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In 2018, Luxembourg had 50 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 620 272 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 13 secondary treatment plants and 19 more stringent treatment plants. All these treatment plants have a total design capacity of 920 100 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
Destination2018
Collected by collecting system615,922 pe, 99.3 %
Individual and Appropriate Systems4,350 pe, 0.7 %
Discharged without treatment0 pe, 0 %
Total620,272 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 type2018
Separative and combine system620,272 pe
50 na
*pe: Population equivalent, *na: Number of agglomerations

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 state2018
Compliant617,992 pe
Not Compliant2,280 pe
Total620,272 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2018
Compliant49
Not Compliant1
Total50
*: 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 state2018
Compliant653,109 pe
Not Compliant2,280 pe
Total655,389 pe
*pe: Population equivalent
Number of treatment plants by compliance
See the data table
Number of treatment plants by compliance
See diagram
Compliance state2018
Compliant31
Not Compliant1
Total32
*: 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 type2018
Secondary treatment39,394 pe
More stringent treatment615,995 pe
Total655,389 pe
*pe: Population equivalent
Number of treatment plants by treatment type
See the data table
Number of treatment plants by treatment type
See diagram
Treatment type2018
Secondary treatment13
More stringent treatment19
Total32
*: 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
Size2018
< 10,000 pe166,400 pe
10,000 to 100,000 pe261,834 pe
> 100,000 pe192,038 pe
Total620,272 pe
*pe: Population equivalent
Number of agglomerations by size
See the data table
Number of agglomerations by size
See diagram
Size2018
< 10,000 pe37
10,000 to 100,000 pe12
> 100,000 pe1
Total50
*: Number of elements

Waste water treatment plant : Total load entering and discharged

Total load entering and discharged
See the data table
Total load entering and discharged
See diagram
2018
ParameterEnteringDischarged
BOD13,976.22 tons/year326.97 tons/year
COD27,964.43 tons/year1,548.86 tons/year
N2,403.18 tons/year564.43 tons/year
P298.14 tons/year54.69 tons/year
BOD, COD, N, P concentration
See the data table
BOD, COD, N, P concentration
See diagram
2018
ParameterEnteringDischarged
BOD205.00 mg/l4.80 mg/l
COD410.17 mg/l22.72 mg/l
N35.25 mg/l8.28 mg/l
P4.37 mg/l0.80 mg/l

MS Level statistics

Sludge destination
See the data table
In 2018, 9,083 Tons DS of sludge was generated
Sludge destination
See diagram
In 2018, 9,083 Tons DS of sludge was generated
Destination2018
Discharged into surface waters : Pipelines0.0
Discharged into surface waters : Ships0.0
Discharged into surface waters : Others0.0
Re-used: Soil and agriculture2,000.0
Re-used: Others1,758.0
Disposed: Landfill0.0
Disposed: Incineration1,135.0
Disposed: Others4,190.0
Total9,083.0
The amount of sewage sludge which is mentionend under 'mslReuseOhters' is composted in Luxembourg. The amount of sewage sludge which is written under 'mslDisposalOthers' is incinerated (426 t DS/y) in Germany and composted (3764 t DS/y) in France

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
2018620,272 - -
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
201850 - -
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
2018613,6652,257 -
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
2018491 -
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
2018450,360 - 165,562
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
201813 - 37