Mow Beck Water Body

Moderate ecological status

Attributes

  • Water Body IDGB105030056720
  • Water Body TypeRiver
  • Hydromorphological designationheavily modified
  • NGRSK9087335232
  • Catchment area1449.705 ha
  • Length2.655 km
  • Catchment area14.497 km2
  • Surveillance Water BodyNo

Classifications

Classification Item2019
EcologicalModerate
Biological quality elementsModerate
InvertebratesModerate
Macrophytes and Phytobenthos Combined
Macrophytes Sub ElementModerate
Physico-chemical quality elementsModerate
Ammonia (Phys-Chem)Moderate
Dissolved oxygenHigh
PhosphateModerate
TemperatureHigh
pHHigh
Hydromorphological Supporting ElementsSupports good
Hydrological RegimeSupports good
Supporting elements (Surface Water)Good
Mitigation Measures AssessmentGood
ChemicalFail
Priority hazardous substancesFail
Benzo(a)pyreneGood
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
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
RFDPoint sourceTrade/Industry dischargeSector under investigationAmmonia (Phys-Chem)Details
RNAGPoint sourceSewage discharge (continuous)Water IndustryInvertebratesDetails
RNAGPhysical modificationUrbanisation - urban developmentUrban and transportInvertebratesDetails
RNAGmeasures delivered to address reason, awaiting recoveryNot applicableNo sector responsibleMercury and Its CompoundsDetails
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
RNAGPoint sourceMisconnectionsIndustryPhosphateDetails
RNAGPoint sourceSewage discharge (continuous)Water IndustryPhosphateDetails

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 government0000000
Domestic general public0000000
Recreation0000000
Waste treatment and disposal0000000
Other0000000
No sector responsible0000000
Sector under investigation0000000
Total1200000

Objectives

Classification ItemStatusYearReasons
EcologicalGood2027Disproportionately expensive: Disproportionate burdens;
Good status prevented by A/HMWB designated use: Action to get biological element to good would have significant adverse impact on use
Biological quality elementsModerate2015Good status prevented by A/HMWB designated use: Action to get biological element to good would have significant adverse impact on use
InvertebratesModerate2015Good status prevented by A/HMWB designated use: Action to get biological element to good would have significant adverse impact on use
Macrophytes and Phytobenthos CombinedNot assessed2015Good status prevented by A/HMWB designated use: Action to get biological element to good would have significant adverse impact on use
Physico-chemical quality elementsGood2027Disproportionately expensive: Disproportionate burdens
Ammonia (Phys-Chem)Good2015
Dissolved oxygenGood2015
PhosphateGood2027Disproportionately expensive: Disproportionate burdens
TemperatureGood2015
pHGood2015
Hydromorphological Supporting ElementsSupports good2015
Hydrological RegimeSupports good2015
Supporting elements (Surface Water)Good2015
Mitigation Measures AssessmentGood2015
Specific pollutantsNot assessed2015
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
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
Other PollutantsDoes not require assessment2015

Protected areas

PA NameIdDirectiveMore information
Lower Witham NVZS375Nitrates 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
160667 16066720142019, 2016, 2015, 20142019
RUNNING FURROWS RUNFURWS2013, 2014, 20122013, 2014
MOWBECK D/S GAS WKS LANE DIS. MOWB220142016, 2019, 2014, 20152019
R.WITHAM AUBOURN BRIDGE WITHC2009, 2011, 2010
R.WITHAM SALTERSFORD FT.BR. WITHN2009, 2010
R.WITHAM BARKSTON BRIDGE WITH52009, 2011, 2010
R.WITHAM HOUGHAM NORTH BRIDGE WITH82009, 2011, 2010
55224 5522420142014, 2015, 2016

Upstream water bodies