_TP000098 173,205 population equivalent (p.e.) 2018 KINGS LYNN STW UKENAN_AW_TP000154 172,000 population equivalent (p.e.) 2018 HIGH WYCOMBE STW UKENTH_TWU_TP000081 171,919 population equivalent (p.e.) 2018 WOLVERHAMPTON (BARNHURST) STW UKENMI_ST_TP000018 170,000 population equivalent (p.e.) 2018 GREAT YARMOUTH (CAISTER) STW UKENAN_AW_TP000115 170,000 population equivalent (p.e.) 2018 LONDON (Crawley STW) UKENTH_TWU_TP000050 169,024 population equivalent (p.e.) 2018 LUTON STW UKENTH_TWU_TP000103 167,513 population equivalent (p.e.) 2018 EXETER STW UKENSW_SWS_TP000023 166,837 population equivalent (p.e.) 2018 WISBECH WEST WALTON STW UKENAN_AW_TP000293 165,098 population equivalent (p.e.) 2018 CHELMSFORD STW UKENAN_AW_TP000055 163,311 population equivalent (p.e.) 2018 GRIMSBY STW UKENAN_AW_TP000116 155,551 population equivalent (p.e.) 2018 BROMBOROUGH STW UKENNW_UU_TP000023 154,805 population equivalent (p.e.) 2018 CORBY STW UKENAN_AW_TP000067 152,000 population equivalent (p.e.) 2018