Tamar Management Catchment

About

The River Tamar forms the boundary between Cornwall and Devon. Rising on Woolley Moor only 4 miles from Bude and the Atlantic Ocean, the River Tamar flows south for nearly 50 miles to the English Channel. Major tributaries include the Deer, Claw, Carey, Ottery, Kensey, Wolf, Lyd, Thrushel, Tavy, Plym and Yealm.

View of Plymouth Hoe

Classifications data for Tamar Management Catchment

Number of water bodies

Water body categoriesNaturalArtificialHeavily modifiedTotal
River, canals and surface water transfers490352
Lake1034
Coastal0000
Estuarine0000
Groundwater0000
Total500656

Ecological status for surface waters

Ecological status or potentialBadPoorModerateGoodHighTotal
Number of water bodies173513056
Number of water body elements2107381367533

Chemical status for surface waters

Chemical statusFailGoodTotal
Number of water bodies56056
Number of water body elements122626748

Why do all water bodies have a chemical status of fail?

Quantitative status for groundwater

Quantitative statusPoorGoodTotal
Number of water bodies000
Number of water body elements000

Chemical status for groundwater

Chemical statusPoorGoodTotal
Number of water bodies000
Number of water body elements000

Challenges data for Tamar Management Catchment

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 issueChanges to the natural flow and level of waterInvasive non-native speciesPhysical modificationsPollution from abandoned minesPollution from rural areasPollution from towns, cities and transportPollution from waste water
Agriculture and rural land management301011700
Domestic general public0000010
Industry0010050
Local & central government0010000
Mining and quarrying00028040
Navigation0000000
No sector responsible0000000
Other1000000
Recreation0000000
Sector under investigation0000000
Urban and transport0030010
Waste treatment and disposal0000000
Water Industry40800026
Total8014281171126

Objectives data for Tamar Management Catchment

Ecological status or potential objectives for surface water bodies

Including those with less stringent objectives and extended deadlines

StatusBadPoorModerateGoodHighTotal
By 201500010010
By 2021001203
By 202700043043
Total00155056

42 of the "by 2027" objectives are low confidence

Chemical status objectives for surface water bodies

Including those with less stringent objectives and extended deadlines

StatusFailGoodTotal
By 206305656
Total05656

0 of the "by 2027" objectives are low confidence

Quantitative status objectives for groundwater

Including those with less stringent objectives and extended deadlines

StatusPoor
GoodTotal
Total000

0 of the "by 2027" objectives are low confidence

Chemical status objectives for groundwater

Including those with less stringent objectives and extended deadlines

StatusPoor
GoodTotal
Total000