Ogden Water Body Moderate ecological status
Attributes Water Body ID GB112069064650 Water Body Type River Hydromorphological designation heavily modified NGR SD7777021619 Catchment area 25.298 km2 Surveillance Water Body No Catchment area 2529.834 ha Length 14.742 km Classifications Classification Item 2019 2022 Ecological Moderate Moderate Biological quality elements Moderate Moderate Fish Moderate Moderate Invertebrates Good Good Physico-chemical quality elements Moderate Moderate Ammonia (Phys-Chem) High High Dissolved oxygen High High Phosphate Moderate Moderate Temperature High High pH High High Supporting elements (Surface Water) Moderate Moderate Mitigation Measures Assessment Moderate or less Moderate or less Chemical Fail Does not require assessment Priority hazardous substances Fail Does not require assessment 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 Does not require assessment Cypermethrin (Priority) Good Fluoranthene Good Other Pollutants Does not require assessment Does not require assessment
Why do all water bodies have a chemical status of fail?
Investigations into classification status No data to show
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 Diffuse source Poor nutrient management Agriculture and rural land management Phosphate Details RNAG Diffuse source Poor soil management Agriculture and rural land management Phosphate Details RNAG Diffuse source Poor Livestock Management Agriculture and rural land management Phosphate Details RNAG measures delivered to address reason, awaiting recovery Not applicable No sector responsible Mercury and Its Compounds Details RNAG measures delivered to address reason, awaiting recovery Not applicable No sector responsible Polybrominated diphenyl ethers (PBDE) Details RNAG Diffuse source Urbanisation - urban development Urban and transport Phosphate Details RNAG Diffuse source Riparian/in-river activities (inc bankside erosion) Agriculture and rural land management Phosphate Details RNAG Physical modification Other (not in list, must add details in comments) Urban and transport Mitigation Measures Assessment Details RNAG Physical modification Other (not in list, must add details in comments) Water Industry Mitigation Measures Assessment 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 0 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 1 0 0 0 0 0 0 Water Industry 1 0 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 2 0 0 0 0 0 0
Objectives Classification Item Status Year Reasons Ecological Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Biological quality elements Good 2015 Fish Good 2015 Invertebrates Good 2015 Physico-chemical quality elements Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Ammonia (Phys-Chem) Good 2015 Dissolved oxygen Good 2015 Phosphate Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Temperature Good 2015 pH Good 2015 Hydromorphological Supporting Elements Not assessed 2015 Supporting elements (Surface Water) Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Mitigation Measures Assessment Good 2027 - Low confidence Disproportionately expensive: Disproportionate burdens Specific pollutants Not assessed 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 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 Other Pollutants Does not require assessment 2015
Protected areas PA Name Id Directive More information Haslingden Grane SWSGZ3203 Safeguard Zone Wayoh SWSGZ3017 Safeguard Zone
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 MERSEY/IRWELL/OGDEN BROOK/IWOG04/ 21141 2009, 2010, 2011, 2012 2015, 2016, 2019 2022, 2019 ALDEN BROOK U/S R OGDEN 88002108 2011, 2012, 2010, 2009 67805 67805 2009 67830 67830 2009 68186 68186 2009 2015, 2016, 2014 160830 160830 2015, 2016 SWINNEL BROOK U/S R OGDEN 88002101 2011, 2012, 2010, 2009 2016, 2015 MERSEY/IRWELL/OGDEN BROOK/IWOG07/ 35471 2014, 2012 2015, 2016, 2014, 2019 2022, 2019 RIVER OGDEN ABOVE CONF WITH IRWELL 88002109 2010, 2011, 2009 2016, 2015 RIVER OGDEN U/S HOLDEN WOOD RESERVOIR 88002103 2009 MERSEY/IRWELL/OGDEN BROOK/IWOG02/ 35470 2014, 2012 2015, 2016, 2014, 2019 2022, 2019 MUSBURY BROOK ABOVE CONF WITH OGDEN 88002104 2011, 2014, 2012, 2010, 2009