Don from River Loxley confl to River Don Works Water Body

Poor ecological status

Attributes

  • Water Body IDGB104027057412
  • Water Body TypeRiver
  • Hydromorphological designationheavily modified
  • NGRSK3845890004
  • Catchment area2405.206 ha
  • Length14.04 km
  • Catchment area24.052 km2
  • Surveillance Water BodyNo

Classifications

Classification Item2019
EcologicalPoor
Biological quality elementsPoor
FishGood
InvertebratesGood
Macrophytes and Phytobenthos CombinedPoor
Phytobenthos Sub ElementPoor
Physico-chemical quality elementsModerate
Ammonia (Phys-Chem)High
Dissolved oxygenHigh
PhosphateModerate
TemperatureHigh
pHHigh
Hydromorphological Supporting ElementsSupports good
Hydrological RegimeSupports good
Supporting elements (Surface Water)Moderate
Mitigation Measures AssessmentModerate or less
Specific pollutantsHigh
CopperHigh
IronHigh
ManganeseHigh
ZincHigh
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)Fail
Polybrominated diphenyl ethers (PBDE)Fail
Priority substancesGood
Cypermethrin (Priority)Good
FluorantheneGood
Lead and Its CompoundsGood
Nickel and Its CompoundsGood
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 sourceSewage discharge (continuous)Water IndustryMacrophytes and Phytobenthos CombinedDetails
RNAGUnknown (pending investigation)Unknown (pending investigation)Sector under investigationPerfluorooctane sulphonate (PFOS)Details
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
RNAGPoint sourceSewage discharge (continuous)Water IndustryPhosphateDetails
RNAGPhysical modificationOther (not in list, must add details in comments)Urban and transportMitigation Measures AssessmentDetails
RNAGPhysical modificationOther (not in list, must add details in comments)Local and Central GovernmentMitigation 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 transport1000000
Water Industry0200000
Local & central government1000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total2200000

Objectives

Classification ItemStatusYearReasons
EcologicalModerate2027 - Low confidenceDisproportionately expensive: Disproportionate burdens;
Technically infeasible: No known technical solution is available
Biological quality elementsModerate2027 - Low confidenceDisproportionately expensive: Disproportionate burdens;
Technically infeasible: No known technical solution is available
FishGood2015
InvertebratesGood2015
Macrophytes and Phytobenthos CombinedModerate2027 - Low confidenceDisproportionately expensive: Disproportionate burdens;
Technically infeasible: No known technical solution is available
Physico-chemical quality elementsModerate2015Technically infeasible: No known technical solution is available
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateModerate2015Technically infeasible: No known technical solution is available
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsSupports good2015
Hydrological RegimeSupports good2015
Supporting elements (Surface Water)Good2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Mitigation Measures AssessmentGood2027 - Low confidenceDisproportionately expensive: Disproportionate burdens
Specific pollutantsHigh2015
CopperHigh2015
IronHigh2015
ManganeseHigh2015
ZincHigh2015
ChemicalGood2063Natural conditions: Chemical status recovery time;
Technically infeasible: No known technical solution is available
Priority hazardous substancesGood2063Natural conditions: Chemical status recovery time;
Technically infeasible: No known technical solution is available
Benzo(a)pyreneGood2015
Cadmium and Its CompoundsGood2015
Dioxins and dioxin-like compoundsGood2015
Heptachlor and cis-Heptachlor epoxideGood2015
Hexabromocyclododecane (HBCDD)Good2015
HexachlorobenzeneGood2015
HexachlorobutadieneGood2015
Mercury and Its CompoundsGood2040Natural conditions: Chemical status recovery time
Perfluorooctane sulphonate (PFOS)Good2039Technically infeasible: No known technical solution is available
Polybrominated diphenyl ethers (PBDE)Good2063Natural conditions: Chemical status recovery time
Priority substancesGood2015
Cypermethrin (Priority)Good2015
FluorantheneGood2015
Lead and Its CompoundsGood2015
Nickel and Its CompoundsGood2015
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
RIVER DON CATCHMENT/RIVER DON/NURSERY STREET, SHEFFIELD/ 411662012
RIVER DON CATCHMENT/RIVER DON/EFFINGHAM STREET, SHEFFIELD/ 367602014, 20132016, 2019, 2014, 2015, 20132019
1027 10272013, 20112013, 2016, 2015
1429 14292016, 2019, 2014, 20152019
RIVER DON CATCHMENT/RIVER DON/KELHAM ISLAND (CHANNEL 2)/ 382462012, 2013
RIVER DON CATCHMENT/RIVER DON/ATTERCLIFFE ROAD/ 174312011
RIVER DON CATCHMENT/RIVER DON/BLONK STREET, SHEFFIELD/ 411672012, 2013
1003 10032011, 2012, 2010
DON AT B6083 NEWHALL ROAD - BRIGHTSIDE 493016202014, 2012, 2009, 2013, 2010, 20112014, 2015, 2016, 2019, 20132019
DON AT NEEPSEND LANE 493016182014, 2012, 2009, 2013, 2010, 2011
RIVER DON CATCHMENT/RIVER DON/KELHAM ISLAND MUSEUM/ 173712014, 2012, 2010, 20132016, 2014, 2015, 2013