Duddon Sands Water Body

Moderate ecological status

Attributes

  • Water Body IDGB641211172000
  • Water Body TypeCoastal Water
  • Hydromorphological designationheavily modified
  • NGRSD1759975671
  • Surveillance Water BodyNo
  • Surface area27.816 km2
  • Surface area2781.581 ha

Classifications

Classification Item2019
EcologicalModerate
Biological quality elementsHigh
MacroalgaeHigh
Opportunistic MacroalgaeHigh
Physico-chemical quality elementsHigh
Dissolved oxygenHigh
Supporting elements (Surface Water)Good
Mitigation Measures AssessmentGood
Specific pollutantsModerate
ArsenicHigh
Chromium (VI)High
CopperHigh
PhenolHigh
ZincModerate
ChemicalFail
Priority hazardous substancesFail
Benzo(a)pyreneGood
Cadmium and Its CompoundsGood
Dioxins and dioxin-like compoundsGood
Heptachlor and cis-Heptachlor epoxideGood
Hexabromocyclododecane (HBCDD)Good
HexachlorobenzeneGood
HexachlorobutadieneGood
Mercury and Its CompoundsFail
Perfluorooctane sulphonate (PFOS)Good
Polybrominated diphenyl ethers (PBDE)Fail
Tributyltin CompoundsFail
Priority substancesGood
FluorantheneGood
Lead and Its CompoundsGood
Nickel and Its CompoundsGood
PentachlorophenolGood
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
RNAGmeasures delivered to address reason, awaiting recoveryNot applicableNo sector responsiblePolybrominated diphenyl ethers (PBDE)Details
RNAGmeasures delivered to address reason, awaiting recoveryNot applicableNo sector responsibleMercury and Its CompoundsDetails

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 Industry0000000
Local & central government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total0000000

Objectives

Classification ItemStatusYearReasons
EcologicalGood2015Disproportionately expensive: Disproportionate burdens
Biological quality elementsGood2015
MacroalgaeGood2015
Physico-chemical quality elementsGood2015
Dissolved oxygenGood2015
Hydromorphological Supporting ElementsNot assessed2015
Supporting elements (Surface Water)Good2015
Mitigation Measures AssessmentGood2015
Specific pollutantsHigh2015Disproportionately expensive: Disproportionate burdens
ArsenicHigh2015
Chromium (VI)High2015
CopperHigh2015
PhenolHigh2015
ZincHigh2015
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
Cadmium and Its CompoundsGood2015
Dioxins and dioxin-like compoundsGood2015
Heptachlor and cis-Heptachlor epoxideGood2021Natural conditions: Chemical status recovery time
Hexabromocyclododecane (HBCDD)Good2015
HexachlorobenzeneGood2015
HexachlorobutadieneGood2015
Mercury and Its CompoundsGood2040Natural conditions: Chemical status recovery time
Perfluorooctane sulphonate (PFOS)Good2015
Polybrominated diphenyl ethers (PBDE)Good2063Natural conditions: Chemical status recovery time
Tributyltin CompoundsGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Priority substancesGood2015
FluorantheneGood2015
Lead and Its CompoundsGood2015
Nickel and Its CompoundsGood2015
PentachlorophenolGood2015
Other PollutantsDoes not require assessment2015

Protected areas

PA NameIdDirectiveMore information
Morecambe Bay And Duddon EstuaryUK9020326Special Protection AreaNatural England
Morecambe BayUK11045Ramsar SiteNatural England
Morecambe BayUK0013027Special Area of ConservationNatural England
DuddonUKSW134Shellfish Water Directive
Duddon EstuaryUK11022Ramsar SiteNatural England
Walney_EUKSW116Shellfish Water Directive
HaveriggUK44800Bathing Water Directive

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
WALNEY CHANNEL AT JUBILEE BRIDGE 880048842015, 2016
SLIPWAY BY JUBILEE BRIDGE - WALNEY SOUTH 880199802015, 2016
BARROW MILL EQSD SAMPLE 50M DOWNTIDE 880230022016, 2015

Upstream water bodies

Downstream water bodies