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In 2018, Lithuania had 63 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 2 637 558 p.e. 98% of this load is connected to collecting systems and 2% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 8 secondary treatment plants and 55 more stringent treatment plants. All these treatment plants have a total design capacity of 3 495 748 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 system2,594,777 pe, 98.4 %
Individual and Appropriate Systems42,781 pe, 1.6 %
Discharged without treatment0 pe, 0 %
Total2,637,558 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 system697,211 pe
1 na
Combine system123,482 pe
3 na
No information158,740 pe
31 na
Separative system1,658,125 pe
28 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
Compliant2,617,754 pe
Not Compliant19,804 pe
Total2,637,558 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2018
Compliant62
Not Compliant1
Total63
*: 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
Compliant2,575,816 pe
Not Compliant18,975 pe
Total2,594,791 pe
*pe: Population equivalent
Number of treatment plants by compliance
See the data table
Number of treatment plants by compliance
See diagram
Compliance state2018
Compliant62
Not Compliant1
Total63
*: 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 treatment41,021 pe
More stringent treatment2,553,770 pe
Total2,594,791 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 treatment8
More stringent treatment55
Total63
*: 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 pe158,740 pe
10,000 to 100,000 pe989,952 pe
> 100,000 pe1,488,866 pe
Total2,637,558 pe
*pe: Population equivalent
Number of agglomerations by size
See the data table
Number of agglomerations by size
See diagram
Size2018
< 10,000 pe31
10,000 to 100,000 pe28
> 100,000 pe4
Total63
*: 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
BOD56,825.92 tons/year836.67 tons/year
COD133,997.63 tons/year7,342.99 tons/year
N10,795.80 tons/year1,403.93 tons/year
P1,515.76 tons/year91.13 tons/year
BOD, COD, N, P concentration
See the data table
BOD, COD, N, P concentration
See diagram
2018
ParameterEnteringDischarged
BOD372.91 mg/l5.49 mg/l
COD879.34 mg/l48.19 mg/l
N70.85 mg/l9.21 mg/l
P9.95 mg/l0.60 mg/l

MS Level statistics

Sludge destination
See the data table
In 2018, 44,192 Tons DS of sludge was generated
Sludge destination
See diagram
In 2018, 44,192 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 agriculture15,891.7
Re-used: Others17,506.4
Disposed: Landfill3,401.8
Disposed: Incineration1,884.2
Disposed: Others5,507.6
Total44,191.7

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
20182,637,558 - -
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
201863 - -
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
20182,594,777 - -
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
201863 - -
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
20182,429,11318,974146,689
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
201831131