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In 2016, Ireland had 185 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 5 080 615 p.e. 96% of this load is connected to collecting systems and 4% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 2 primary treatment plant, 56 secondary treatment plants and 121 more stringent treatment plants. All these treatment plants have a total design capacity of 5 541 664 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 system4,895,692 pe, 96.4 %
Individual and Appropriate Systems184,923 pe, 3.6 %
Discharged without treatment0 pe, 0 %
Total5,080,615 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
Combine system5,046,855 pe
173 na
No information33,760 pe
12 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
Compliant2,136,939 pe
Not Compliant2,943,676 pe
Total5,080,615 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2016
Compliant146
Not Compliant39
Total185
*: 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
Compliant2,040,453 pe
Not Compliant2,768,579 pe
Total4,809,032 pe
*pe: Population equivalent
Number of treatment plant by compliance
See the data table
Number of treatment plant by compliance
See diagram
Compliance state2016
Compliant146
Not Compliant33
Total179
*: 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 treatment3,634,718 pe
Secondary treatment1,162,391 pe
Primary treatment11,923 pe
Total4,809,032 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 treatment121
Secondary treatment56
Primary treatment2
Total179
*: 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 pe494,189 pe
10,000 to 100,000 pe1,439,948 pe
> 100,000 pe3,146,478 pe
Total5,080,615 pe
*pe: Population equivalent
Number of agglomeration by size
See the data table
Number of agglomeration by size
See diagram
Size2016
< 10,000 pe117
10,000 to 100,000 pe61
> 100,000 pe7
Total185
*: Number of elements

MS Level statistics

Sludge destination
See the data table
In 2016, 56,018 Tons DS of sludge was generated
Sludge destination
See diagram
In 2016, 56,018 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 agriculture54,954.0
Re-used: Others962.0
Disposed: Landfill102.0
Disposed: Incineration0.0
Disposed: Others0.0
Total56,018.0

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
20165,080,615 - -
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
2016185 - -
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
20162,490,6072,405,084 -
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
201615134 -
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
2016822,5312,709,5831,363,578
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
20162912144