Gill Beck Guisley from Source to River Aire Water Body

Moderate ecological status

Viewing latest data (Updated on 01 February 2022). Switch to draft river basin management plan data

Attributes

  • Water Body IDGB104027062910
  • Water Body TypeRiver
  • Hydromorphological designationheavily modified
  • NGRSE1925240540
  • Surveillance Water BodyNo
  • Length4.512 km
  • Catchment area14.408 km2
  • Catchment area1440.83 ha

Classifications

Classification Item20132014201520162019
EcologicalModerateModerateModerateModerateModerate
Biological quality elementsPoorPoorPoorModerate
InvertebratesPoorPoorPoorModerate
Macrophytes and Phytobenthos CombinedGoodGoodGoodGood
Physico-chemical quality elementsModerateModerateModerate
Ammonia (Phys-Chem)HighHighHigh
Dissolved oxygenHighHighHigh
PhosphateModeratePoorPoor
TemperatureHighHighHigh
pHHighHighHigh
Hydromorphological Supporting ElementsSupports goodSupports goodSupports goodSupports goodSupports good
Hydrological RegimeSupports goodSupports goodSupports goodSupports goodSupports good
Supporting elements (Surface Water)ModerateModerateModerateModerateModerate
Mitigation Measures AssessmentModerate or lessModerate or lessModerate or lessModerate or lessModerate or less
Specific pollutantsModerateModerateHighHighHigh
CopperHighHighHighHighHigh
IronHighHigh
ManganeseHighHigh
TriclosanModerateModerateHighHighHigh
ZincHighHighHighHighHigh
ChemicalFailFailGoodGoodFail
Priority hazardous substancesFailFailGoodGoodFail
Benzo(a)pyreneGood
Cadmium and Its CompoundsFailFailGoodGoodGood
Di(2-ethylhexyl)phthalate (Priority hazardous)GoodGood
Dioxins and dioxin-like compoundsGood
Heptachlor and cis-Heptachlor epoxideGood
Hexabromocyclododecane (HBCDD)Good
HexachlorobenzeneGood
HexachlorobutadieneGood
Mercury and Its CompoundsFail
NonylphenolFailFailGoodGood
Perfluorooctane sulphonate (PFOS)Fail
Polybrominated diphenyl ethers (PBDE)Fail
Tributyltin CompoundsGoodGood
Priority substancesGoodGoodGoodGoodGood
Cypermethrin (Priority hazardous)Good
FluorantheneGood
Lead and Its CompoundsGoodGoodGoodGoodGood
Nickel and Its CompoundsGoodGoodGoodGoodGood
Other PollutantsDoes not require assessmentDoes not require assessmentDoes not require assessmentDoes not require assessmentDoes not require assessment

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
RNAGUnknown (pending investigation)Unknown (pending investigation)Sector under investigationPerfluorooctane sulphonate (PFOS)Details
RNAGPoint sourceSewage discharge (intermittent)Water IndustryPhosphateDetails
RNAGMeasures delivered to address Reason, awaiting classificationNot applicableNo sector responsiblePolybrominated diphenyl ethers (PBDE)Details
RNAGMeasures delivered to address Reason, awaiting classificationNot applicableNo sector responsibleMercury and Its CompoundsDetails
RNAGPhysical modificationUrbanisation - urban developmentUrban and transportInvertebratesDetails
RNAGPhysical modificationOther (not in list, must add details in comments)Urban and transportMitigation Measures AssessmentDetails

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 transport2000000
Water Industry0000000
Local & central government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total2000000

Objectives

Classification ItemStatusYearReasons
EcologicalModerate2015Disproportionately expensive: Disproportionate burdens;
Disproportionately expensive: Unfavourable balance of costs and benefits
Biological quality elementsGood2027Disproportionately expensive: Disproportionate burdens
InvertebratesGood2027Disproportionately expensive: Disproportionate burdens
Macrophytes and Phytobenthos CombinedGood2015
Physico-chemical quality elementsModerate2015Disproportionately expensive: Unfavourable balance of costs and benefits
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateModerate2015Disproportionately expensive: Unfavourable balance of costs and benefits
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsSupports good2015
Hydrological RegimeSupports good2015
Supporting elements (Surface Water)Good2027Disproportionately expensive: Disproportionate burdens
Mitigation Measures AssessmentGood2027Disproportionately expensive: Disproportionate burdens
Specific pollutantsHigh2015
CopperHigh2015
TriclosanHigh2015
ZincHigh2015
ChemicalGood2015
Priority hazardous substancesGood2015
Cadmium and Its CompoundsGood2015
Priority substancesGood2015
Lead and Its CompoundsGood2015
Nickel and Its CompoundsGood2015
Other PollutantsDoes not require assessment2015

Protected areas

No data to show

Upstream water bodies