Rivacre Brook Water Body

Moderate ecological status

Viewing latest data (Updated on 14 September 2021). Switch to draft river basin management plan data

Attributes

  • Water Body IDGB112068060350
  • Water Body TypeRiver
  • Hydromorphological designationheavily modified
  • NGRSJ3799776108
  • Surveillance Water BodyNo
  • Length7.516 km
  • Catchment area15.374 km2
  • Catchment area1537.41 ha

Classifications

Classification Item20132014201520162019
EcologicalModerateModerateModerateModerateModerate
Biological quality elementsBadBadBad
InvertebratesBadBadBad
Macrophytes and Phytobenthos CombinedModerateModerateModerate
Physico-chemical quality elementsHighModerateModerateModerateModerate
Acid Neutralising CapacityHighHighHighHigh
Ammonia (Phys-Chem)GoodGoodModerateGood
Dissolved oxygenPoorGoodGoodHigh
PhosphatePoorPoorPoorPoor
TemperatureHighHighHighHigh
pHHighHighHighHighHigh
Hydromorphological Supporting ElementsSupports goodSupports goodSupports goodSupports goodSupports good
Hydrological RegimeDoes not support goodDoes not support goodSupports goodSupports goodSupports good
Supporting elements (Surface Water)ModerateModerateModerate
Mitigation Measures AssessmentModerate or lessModerate or lessModerate or less
Specific pollutantsModerateModerateHighHighHigh
Chromium (VI)High
CopperHighHighHighHighHigh
IronHighHighHigh
ManganeseHighHigh
TriclosanModerateModerateHighHighHigh
ZincHighHighHighHighHigh
ChemicalFailFailGoodGoodFail
Priority hazardous substancesFailFailGoodGoodFail
Benzo(a)pyreneGood
Benzo(b)fluorantheneGood
Benzo(g-h-i)peryleneFail
Benzo(k)fluorantheneGood
Cadmium and Its CompoundsFailGoodGoodGoodGood
Di(2-ethylhexyl)phthalate (Priority hazardous)FailFailGoodGoodGood
Dioxins and dioxin-like compoundsGood
Heptachlor and cis-Heptachlor epoxideGood
Hexabromocyclododecane (HBCDD)Good
HexachlorobenzeneGood
HexachlorobutadieneGood
Mercury and Its CompoundsFail
NonylphenolFailFailGoodGood
Perfluorooctane sulphonate (PFOS)Good
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

Classification ElementCycleYearStatusOutcome
Dissolved oxygen22016Good
Hydrological Regime22014Does Not Support Good
Hydrological Regime22013Does Not Support Good

Reasons for not achieving good (RNAG) and reasons for deterioration (RFD)

Reason TypeSWMIActivityCategoryClassification ElementMore information
RNAGPoint sourceTrade/Industry dischargeIndustryMacrophytes and Phytobenthos CombinedDetails
RNAGDiffuse sourceUnknown (pending investigation)Agriculture and rural land managementMacrophytes and Phytobenthos CombinedDetails
RNAGDiffuse sourcePoor Livestock ManagementAgriculture and rural land managementAmmonia (Phys-Chem)Details
RNAGDiffuse sourcePoor soil managementAgriculture and rural land managementMacrophytes and Phytobenthos CombinedDetails
RNAGDiffuse sourcePoor soil managementAgriculture and rural land managementDissolved oxygenDetails
RNAGDiffuse sourcePoor nutrient managementAgriculture and rural land managementMacrophytes and Phytobenthos CombinedDetails
RNAGDiffuse sourcePoor Livestock ManagementAgriculture and rural land managementInvertebratesDetails
RNAGDiffuse sourcePoor soil managementAgriculture and rural land managementPhosphateDetails
RNAGDiffuse sourcePoor soil managementAgriculture and rural land managementInvertebratesDetails
RNAGDiffuse sourceUnknown (pending investigation)Agriculture and rural land managementDissolved oxygenDetails
RNAGDiffuse sourcePoor nutrient managementAgriculture and rural land managementPhosphateDetails
RNAGPoint sourceTrade/Industry dischargeIndustryPhosphateDetails
RNAGFlowGroundwater abstractionIndustryHydrological RegimeDetails
RNAGDiffuse sourceUrbanisation - urban developmentUrban and transportInvertebratesDetails
RNAGDiffuse sourceUrbanisation - urban developmentUrban and transportPhosphateDetails
RFDFlowGroundwater abstractionWater IndustryHydrological RegimeDetails
RNAGDiffuse sourcePoor nutrient managementAgriculture and rural land managementInvertebratesDetails
RNAGDiffuse sourceUnknown (pending investigation)Agriculture and rural land managementPhosphateDetails
RNAGPhysical modificationUrbanisation - urban developmentUrban and transportInvertebratesDetails
RNAGDiffuse sourceUrbanisation - urban developmentUrban and transportMacrophytes and Phytobenthos CombinedDetails
RNAGPhysical modificationFlood protection - structuresUrban and transportInvertebratesDetails
RNAGDiffuse sourcePoor nutrient managementAgriculture and rural land managementDissolved oxygenDetails

Reasons for not achieving good status by business sector

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 in water bodies, there may be more than one reason in a single water body.

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 management0000030
Industry0000000
Mining and quarrying0000000
Navigation0000000
Urban and transport0030000
Water Industry0000000
Local & central government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total0030030

Objectives

Classification ItemStatusYearReasons
EcologicalGood2027Disproportionately expensive: Disproportionate burdens;
Technically infeasible: Cause of adverse impact unknown
Biological quality elementsGood2027Disproportionately expensive: Disproportionate burdens
InvertebratesGood2027Disproportionately expensive: Disproportionate burdens
Macrophytes and Phytobenthos CombinedGood2027Disproportionately expensive: Disproportionate burdens
Physico-chemical quality elementsGood2027Disproportionately expensive: Disproportionate burdens
Acid Neutralising CapacityGood2015
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateGood2027Disproportionately expensive: Disproportionate burdens
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsSupports good2015
Hydrological RegimeSupports good2015
Supporting elements (Surface Water)Good2027Technically infeasible: Cause of adverse impact unknown
Mitigation Measures AssessmentGood2027Technically infeasible: Cause of adverse impact unknown
Specific pollutantsHigh2015
CopperHigh2015
IronHigh2015
TriclosanHigh2015
ZincHigh2015
ChemicalGood2015
Priority hazardous substancesGood2015
Cadmium and Its CompoundsGood2015
Di(2-ethylhexyl)phthalate (Priority hazardous)Good2015
Priority substancesGood2015
Lead and Its CompoundsGood2015
Nickel and Its CompoundsGood2015
Other PollutantsDoes not require assessment2015

Protected areas

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Upstream water bodies

    Downstream water bodies