Aire and Calder Management Catchment

About

The Aire and Calder catchment is home to over 2 million people. Although it is dominated by the commercial and industrial towns of West Yorkshire, much of the catchment is a landscape of lofty, sparsely populated uplands with ribbons of villages and small towns nestling in a narrow valley floor.

Aire and Calder Management Catchment

Classifications data for Aire and Calder Management Catchment

Number of water bodies

The number of water bodies in the river basin district. It shows whether these are natural, artificial (such as canals and reservoirs) or have been modified ('heavily modified') for particular uses.

Water body categoriesNaturalArtificialHeavily modifiedTotal
River, canals and surface water transfers2115476
Lake114749
Coastal0000
Estuarine0000
Groundwater0000
Total222101125

Ecological status for surface waters

Table summarises the current ecological status of surface water bodies. Water bodies are classified as being at high, good, moderate, poor or bad ecological status or potential.

Ecological status or potentialBadPoorModerateGoodHighTotal
Number of water bodies05110100125
Number of water body elements630153161556906

Chemical status for surface waters

Table summarises the current chemical status of water bodies. These are classified as being at good or fail.

Chemical statusFailGoodTotal
Number of water bodies1250125
Number of water body elements37713421719

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

Quantitative status for groundwater

Table summarises the quantitative status of groundwater water bodies. These are classified as being at good or poor.

Quantitative statusPoorGoodTotal
Number of water bodies000
Number of water body elements000

Chemical status for groundwater

Table summarises the chemical status of groundwater water bodies. These are classified as being at good or poor.

Chemical statusPoorGoodTotal
Number of water bodies000
Number of water body elements000

Challenges data for Aire and Calder 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 management10501500
Domestic general public0000000
Industry00120021
Local & central government00270000
Mining and quarrying0006000
Navigation0030000
No sector responsible0000000
Other0010000
Recreation0010000
Sector under investigation0000000
Urban and transport00660080
Waste treatment and disposal0000000
Water Industry004200063
Total101576151064

Objectives data for Aire and Calder Management Catchment

Ecological status or potential objectives for surface water bodies

Table summarises the ecological status and ecological potential objectives set for water bodies in the river basin management plan. Each water body is only counted once in this table. Each water body objective consists of a target status and a date when it was, or is expected to be, met.

StatusBadPoorModerateGoodHighTotal
By 201500255030
By 20210165012
By 202700083083
Total0131930125

83 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 20630125125
Total0125125

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