HydrionisGlobal Water Intelligence
Monitoring network

England monitoring network

Hydrionis holds continuous records from 10,400 monitoring locations in England, the earliest opening in 1836.

10,400 locations1836–2026
10,400
Monitoring locations
1,851,466
Observations held
1836–2026
Record span
3
Kinds of measurement

Where the network is

England monitoring network
9,635 sampling and rain gauges · 409 observation boreholes · 356 river gauges
England monitoring network400 locations, each labelled individually.Fish survey site 4788, East Anglia — Sampling and rain gauge, 1984–1997Fish survey site 4823, East Anglia — Sampling and rain gauge, 1990–2024Fish survey site 4826, East Anglia — Sampling and rain gauge, 1990–2024Fish survey site 4786, East Anglia — Sampling and rain gauge, 1992–2019Fish survey site 4623, East Anglia — Sampling and rain gauge, 1994–2024Fish survey site 4556, East Anglia — Sampling and rain gauge, 1988–2026Fish survey site 812, East Anglia — Sampling and rain gauge, 1987–2023Fish survey site 894, East Anglia — Sampling and rain gauge, 1983–2013Fish survey site 869, East Anglia — Sampling and rain gauge, 1983–2025Fish survey site 896, East Anglia — Sampling and rain gauge, 1983–2002Fish survey site 788, East Anglia — Sampling and rain gauge, 1984–2026Fish survey site 919, East Anglia — Sampling and rain gauge, 1984–1999Fish survey site 745, East Anglia — Sampling and rain gauge, 1981–2026Fish survey site 692, East Anglia — Sampling and rain gauge, 1994–2025Fish survey site 716, East Anglia — Sampling and rain gauge, 1985–2009Fish survey site 1695, East Anglia — Sampling and rain gauge, 1988–2025Fish survey site 1743, East Anglia — Sampling and rain gauge, 1989–2024Fish survey site 1480, East Anglia — Sampling and rain gauge, 1986–2024Fish survey site 1472, East Anglia — Sampling and rain gauge, 1986–2003Fish survey site 6043, Lincolnshire and Northamptonshire — Sampling and rain gauge, 1989–2009Fish survey site 6170, Lincolnshire and Northamptonshire — Sampling and rain gauge, 1990–2017Fish survey site 6613, Lincolnshire and Northamptonshire — Sampling and rain gauge, 1989–2009Fish survey site 6703, Lincolnshire and Northamptonshire — Sampling and rain gauge, 1987–2025Fish survey site 7138, West Midlands — Sampling and rain gauge, 1985–2009Fish survey site 3790, West Midlands — Sampling and rain gauge, 1984–2009Fish survey site 230, West Midlands — Sampling and rain gauge, 1991–2006Fish survey site 3567, East Midlands — Sampling and rain gauge, 1996–2018Fish survey site 3682, East Midlands — Sampling and rain gauge, 1991–2017Fish survey site 1295, West Midlands — Sampling and rain gauge, 1992–2008Fish survey site 1165, West Midlands — Sampling and rain gauge, 1993–2025Fish survey site 1174, West Midlands — Sampling and rain gauge, 1992–2015Fish survey site 5793, West Midlands — Sampling and rain gauge, 1981–2022Fish survey site 15837, West Midlands — Sampling and rain gauge, 2010–2026Fish survey site 38268, Yorkshire — Sampling and rain gauge, 2013–2021Fish survey site 12005, Yorkshire — Sampling and rain gauge, 2000–2007Fish survey site 3850, Yorkshire — Sampling and rain gauge, 2001–2025Fish survey site 14126, Yorkshire — Sampling and rain gauge, 2002–2009Fish survey site 7064, Yorkshire — Sampling and rain gauge, 2001–2006Fish survey site 8132, Cumbria and Lancashire — Sampling and rain gauge, 1983–2010Fish survey site 11800, Cumbria and Lancashire — Sampling and rain gauge, 1981–1985Fish survey site 4094, Cumbria and Lancashire — Sampling and rain gauge, 2010–2024Fish survey site 4030, Cumbria and Lancashire — Sampling and rain gauge, 2001–2007Fish survey site 11433, Cumbria and Lancashire — Sampling and rain gauge, 2010–2024Fish survey site 5165, Cumbria and Lancashire — Sampling and rain gauge, 2002–2012Fish survey site 5787, Greater Manchester Merseyside and Cheshire — Sampling and rain gauge, 2002–2010Fish survey site 6348, Greater Manchester Merseyside and Cheshire — Sampling and rain gauge, 1997–2023Fish survey site 5785, Greater Manchester Merseyside and Cheshire — Sampling and rain gauge, 2001–2006Fish survey site 8438, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1977–2006Fish survey site 8450, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1977–2003Fish survey site 10663, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1992–2006Fish survey site 7504, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1983–2006Fish survey site 9203, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1997–2023Fish survey site 9255, Devon and Cornwall and the Isles of Scilly — Sampling and rain gauge, 1997–2006Fish survey site 7339, Wessex — Sampling and rain gauge, 1978–2004Fish survey site 10581, Wessex — Sampling and rain gauge, 2003–2009Fish survey site 11338, Wessex — Sampling and rain gauge, 2003–2025Fish survey site 34268, Kent, South London and East Sussex — Sampling and rain gauge, 2009–2024Fish survey site 2572, Kent, South London and East Sussex — Sampling and rain gauge, 2001–2025Fish survey site 28260, Solent and South Downs — Sampling and rain gauge, 2007–2018Fish survey site 8463, Solent and South Downs — Sampling and rain gauge, 1997–2024Fish survey site 26480, Solent and South Downs — Sampling and rain gauge, 2007–2024Fish survey site 6312, Solent and South Downs — Sampling and rain gauge, 2002–2006Fish survey site 10253, Hertfordshire and North London — Sampling and rain gauge, 1998–2015Fish survey site 11364, Hertfordshire and North London — Sampling and rain gauge, 2002–2016Fish survey site 7705, Hertfordshire and North London — Sampling and rain gauge, 2003–2026Fish survey site 32589, Kent, South London and East Sussex — Sampling and rain gauge, 2011–2025Fish survey site 12531, Thames — Sampling and rain gauge, 2005–2010Fish survey site 30084, Thames — Sampling and rain gauge, 1993–2024Fish survey site 10637, Thames — Sampling and rain gauge, 2003–2025Fish survey site 8582, Thames — Sampling and rain gauge, 2001–2015BROUGHTON BROOK — Sampling and rain gauge, 1985–2019CRANBROOK DRAIN — Sampling and rain gauge, 1995–2013GT RAVELEY DRAIN — Sampling and rain gauge, 1990–2023LARK — Sampling and rain gauge, 1984–2025NAR — Sampling and rain gauge, 1986–2020OUSE (OUZEL) — Sampling and rain gauge, 1984–2009RHEE — Sampling and rain gauge, 1984–2021TOVE — Sampling and rain gauge, 1987–2015WRETHAM PARK SPRING STREAM — Sampling and rain gauge, 1986–2013BRETT — Sampling and rain gauge, 1986–2026COLNE — Sampling and rain gauge, 1986–2012GUNTHORPE STREAM — Sampling and rain gauge, 1989–2014ORE — Sampling and rain gauge, 1989–2013STOUR (ANG) — Sampling and rain gauge, 1986–2018WAVENEY — Sampling and rain gauge, 1989–2025ANCHOLME — Sampling and rain gauge, 1986–2025BURLANDS BECK — Sampling and rain gauge, 1987–2025GREAT EAU — Sampling and rain gauge, 1987–2026KETSBY BECK — Sampling and rain gauge, 1987–2026LYMN — Sampling and rain gauge, 1987–2026NEW CUT DRAIN — Sampling and rain gauge, 1986–2016SLADE BROOK — Sampling and rain gauge, 1989–2014UPPER WITHAM — Sampling and rain gauge, 1987–2020WEST GLEN — Sampling and rain gauge, 1988–2025WOLDGRIFT DRAIN — Sampling and rain gauge, 1987–2020AVON (LS - ABOVE SOWE) — Sampling and rain gauge, 1994–2025BOBS/HOLBECHE BROOK — Sampling and rain gauge, 1990–2018COLE — Sampling and rain gauge, 1987–2012FINHAM BROOK — Sampling and rain gauge, 1985–2018HILTON BROOK — Sampling and rain gauge, 1985–2009MANIFOLD (DOVE (UPPER)) — Sampling and rain gauge, 1983–2025PICKFORD BROOK — Sampling and rain gauge, 2000–2021RIVER TRENT — Sampling and rain gauge, 1988–2014SNIBSTON BROOK — Sampling and rain gauge, 1986–2003TAME (UT - OLDBURY ARM) — Sampling and rain gauge, 1987–2012AMBER — Sampling and rain gauge, 1985–2022BOTTESFORD BECK — Sampling and rain gauge, 1985–2015CHESTERFIELD CANAL (RYTON) — Sampling and rain gauge, 1985–2008DEVON — Sampling and rain gauge, 1985–2016EREWASH — Sampling and rain gauge, 1985–2015GRACE DIEU BROOK — Sampling and rain gauge, 1985–2025KINGSTON BROOK — Sampling and rain gauge, 1989–2026MAUN — Sampling and rain gauge, 1985–2025NUT BROOK — Sampling and rain gauge, 1985–2025RAINWORTH WATER — Sampling and rain gauge, 1996–2025SEYMOUR DRAIN — Sampling and rain gauge, 1985–2025STAUNTON HAROLD BROOK — Sampling and rain gauge, 1985–2025TWYFORD BROOK — Sampling and rain gauge, 1988–2025WYE (LT) — Sampling and rain gauge, 1985–2015BOW BROOK — Sampling and rain gauge, 1989–2014CLUN — Sampling and rain gauge, 1990–2026GARREN BROOK — Sampling and rain gauge, 1990–2025LEADON — Sampling and rain gauge, 1990–2014NAILSWORTH STREAM — Sampling and rain gauge, 1990–2015RODEN — Sampling and rain gauge, 1988–2024SUGAR/SPADESBOURNE BROOK — Sampling and rain gauge, 1990–2016WHITSUN BROOK — Sampling and rain gauge, 1989–2015COQUET — Sampling and rain gauge, 1990–2015NORTH TYNE — Sampling and rain gauge, 1990–2025TEES — Sampling and rain gauge, 1990–2025WEAR — Sampling and rain gauge, 1990–2025BRADFORD BECK — Sampling and rain gauge, 1990–2023DERWENT (DALES) — Sampling and rain gauge, 1990–2019GRAINING WATER — Sampling and rain gauge, 1991–2025LOXLEY — Sampling and rain gauge, 1992–2023RIVELIN — Sampling and rain gauge, 1990–2026URE — Sampling and rain gauge, 1997–2013BRENNAND RIVER — Sampling and rain gauge, 1992–2017EDEN (NW NORTH) — Sampling and rain gauge, 1995–2025LIZA — Sampling and rain gauge, 1995–2021BAG BK — Sampling and rain gauge, 1986–2016CHANTERS BK — Sampling and rain gauge, 1986–2005DIBBINSDALE BK — Sampling and rain gauge, 1986–2016GOWY — Sampling and rain gauge, 1986–2019IRWELL — Sampling and rain gauge, 1987–2004MERSEY — Sampling and rain gauge, 1987–2012RED BK (DEAN) — Sampling and rain gauge, 1987–2006SUGAR BK — Sampling and rain gauge, 1986–2015WASH BROOK — Sampling and rain gauge, 1986–2013MEAVY — Sampling and rain gauge, 1990–2023WALKHAM — Sampling and rain gauge, 1990–2026LEMON — Sampling and rain gauge, 1990–2024BERE STREAM — Sampling and rain gauge, 1994–2025PIDDLE — Sampling and rain gauge, 1995–2018BREDE TRIB. 45 — Sampling and rain gauge, 1990–2014DOUR — Sampling and rain gauge, 1994–2023GREAT STOUR — Sampling and rain gauge, 1976–2025LITTLE STOUR (SO) — Sampling and rain gauge, 1972–2018TEISE — Sampling and rain gauge, 1989–2024BARTLEY WATER — Sampling and rain gauge, 1989–2024ITCHEN (SOUTHERN) — Sampling and rain gauge, 1978–2025PILLHILL BROOK — Sampling and rain gauge, 1989–2004BEANE — Sampling and rain gauge, 1999–2025GADE — Sampling and rain gauge, 1996–2025MIMRAM — Sampling and rain gauge, 1980–2026SILK STREAM — Sampling and rain gauge, 1985–2025BARKHAM BROOK — Sampling and rain gauge, 1990–2024MOLE (THAMES) — Sampling and rain gauge, 1990–2016WEY (SOUTH) — Sampling and rain gauge, 1990–2024KENNET — Sampling and rain gauge, 1990–2025WYE (THAMES — Sampling and rain gauge, 1989–2026River Cam at Dernford — River gauge, 1949–2026Hogsmill River at Kingston Hogsmill — River gauge, 1956–2026River Beult at Stilebridge — River gauge, 1958–2026River Greta at Rutherford Bridge — River gauge, 1960–2026River Mole at Gatwick Airport — River gauge, 1961–2024River Thet at Melford — River gauge, 1962–2026River Creedy at Cowley — River gauge, 1964–2026River Wye at Ashford — River gauge, 1965–2026River Ant at Honing Lock — River gauge, 1966–2026River Wyre at Garstang — River gauge, 1967–2026Eden Tributary Medway at Vexour Bridge — River gauge, 1968–2025River Darent at Lullingstone — River gauge, 1969–2026Harwood Beck at Harwood — River gauge, 1969–2026Dalton Estates — Observation borehole, 1889–2026Rockley — Observation borehole, 1933–2025Fawley Green — Observation borehole, 1955–2026Vernham Dean — Observation borehole, 1959–2026Harewood Forest — Observation borehole, 1962–2026Long Houses Bramdean — Observation borehole, 1963–2026Malthouse — Observation borehole, 1964–2026Normanhurst Tower — Observation borehole, 1965–2026East Stratton — Observation borehole, 1966–2026Birches — Observation borehole, 1966–2026Green Lane Cottages — Observation borehole, 2003–2026Meridian — Observation borehole, 1967–2026Dial Farm — Observation borehole, 1968–2026Lordship Stud — Observation borehole, 1991–2026Holmewood Grange — Observation borehole, 1969–2026Oxton — Observation borehole, 1969–2026R.CAM HINXTON BRIDGE — Sampling and rain gauge, 2000–2018R.BRETT HIGHAM BR. — Sampling and rain gauge, 2000–2019R.RASE BISHOPS BRIDGE — Sampling and rain gauge, 2000–2025RIVER SEVERN (UPPER) KEMPSEY (MID) — Sampling and rain gauge, 2000–2019RIVER LEADON STEENS BRIDGE — Sampling and rain gauge, 2000–2009HYDE BROOK DS BROCKHAMPTON STW — Sampling and rain gauge, 2000–2014STOUR RIVER CLIFFORD CHAMBERS — Sampling and rain gauge, 2000–2024FINHAM BROOK FINHAM BRIDGE — Sampling and rain gauge, 2000–2019RIVER REA AT PRESCOTT — Sampling and rain gauge, 2000–2019RIVER TERN EAST ARM AT ATTINGHAM HALL, ATCHAM, SHREWSBURY — Sampling and rain gauge, 2000–2025RIVER PERRY AT HALSTON HALL ENTRANCE — Sampling and rain gauge, 2000–2025RIVER TORNE AT TUNNEL PITS FARM — Sampling and rain gauge, 2000–2025RAINWORTH WATER AT ROBIN DAM BRIDGE — Sampling and rain gauge, 2000–2025LOCKINGTON BROOK AT LOCKINGTON MARSHES — Sampling and rain gauge, 2000–2025RIVER DERWENT AT RAYNESWAY — Sampling and rain gauge, 2000–2025RIVER WYE AT KINGSTERNDALE — Sampling and rain gauge, 2000–2016RIVER CHURNET - BRIDGEND LEEK — Sampling and rain gauge, 2000–2009RIVER TAME - AT WATER ORTON — Sampling and rain gauge, 2000–2024RIVER COLE - STECHFORD BRIDGE — Sampling and rain gauge, 2000–2019MEECE BROOK - HALFHEAD — Sampling and rain gauge, 2000–2024EGLINGHAM BURN AT SHIPLEY MOOR — Sampling and rain gauge, 2000–2019WANSBECK JUST UPSTREAM MORPETH STW — Sampling and rain gauge, 2000–2021NORTH TYNE AT BELLINGHAM — Sampling and rain gauge, 2000–2025DERWENT AT SHOTLEY BRIDGE — Sampling and rain gauge, 2000–2013LINBURN BECK AT WITTON CASTLE — Sampling and rain gauge, 2000–2021BROUGHTON BK.BROUGHTON GAUGE — Sampling and rain gauge, 2000–2024MILLBRIDGE BK.TRIB.IVEL SUTTON FORD — Sampling and rain gauge, 2000–2018R.CAM GREEN DRAGON FT.BR.CHESTERTON — Sampling and rain gauge, 2000–2023SAPISTON R. BULL BRIDGE PAKENHAM — Sampling and rain gauge, 2000–2016COUNTERDRAIN OLD BEDFORD SLUICE — Sampling and rain gauge, 2000–2023BROWNEY AT STONEBRIDGE — Sampling and rain gauge, 2000–2019SHERBURN HOUSE BECK AT SHERBURN HOUSE HOSPITAL — Sampling and rain gauge, 2000–2019TEES AT LOW WORSALL — Sampling and rain gauge, 2000–2025MURK ESK AT GROSMONT — Sampling and rain gauge, 2000–2019OUSE AT BOOTHFERRY BRIDGE — Sampling and rain gauge, 2000–2021GT.RAVELEY DRN.WOOD WALTON FEN SLUICE — Sampling and rain gauge, 2000–2025R.ANT SWAFIELD BRIDGE — Sampling and rain gauge, 2000–2014BRAMPTON BRANCH R.NENE BRIXWORTH-SPRATTN — Sampling and rain gauge, 2000–2025R.CROUCH MEMORIAL PARK WICKFORD — Sampling and rain gauge, 2000–2025HULL AT SUTTON ROAD BRIDGE — Sampling and rain gauge, 2000–2019WENT AT A19 ASKERN — Sampling and rain gauge, 2000–2019DOE LEA AT DOE LEA BRIDGE U/S BOLSOVER — Sampling and rain gauge, 2000–2019LOXLEY U/S DAMFLASK RESERVOIR — Sampling and rain gauge, 2000–2019HOBHOLE DRN.FREISTON BRIDGE BOTTOM — Sampling and rain gauge, 2000–2018R.NENE KISLINGBURY RD.BR. — Sampling and rain gauge, 2000–2025R.ISE GEDDINGTON A43 RD.BR. — Sampling and rain gauge, 2000–2017R.STOUR GT.WRATTING FORD — Sampling and rain gauge, 2000–2015SHEAF AT MILLHOUSES PARK — Sampling and rain gauge, 2000–2016AIRE AT BEAL BRIDGE — Sampling and rain gauge, 2000–2025WORTH AT KNOWLES PARK ROAD BRIDGE U/S NORTH BECK — Sampling and rain gauge, 2000–2019R.WID SHAKESTONS LANE — Sampling and rain gauge, 2000–2019WERRINGTON BK.CUCKOO HOLLOW LAKE INLET — Sampling and rain gauge, 2000–2025R.YARE COLDHAM HALL — Sampling and rain gauge, 2000–2021COLNE AT FOOTBRIDGE OFF ASHGROVE ROAD - SYNGENTA SITE — Sampling and rain gauge, 2000–2017DERWENT AT FORGE VALLEY — Sampling and rain gauge, 2000–2019RIFFA BECK AT WHARFE CONFLUENCE — Sampling and rain gauge, 2000–2021DARLEY BECK AT DARLEY — Sampling and rain gauge, 2000–2025RIVER CHELT BODDINGTON — Sampling and rain gauge, 2000–2025MILTON BROOK AT OSCROFT BRIDGE — Sampling and rain gauge, 2000–2013AUDLEY BROOK D/S OF AUDLEY WWTW — Sampling and rain gauge, 2000–2025RIVER CROCO AT SPOSTON HALL — Sampling and rain gauge, 2000–2025CROWTON BROOK NEAR MILL — Sampling and rain gauge, 2000–2025RIVER GOYT AT MARPLE BRIDGE — Sampling and rain gauge, 2000–2024IRWELL ABOVE COWPE BROOK — Sampling and rain gauge, 2000–2022DADDLE BROOK AT HAMPTON LOAD BROOK CONFLUENCE — Sampling and rain gauge, 2000–2019DEARDEN BROOK ABOVE CONFLUENCE WITH RIVER IRWELL — Sampling and rain gauge, 2000–2009CROAL MINOR ABOVE CONFLUENCE WITH RIVER TONGE — Sampling and rain gauge, 2000–2019ASTLEY BROOK PRIOR TO CONFLUENCE WITH MOSS BROOK — Sampling and rain gauge, 2000–2012BIRKIN BROOK U/S OF TATTON MERE STREAM — Sampling and rain gauge, 2000–2025HALEWOOD BROOK U/S DITTON BROOK — Sampling and rain gauge, 2000–2016FERRY DRAIN AT OWSTON FERRY — Sampling and rain gauge, 2000–2025THE BECK AT CROMWELL SPITTLE BRIDGE — Sampling and rain gauge, 2000–2025RIVER DOUGLAS ABOVE SCHOLES WEIR — Sampling and rain gauge, 2000–2025RATHMELL BROOK AT RATHMELL ROAD BRIDGE — Sampling and rain gauge, 2000–2025OGDEN CLOUGH AT BARLEY BRIDGE — Sampling and rain gauge, 2000–2019WATERSIDE BROOK PTC RIVER DARWEN — Sampling and rain gauge, 2000–2024RIVER WYRE PTC RIVER BROCK — Sampling and rain gauge, 2000–2025AUSTWICK BECK PTC RIVER WENNING — Sampling and rain gauge, 2000–2019POLSER BROOK AT HOE HILL BRIDGE AT NORMANTON — Sampling and rain gauge, 2000–2025KINGSTON BROOK AT WASE LEAKE — Sampling and rain gauge, 2000–2025EVINGTON BROOK AT SPINNEY HILL PARK — Sampling and rain gauge, 2000–2025MEATHOP MARSH DRAIN NEAR SUNNYSIDE COTTAGES — Sampling and rain gauge, 2000–2016NEWLAND BECK AT NEWLAND BOTTOM — Sampling and rain gauge, 2000–2015KIRK BECK AT BECKERMET — Sampling and rain gauge, 2000–2013DERWENT TRIB AT A66 — Sampling and rain gauge, 2000–2016CAUSEWAYHEAD BECK AT HARTLAW — Sampling and rain gauge, 2000–2025RIVER EAMONT AT EXIT FROM ULLSWATER — Sampling and rain gauge, 2000–2025RIVER PETTERIL AT SOUTHWAITE — Sampling and rain gauge, 2000–2013COAL BURN RAINWATER STATION — Sampling and rain gauge, 2000–2025BENTLEY BROOK AT MATLOCK — Sampling and rain gauge, 2000–2019SKETCHLEY BROOK - NUNEATON FIELDS FARM — Sampling and rain gauge, 2000–2017RIVER BEULT DOWNSTREAM SMARDEN SEWAGE WORKS AT HADMANS BRIDGE — Sampling and rain gauge, 2000–2023RIVER EDEN AT MILL FARM — Sampling and rain gauge, 2000–2012NORTH STREAM MUNICIPAL HOLIDAY CAMP ROAD — Sampling and rain gauge, 2000–2025SAREDON/WYRLEY/WASH BROOK - WEDGES MILL — Sampling and rain gauge, 2000–2021RIVER BREDE FERRY BRIDGE WINCHELSEA — Sampling and rain gauge, 2000–2022SOCKNERSH STREAM AT WILLARDS HILL — Sampling and rain gauge, 2000–2022RIVER CUCKMERE MICHELHAM PRIORY — Sampling and rain gauge, 2000–2025RIVER UCK AT HASTINGFORD BRIDGE — Sampling and rain gauge, 2000–2025RIVER ARUN AT BUCKS GREEN — Sampling and rain gauge, 2000–2025RIVER KIRD AT GREEN BRIDGE — Sampling and rain gauge, 2000–2021ALVER AT PRIVETT ROAD GOSPORT — Sampling and rain gauge, 2000–2016NUNS WALK STREAM AT ABBOTS BARTON — Sampling and rain gauge, 2000–2025TADBURN LAKE AT CRAMPMOOR — Sampling and rain gauge, 2000–2016AVON WATER AT ARNEWOOD MANOR — Sampling and rain gauge, 2000–2011HAMPSHIRE AVON AT STR SUB CASTLE — Sampling and rain gauge, 2000–2025RIVER EBBLE AT BROADCHALKE — Sampling and rain gauge, 2000–2013NORTH BOW BROOK AT TEMPLECOMBE — Sampling and rain gauge, 2000–2019RIVER PIDDLE AT TURNERSPUDDLE — Sampling and rain gauge, 2000–2019RIVER BRIT AT BRIDPORT — Sampling and rain gauge, 2000–2009R SHEPPEY CROSCOMBE VILLAGE — Sampling and rain gauge, 2000–2018R ALLER W LYNCH BR — Sampling and rain gauge, 2000–2025DRIMPTON STREAM AT NETHERHAY ABOVE DRIMPTON STW ALTERNATIVE HISTORIC DATA ON URN WSTW7576A — Sampling and rain gauge, 2000–2023RIVER CLYST AT A30 BRIDGE CLYST HONITON — Sampling and rain gauge, 2000–2013RIVER BARLE AT TARR STEPS — Sampling and rain gauge, 2000–2013BIDWELL BROOK AT DARTINGTON LODGE — Sampling and rain gauge, 2000–2015RIVER TORRIDGE AT ROCKHAY BRIDGE — Sampling and rain gauge, 2000–2025BRADIFORD WATER AT BLAKEWELL — Sampling and rain gauge, 2000–2021FARLEY WATER AT WATERSMEET — Sampling and rain gauge, 2000–2009RIVER TAMAR AT GUNNISLAKE BRIDGE — Sampling and rain gauge, 2000–2025PONT PILL AT TRETHAKE MILL — Sampling and rain gauge, 2000–2025RIVER FAL AT TREGONY GAUGING STATION — Sampling and rain gauge, 2000–2025ROSEMORRAN STREAM AT KENEGIE COTTAGE — Sampling and rain gauge, 2000–2013RIVER AMBLE AT CHAPEL AMBLE BRIDGE — Sampling and rain gauge, 2000–2024RIVER TAMAR UPSTREAM LOWER TAMAR LAKE — Sampling and rain gauge, 2000–2012FOOTBRIDGE U/S WEIR — Sampling and rain gauge, 2000–2019U/S CONFL. W/C. — Sampling and rain gauge, 2000–2023GREENHAM — Sampling and rain gauge, 2000–2023CREWKERNE ST EASTHAMS FM — Sampling and rain gauge, 2000–2025WEST FLEET STREAM AT FOOTBRIDGE — Sampling and rain gauge, 2004–2022A4 ROADBRIDGE — Sampling and rain gauge, 2000–2009SOUTH BROOK MELKSHAM — Sampling and rain gauge, 2000–2015BRINK. BK BRINKWORTH — Sampling and rain gauge, 2000–2023COLNE ABOVE THAMES — Sampling and rain gauge, 2000–2025COLN AT ROUNDHOUSE, LECHLADE — Sampling and rain gauge, 2000–2025SILK STREAM AT SILK BRIDGE, A5, HENDON — Sampling and rain gauge, 2000–2025CHESS AT CHENIES — Sampling and rain gauge, 2000–2013EVENLODE BELOW ASHFORD BRIDGE — Sampling and rain gauge, 2000–2025COVE BROOK ABOVE BLACKWATER — Sampling and rain gauge, 2000–2025LEE ABOVE LUTON HOO LAKES — Sampling and rain gauge, 2000–2025STORT AT ROYDON — Sampling and rain gauge, 2000–2025RODING AT ABRIDGE — Sampling and rain gauge, 2000–2025ASH ABOVE THAMES — Sampling and rain gauge, 2000–2025COLN AT WITHINGTON — Sampling and rain gauge, 2000–2016TILLINGBOURNE ABOVE TROUT FARM, ALBURY — Sampling and rain gauge, 2000–2016WISKE AT SOLBERGE — Sampling and rain gauge, 2004–2024CARR DYKE AT GASCOINE WOOD — Sampling and rain gauge, 2001–2024BUCKNALL CATCHWATER DRAIN — Sampling and rain gauge, 2011–2025WHILTON BRANCH OF NENE THRUPP LODGE — Sampling and rain gauge, 2011–2024RIVER GOWY AT TRAFFORD BRIDGE — Sampling and rain gauge, 2011–2024CLAXTON BECK AT CLAXTON BRIDGE — Sampling and rain gauge, 2013–2025OLD BEDFORD R. SUTTON GAULT — Sampling and rain gauge, 2000–2013SMEETH LODE IDS PUMPING STATION — Sampling and rain gauge, 2000–2009R.CHELMER LANGLEYS BRIDGE — Sampling and rain gauge, 2000–2024HAMMOND BECK 200M D/S SWINESHEAD STW — Sampling and rain gauge, 2000–2019SLADE BK.FURNACE LANE BR.KETTERING — Sampling and rain gauge, 2000–2019WILLOW BK.BULWICK A43 RD.BR. — Sampling and rain gauge, 2000–2012RIVER CHELT PRINCESS ELIZABETH WAY — Sampling and rain gauge, 2000–2025NOLEHAM BROOK WELFORD PASTURES — Sampling and rain gauge, 2000–2024RIPPLE BROOK - BOW BRIDGE — Sampling and rain gauge, 2000–2019NUNN BROOK D/S CHESTERTON ROAD NR PATTINGHAM — Sampling and rain gauge, 2000–2019WOODHOUSE SEWER - FORES DRAIN AT NUTWELL — Sampling and rain gauge, 2000–2025BAKER LANE BROOK AT CONFLUENCE WITH RIVER LEEN — Sampling and rain gauge, 2000–2019WESTWOOD BROOK UPSTREAM OF MORTON MINEWATER — Sampling and rain gauge, 2000–2024KINGSHURST BROOK (HATCHFORD BROOK) — Sampling and rain gauge, 2000–2019MISC RIVER SAMPLE NORTH CUMBRIA — Sampling and rain gauge, 2000–2025G.U.C. AT A40, DENHAM — Sampling and rain gauge, 2000–2014KENNET AND AVON CANAL AT UFTON BRIDGE — Sampling and rain gauge, 2000–2013STOKE BROOK ABOVE BEAR BROOK — Sampling and rain gauge, 2000–2025THAMES AT EYSEY — Sampling and rain gauge, 2000–2019OLD BECK DOCTORS LANE — Sampling and rain gauge, 2012–2024WICKSTERS BROOK A38 RD BRIDGE — Sampling and rain gauge, 2000–2013SKERNE AT SOUTH PARK DARLINGTON — Sampling and rain gauge, 2000–2024RIVER BOVEY AT TWINYEO FARM — Sampling and rain gauge, 2000–2019RIVER ALPORT UPSTREAM OF RIVER ASHOP — Sampling and rain gauge, 2000–2024WEAR AT WEST BLACKDENE — Sampling and rain gauge, 2000–2019EASINGTON BROOK PTC RIVER HODDER — Sampling and rain gauge, 2000–2015FUSEDALE BECK AT HOWTOWN ROAD BRIDGE — Sampling and rain gauge, 2000–2016HOLLOCOMBE WATER AT BRIDGE REEVE — Sampling and rain gauge, 2000–2013R.THURNE HORSEY MILL PUMP — Sampling and rain gauge, 2001–2025RIVER IDLE (MAUN) - AT MARKHAM MOOR — Sampling and rain gauge, 2000–2019SALTBURN GILL D/S SALTBURN PUMPING STATION OUTFALL — Sampling and rain gauge, 2013–2023RAINS BROOK A45 DUNCHURCH — Sampling and rain gauge, 2000–2019SPITTAL/RISING BROOK - AT SAINT LEONARDS AVENUE, DOWNSTREAM ALSTOM (FORMERLY GEC) — Sampling and rain gauge, 2000–2019DOWNSTREAM TONBRIDGE POSTERN LANE BOTANY STREAM — Sampling and rain gauge, 2000–2023RED RIVER AT ROSEWARNE FARM — Sampling and rain gauge, 2000–2025HAINING BURN AT WOODEND BRIDGE — Sampling and rain gauge, 2010–2025SILLS BURN AT A68 ROAD — Sampling and rain gauge, 2000–2025SAUNTON SANDS - STREAM AT CARPARK (BEACH SURVEY) — Sampling and rain gauge, 2000–2011CHAPELS BECK D/S KIRKBY HALL — Sampling and rain gauge, 2000–2017MINSTERLEY BROOK - SITE 1 GRAVELS SURVEY D/S WOOD ADIT AT BRIDGE — Sampling and rain gauge, 2000–2013MOTHER DRAIN AT BRITISH ROPES — Sampling and rain gauge, 2011–2025HOOTON DYKE UPSTREAM OF SLADE HOOTON SEWAGE TREATMENT WORKS — Sampling and rain gauge, 2000–2017SUGDEN BECK AT A58 - CHAIN BAR J26 INTERSECTION — Sampling and rain gauge, 2000–2009RIVER ADUR (EAST) AT FOOTBRIDGE ABOVE BURGESS HILL SEWAGE WORKS — Sampling and rain gauge, 2000–2010ELVASTON BROOK AT AMBASTON LANE BRIDGE — Sampling and rain gauge, 2008–2019HOLLACOMBE LANDFILL SITE DANGEROUS SUBSTANCES — Sampling and rain gauge, 2002–2011DERWENT 400M D/S CONSETT STW OUTFALL — Sampling and rain gauge, 2010–2019LEADON RIVER LONG BRIDGE DYMOCK — Sampling and rain gauge, 2000–2014SPT FOR MISCELLANEOUS SURFACE WATER DISCHARGES IN DISTRICT 7 — Sampling and rain gauge, 2000–2012
400 of 10,400 locations drawn, sampled evenly across the network so the map stays a reasonable size and still shows where coverage is dense and where it is thin. Every location is held in full and reachable through the data.

What is measured

MeasurementLocationsValues held
Mean monthly river flow356238,679
Groundwater level782189,904
EPT family richness2,613117,866
WHPT average score per taxon2,613117,866
WHPT number of scoring taxa2,613117,866
Proportion of sediment-sensitive invertebrates2,613117,804
LIFE flow index (family level)2,613117,529
pH4,63770,603
Water temperature4,63370,353
Dissolved oxygen saturation4,47067,187
Total oxidised nitrogen as N4,50266,845
Dissolved oxygen4,24462,455
Nitrate as nitrogen3,92356,632
Orthophosphate as phosphorus3,87756,553
Nitrite as nitrogen3,57653,786
Ammoniacal nitrogen3,00343,802
Copper, dissolved2,23431,071
Alkalinity2,34730,031
Suspended solids at 105 °C2,07528,328
Chloride in river water1,35320,668
Electrical conductivity1,58620,623
Biochemical oxygen demand (5 day, ATU)1,29117,129
Mean river flow35517,060
Atlantic salmon density1,80816,518
Brown and sea trout density1,80816,518
European eel density1,80816,518
Iron, dissolved5659,019
Total phosphorus as P3426,254
Turbidity3735,815
Dissolved organic carbon3595,319
Zinc, dissolved3325,025
Nickel, dissolved3354,693
Manganese, dissolved1282,412
Lead, dissolved1532,073
Arsenic, dissolved1001,659
Sodium, dissolved1361,627
Cadmium, dissolved1251,613
Potassium, dissolved1351,612
Sulphate in river water1071,267
Calcium, dissolved921,239
Chromium, dissolved801,158
Magnesium, dissolved70977
Aluminium, dissolved22305
Mercury, dissolved227

What kind of place is monitored

KindLocations
Sampling and rain gauges9,635
Observation boreholes409
River gauges356

Elsewhere

All networks · the underlying series are published through the dataset catalogue and the static API.

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