Cowbridge Beck from Source to North Burn Water Body

Moderate ecological status

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Attributes

  • Water Body IDGB103025072380
  • Water Body TypeRiver
  • Hydromorphological designationnot designated artificial or heavily modified
  • NGRNZ4675325130
  • Catchment area13.421 km2
  • Surveillance Water BodyNo
  • Length4.64 km
  • Catchment area1342.06 ha

Classifications

Classification Item2019
EcologicalModerate
Biological quality elementsModerate
InvertebratesModerate
Macrophytes and Phytobenthos CombinedGood
Macrophytes Sub ElementGood
Physico-chemical quality elementsModerate
Ammonia (Phys-Chem)High
Dissolved oxygenGood
PhosphateModerate
TemperatureHigh
pHHigh
Hydromorphological Supporting ElementsSupports good
Hydrological RegimeSupports good
MorphologySupports good
Specific pollutantsHigh
TriclosanHigh
ChemicalFail
Priority hazardous substancesFail
Benzo(a)pyreneGood
Di(2-ethylhexyl)phthalate (Priority hazardous)Fail
Dioxins and dioxin-like compoundsGood
Heptachlor and cis-Heptachlor epoxideGood
Hexabromocyclododecane (HBCDD)Good
HexachlorobenzeneGood
HexachlorobutadieneGood
Mercury and Its CompoundsFail
NonylphenolGood
Perfluorooctane sulphonate (PFOS)Good
Polybrominated diphenyl ethers (PBDE)Fail
Priority substancesGood
Cypermethrin (Priority)Good
FluorantheneGood
Other PollutantsDoes 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 TypeSWMIActivityCategoryClassification ElementMore information
RNAGPoint sourceMisconnectionsWater IndustryInvertebratesDetails
RNAGmeasures delivered to address reason, awaiting recoveryNot applicableNo sector responsibleMercury and Its CompoundsDetails
RNAGUnknown (pending investigation)Unknown (pending investigation)Sector under investigationDi(2-ethylhexyl)phthalate (Priority hazardous)Details
RNAGPhysical modificationUrbanisation - urban developmentUrban and transportInvertebratesDetails
RNAGPoint sourceMisconnectionsWater IndustryPhosphateDetails
RNAGmeasures delivered to address reason, awaiting recoveryNot applicableNo sector responsiblePolybrominated diphenyl ethers (PBDE)Details
RNAGPoint sourceMisconnectionsWater IndustryInvertebratesDetails

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 issuePhysical modificationsPollution from waste waterPollution from towns, cities and transportChanges to the natural flow and level of waterInvasive non-native speciesPollution from rural areasPollution from abandoned mines
Agriculture and rural land management0000000
Industry0000000
Mining and quarrying0000000
Navigation0000000
Urban and transport1000000
Water Industry0020000
Local & central government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total1020000

Objectives

Classification ItemStatusYearReasons
EcologicalGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Biological quality elementsGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
InvertebratesGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Macrophytes and Phytobenthos CombinedGood2015
Physico-chemical quality elementsGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsSupports good2015
Hydrological RegimeSupports good2015
Supporting elements (Surface Water)Not assessed2015
Specific pollutantsHigh2015
TriclosanHigh2015
ChemicalGood2063Disproportionately expensive: Disproportionate burdens;
Natural conditions: Chemical status recovery time
Priority hazardous substancesGood2063Disproportionately expensive: Disproportionate burdens;
Natural conditions: Chemical status recovery time
Benzo(a)pyreneGood2015
Di(2-ethylhexyl)phthalate (Priority hazardous)Good2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Dioxins and dioxin-like compoundsGood2015
Heptachlor and cis-Heptachlor epoxideGood2015
Hexabromocyclododecane (HBCDD)Good2015
HexachlorobenzeneGood2015
HexachlorobutadieneGood2015
Mercury and Its CompoundsGood2040Natural conditions: Chemical status recovery time
NonylphenolGood2015
Perfluorooctane sulphonate (PFOS)Good2015
Polybrominated diphenyl ethers (PBDE)Good2063Natural conditions: Chemical status recovery time
Priority substancesGood2015
Cypermethrin (Priority)Good2015
FluorantheneGood2015
Other PollutantsDoes not require assessment2015

Protected areas

No data to show

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 SiteCycle 1Cycle 2Cycle 3
COWBRIDGE BECK U/S BILLINGHAM STW 454004862012, 2009, 2013, 20142015, 2016, 2019, 2013, 20142019
1929 19292012, 2013, 2014, 2011, 20092016, 2019, 2014, 20152019
COWBRIDGE BECK 200M D/S BILLINGHAM STW 454004872009
1350 13502014, 20092016, 2015, 2014

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