Allen Water Body Moderate ecological status
Attributes Water Body ID GB108049007050 Water Body Type River Hydromorphological designation not designated artificial or heavily modified NGR SX0714580797 Catchment area 52.458 km2 Natural England Revised WB Protected Area targets http://publications.naturalengland.org.uk/publication/5691840586055680 Surveillance Water Body No Length 24.357 km Catchment area 5245.838 ha Classifications Classification Item 2019 Ecological Moderate Biological quality elements Moderate Fish Good Invertebrates High Macrophytes and Phytobenthos Combined Moderate Phytobenthos Sub Element Moderate Physico-chemical quality elements Good Ammonia (Phys-Chem) High Dissolved oxygen High Phosphate Good Temperature High pH High Hydromorphological Supporting Elements Supports good Hydrological Regime High Morphology Supports good Chemical Fail Priority hazardous substances Fail Benzo(a)pyrene Good Dioxins and dioxin-like compounds Good Heptachlor and cis-Heptachlor epoxide Good Hexabromocyclododecane (HBCDD) Good Hexachlorobenzene Good Hexachlorobutadiene Good Mercury and Its Compounds Fail Perfluorooctane sulphonate (PFOS) Good Polybrominated diphenyl ethers (PBDE) Fail Priority substances Good Cypermethrin (Priority) Good Fluoranthene Good Other Pollutants Does not require assessment
Why do all water bodies have a chemical status of fail?
Investigations into classification status Classification Element Cycle Year Status Outcome Macrophytes and Phytobenthos Combined 2 2013 Moderate Uncertain there is a problem Copper 2 2013 Moderate Uncertain there is a problem
Reasons for not achieving good (RNAG) and reasons for deterioration (RFD) All reasons (RFDs and RNAGs) attributed to the classification elements in
this water body.
Reason Type SWMI Activity Category Classification Element More information RNAG Point source Farm/site infrastructure Agriculture and rural land management Macrophytes and Phytobenthos Combined Details RNAG Diffuse source Poor nutrient management Agriculture and rural land management Macrophytes and Phytobenthos Combined Details RNAG Diffuse source Poor Livestock Management Agriculture and rural land management Macrophytes and Phytobenthos Combined Details RNAG Point source Sewage discharge (continuous) Water Industry Macrophytes and Phytobenthos Combined Details RNAG measures delivered to address reason, awaiting recovery Not applicable No sector responsible Polybrominated diphenyl ethers (PBDE) Details RNAG measures delivered to address reason, awaiting recovery Not applicable No sector responsible Mercury and Its Compounds Details
Reasons for not achieving good status by business sector The issues preventing waters reaching good status and the sectors
identified as contributing to them. The numbers in the table are
individual counts of the reasons for not achieving good status with a
confidence status of 'confirmed' and 'probable', where the latest
classification is less than good status. There may be more than one
reason in a single water body. Note, table does not include reasons for
deterioration.
Significant water management issue Physical modifications Pollution from waste water Pollution from towns, cities and transport Changes to the natural flow and level of water Invasive non-native species Pollution from rural areas Pollution from abandoned mines Agriculture and rural land management 0 0 0 0 0 2 0 Industry 0 0 0 0 0 0 0 Mining and quarrying 0 0 0 0 0 0 0 Navigation 0 0 0 0 0 0 0 Urban and transport 0 0 0 0 0 0 0 Water Industry 0 1 0 0 0 0 0 Local & central government 0 0 0 0 0 0 0 Domestic general public 0 0 0 0 0 0 0 Recreation 0 0 0 0 0 0 0 Waste treatment and disposal 0 0 0 0 0 0 0 Other 0 0 0 0 0 0 0 No sector responsible 0 0 0 0 0 0 0 Sector under investigation 0 0 0 0 0 0 0 Total 0 1 0 0 0 2 0
Objectives Classification Item Status Year Reasons Ecological Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Biological quality elements Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Fish Good 2015 Invertebrates Good 2015 Macrophytes and Phytobenthos Combined Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Physico-chemical quality elements Good 2015 Ammonia (Phys-Chem) Good 2015 Dissolved oxygen Good 2015 Phosphate Good 2015 Temperature Good 2015 pH Good 2015 Hydromorphological Supporting Elements Supports good 2015 Hydrological Regime Supports good 2015 Supporting elements (Surface Water) Not assessed 2015 Specific pollutants High 2015 Copper High 2015 Zinc High 2015 Chemical Good 2063 Natural conditions: Chemical status recovery time Priority hazardous substances Good 2063 Natural conditions: Chemical status recovery time Benzo(a)pyrene Good 2015 Cadmium and Its Compounds Good 2015 Dioxins and dioxin-like compounds Good 2015 Heptachlor and cis-Heptachlor epoxide Good 2015 Hexabromocyclododecane (HBCDD) Good 2015 Hexachlorobenzene Good 2015 Hexachlorobutadiene Good 2015 Mercury and Its Compounds Good 2040 Natural conditions: Chemical status recovery time Perfluorooctane sulphonate (PFOS) Good 2015 Polybrominated diphenyl ethers (PBDE) Good 2063 Natural conditions: Chemical status recovery time Priority substances Good 2015 Cypermethrin (Priority) Good 2015 Fluoranthene Good 2015 Lead and Its Compounds Good 2015 Nickel and Its Compounds Good 2015 Other Pollutants Does not require assessment 2015
Protected areas PA Name Id Directive More information River Camel UK0030056 Special Area of Conservation Natural England
Monitoring sites which have been used to classify this water body Shows which sites were used for classification for which years within
each cycle.
Monitoring Site Cycle 1 Cycle 2 Cycle 3 RIVER ALLEN AT DINHAMS BRIDGE 82540124 2014 2019 2019 RIVER ALLEN AT KNIGHTSMILL BRIDGE 82540170 2014, 2013, 2009 2014, 2013, 2015, 2019, 2016 2019 CAMEL/ALLEN/MAIN ALLEN/U/S TREWEN/ 7323 2009 CAMEL/ALLEN/MAIN ALLEN/D/S KNIGHTSMILL/ 7325 2009 CAMEL/ALLEN/MAIN ALLEN/MUTLEY/ 39026 2014, 2012, 2013 10054 10054 2014, 2013, 2012, 2009 2014, 2015, 2013, 2016 CAMEL/ALLEN/MAIN ALLEN/TREHANNICK SAW MILL (CONTROL)/ 40572 2013 CAMEL/ALLEN/MAIN ALLEN/TREHANNICK/ 7328 2009, 2014, 2012, 2010, 2013, 2011 2019 2019 CAMEL/CROAN STREAM/CROAN/ 19294 2009, 2012, 2010, 2011 CAMEL/ALLEN/MAIN ALLEN/TREHANNICK SAW MILL (RESTORED)/ 40571 2013 10055 10055 2011, 2010, 2013, 2012, 2009, 2014 2014, 2013, 2016, 2015 CAMEL/ALLEN/MAIN ALLEN/LITTLEWOOD MILL/ 7331 2009, 2014, 2012, 2010, 2013, 2011 2019 2019 RIVER ALLEN AT SLADESBRIDGE 82540105 2014, 2010, 2013, 2011, 2012, 2009 2014, 2013, 2015 CAMEL/ALLEN/MAIN ALLEN/DINHAMS BRIDGE/ 7332 2009, 2014, 2012, 2010, 2013, 2011 CAMEL/ALLEN/MAIN ALLEN/TREVIA/ 7322 2009, 2012, 2010, 2011 10126 10126 2013, 2012, 2014 CAMEL/ALLEN/MAIN ALLEN/TREFORDA/ 7327 2009, 2012, 2010, 2013, 2011 2019 2019 CAMEL/ALLEN/TREWALDER STREAM/TREWALDER/ 7321 2009, 2014, 2012, 2010, 2013, 2011 CAMEL/ALLEN/MAIN ALLEN/LAMELLAN/ 7329 2009, 2014, 2012, 2010, 2013, 2011