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In 2016, United Kingdom had 1821 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 71 093 713 p.e. 99% of this load is connected to collecting systems and 1% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 1 primary treatment plant, 1082 secondary treatment plants and 735 more stringent treatment plants. All these treatment plants have a total design capacity of 91 126 408 p.e.

Agglomeration : Generated load by collection

Generated Load by collection type (population equivalent – p.e.)
See the data table
Generated Load by collection type (population equivalent – p.e.)
See diagram
Destination2016
Collected by collecting system70,720,250 pe, 99.5 %
Individual and Appropriate Systems373,463 pe, 0.5 %
Discharged without treatment0 pe, 0 %
Total71,093,713 pe, 100 %
*pe: Population equivalent, *%: Rate
Generated Load by sewage network type (population equivalent – p.e.)
See the data table
Generated Load by sewage network type (population equivalent – p.e.)
See diagram
Network type2016
No information71,093,713 pe
1,821 na
*pe: Population equivalent, *na: Number of agglomeration

Agglomeration : Generated load by compliance

Total generated load by compliance (population equivalent – p.e.)
See the data table
Total generated load by compliance (population equivalent – p.e.)
See diagram
Compliance state2016
Compliant68,555,940 pe
Not Compliant2,537,773 pe
Total71,093,713 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2016
Compliant1,766
Not Compliant55
Total1,821
*: Number of elements

Waste water treatment plant : Load entering by compliance

Total load entering by compliance (population equivalent – p.e.)
See the data table
Total load entering by compliance (population equivalent – p.e.)
See diagram
Compliance state2016
Compliant66,781,840 pe
Not Compliant3,743,358 pe
Not relevant92,541 pe
Total70,617,739 pe
*pe: Population equivalent
Number of treatment plant by compliance
See the data table
Number of treatment plant by compliance
See diagram
Compliance state2016
Compliant1,729
Not Compliant74
Not relevant16
Total1,819
*: Number of elements

Waste water treatment plant : Load entering by treatment type

Total load entering by treatment type (population equivalent – p.e.)
See the data table
Total load entering by treatment type (population equivalent – p.e.)
See diagram
Treatment type2016
More stringent treatment35,811,650 pe
Secondary treatment34,794,915 pe
Primary treatment11,174 pe
Total70,617,739 pe
*pe: Population equivalent
Number of treatment plant by treatment type
See the data table
Number of treatment plant by treatment type
See diagram
Treatment type2016
More stringent treatment735
Secondary treatment1,083
Primary treatment1
Total1,819
*: Number of elements

Agglomeration : generated load by agglomeration size

Total generated load by agglomeration size (population equivalent – p.e.)
See the data table
Total generated load by agglomeration size (population equivalent – p.e.)
See diagram
Size2016
< 10,000 pe4,601,942 pe
10,000 to 100,000 pe21,463,805 pe
> 100,000 pe45,027,966 pe
Total71,093,713 pe
*pe: Population equivalent
Number of agglomeration by size
See the data table
Number of agglomeration by size
See diagram
Size2016
< 10,000 pe985
10,000 to 100,000 pe686
> 100,000 pe150
Total1,821
*: Number of elements

MS Level statistics

Sludge destination
See the data table
In 2016, 1,122,280 Tons DS of sludge was generated
Sludge destination
See diagram
In 2016, 1,122,280 Tons DS of sludge was generated
Destination2016
Discharged into surface waters : Pipelines0.0
Discharged into surface waters : Ships0.0
Discharged into surface waters : Others0.0
Re-used: Soil and agriculture845,257.0
Re-used: Others107,094.0
Disposed: Landfill842.0
Disposed: Incineration169,085.0
Disposed: Others0.0
Missing2.0
Total1,122,280.0
Water re-use

2016 : 0.08 % of treated waste water are re-used. This water is used in agriculture, in industry and in others use.
Explanation : Inlet screen cleaning; supplementary flows to a wildfowl park; golf course irrigation.

Legal compliance

Legal compliance for collection in p.e.
See the data table
Legal compliance for collection in p.e.
See diagram
YearCompliantNot compliantNot relevant
201671,093,713 - -
Legal compliance for collection by number of agglomerations
See the data table
Legal compliance for collection by number of agglomerations
See diagram
YearCompliantNot compliantNot relevant
20161,821 - -
Legal compliance for 2nd treatment in p.e.
See the data table
Legal compliance for 2nd treatment in p.e.
See diagram
YearCompliantNot compliantNot relevant
201669,833,242796,75890,250
Legal compliance for 2nd treatment by number of agglomerations
See the data table
Legal compliance for 2nd treatment by number of agglomerations
See diagram
YearCompliantNot compliantNot relevant
20161,7891715
Legal compliance for 3rd treatment in p.e.
See the data table
Legal compliance for 3rd treatment in p.e.
See diagram
YearCompliantNot compliantNot relevant
201624,896,7791,873,77843,949,693
Legal compliance for 3rd treatment by number of agglomerations
See the data table
Legal compliance for 3rd treatment by number of agglomerations
See diagram
YearCompliantNot compliantNot relevant
2016393401,388