Meavy Water Body

Moderate ecological status

Viewing latest data (Updated on 20 May 2022). Switch to draft river basin management plan data

Attributes

  • Water Body IDGB108047003660
  • Water Body TypeRiver
  • Hydromorphological designationheavily modified
  • NGRSX5509667429
  • Surveillance Water BodyYes
  • Length15.919 km
  • Catchment area42.203 km2
  • Catchment area4220.289 ha

Classifications

Classification Item20132014201520162019
EcologicalModerateModerateGoodGoodModerate
Biological quality elementsModerateModerateModerateModerateModerate
FishModerateModerateModerateModerateModerate
InvertebratesHighHighHighHigh
Macrophytes and Phytobenthos CombinedGoodGoodGoodGood
Physico-chemical quality elementsHighHighHighHighModerate
Ammonia (Phys-Chem)HighHighHighHighHigh
Dissolved oxygenHighHighHighHighHigh
PhosphateHighHighHighHighHigh
TemperatureHighHighHighHighHigh
pHHighHighHighHighModerate
Hydromorphological Supporting ElementsSupports good
Hydrological RegimeDoes not support good
Supporting elements (Surface Water)ModerateModerateGoodGoodModerate
Mitigation Measures AssessmentModerate or lessModerate or lessGoodGoodModerate or less
Specific pollutantsHighHigh
CopperHighHigh
TriclosanHighHigh
ZincHighHigh
ChemicalGoodGoodGoodGoodFail
Priority hazardous substancesGoodGoodDoes not require assessmentDoes not require assessmentFail
Benzo(a)pyreneGood
Cadmium and Its CompoundsGoodGood
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
NonylphenolGoodGood
Perfluorooctane sulphonate (PFOS)Good
Polybrominated diphenyl ethers (PBDE)Fail
Tributyltin CompoundsGoodGood
Priority substancesGoodGoodDoes not require assessmentDoes not require assessmentGood
1,2-dichloroethaneGood
BenzeneGood
Cypermethrin (Priority hazardous)Good
DichloromethaneGood
FluorantheneGood
Lead and Its CompoundsGoodGood
Nickel and Its CompoundsGoodGood
TrichloromethaneGood
Other PollutantsDoes not require assessmentGoodDoes not require assessmentDoes not require assessmentDoes not require assessment
Carbon TetrachlorideGood
DDT TotalGood
para - para DDTGood

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
RNAGNaturalNatural mineralisationNo sector responsibleFishDetails
RNAGNaturalBarriers - ecological discontinuityNo sector responsibleFishDetails
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
RNAGFlowRegulating Reservoir Flow RegimeWater IndustryFishDetails

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 transport0000000
Water Industry0001000
Local & central government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total0001000

Objectives

Classification ItemStatusYearReasons
EcologicalGood2015
Biological quality elementsGood2027Disproportionately expensive: Disproportionate burdens
FishGood2027Disproportionately expensive: Disproportionate burdens
InvertebratesGood2015
Macrophytes and Phytobenthos CombinedGood2015
Physico-chemical quality elementsGood2015
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateGood2015
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsNot assessed2015
Supporting elements (Surface Water)Good2015
Mitigation Measures AssessmentGood2015
Specific pollutantsNot assessed2015
ChemicalGood2015
Priority hazardous substancesDoes not require assessment2015
Priority substancesDoes not require assessment2015
Other PollutantsDoes not require assessment2015

Protected areas

PA NameIdDirectiveTypeMore information
South Dartmoor WoodsUK0012749Habitats and Species DirectiveSACNatural England
MEAVYUKGB108047003660Drinking Water Protected Area

Upstream water bodies

    Downstream water bodies