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In 2018, Estonia had 57 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 1 487 912 p.e. 97% of this load is connected to collecting systems and 3% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 2 secondary treatment plants and 49 more stringent treatment plants. All these treatment plants have a total design capacity of 1 699 255 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 system1,439,814 pe, 96.8 %
Individual and Appropriate Systems48,098 pe, 3.2 %
Discharged without treatment0 pe, 0 %
Total1,487,912 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 system531,345 pe
32 na
Separative and combine system895,052 pe
14 na
Combine system61,515 pe
11 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
Compliant1,461,981 pe
Not Compliant25,931 pe
Total1,487,912 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2018
Compliant54
Not Compliant3
Total57
*: 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
Not relevant16,483 pe
Not Compliant2,159 pe
Compliant1,264,167 pe
Total1,282,809 pe
*pe: Population equivalent
Number of treatment plants by compliance
See the data table
Number of treatment plants by compliance
See diagram
Compliance state2018
Not relevant6
Not Compliant4
Compliant41
Total51
*: 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 treatment139 pe
More stringent treatment1,282,670 pe
Total1,282,809 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 treatment2
More stringent treatment49
Total51
*: 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 pe133,524 pe
10,000 to 100,000 pe493,644 pe
> 100,000 pe860,744 pe
Total1,487,912 pe
*pe: Population equivalent
Number of agglomerations by size
See the data table
Number of agglomerations by size
See diagram
Size2018
< 10,000 pe32
10,000 to 100,000 pe21
> 100,000 pe4
Total57
*: Number of elements

MS Level statistics

Sludge destination
See the data table
In 2018, 24,466 Tons DS of sludge was generated
Sludge destination
See diagram
In 2018, 24,466 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 agriculture22,477.0
Re-used: Others0.0
Disposed: Landfill1,989.0
Disposed: Incineration0.0
Disposed: Others0.0
Total24,466.0
There is no waste water re-use in Estonia.

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
20181,487,912 - -
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
201857 - -
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
20181,416,3223,53619,956
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
20185016
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
20181,316,93510,649112,230
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
201823232