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In 2016, Slovenia had 158 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 1 462 223 p.e. 91% of this load is connected to collecting systems and 5% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 49 secondary treatment plants and 53 more stringent treatment plants. All these treatment plants have a total design capacity of 2 321 320 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 system1,326,387 pe, 90.7 %
Individual and Appropriate Systems72,105 pe, 4.9 %
Discharged without treatment63,731 pe, 4.4 %
Total1,462,223 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 information1,462,223 pe
158 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
Compliant476,610 pe
Not Compliant985,613 pe
Total1,462,223 pe
*pe: Population equivalent
Number of agglomerations by compliance
See the data table
Number of agglomerations by compliance
See diagram
Compliance state2016
Compliant66
Not Compliant92
Total158
*: 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
Compliant1,341,849 pe
Not Compliant530,266 pe
Total1,872,115 pe
*pe: Population equivalent
Number of treatment plant by compliance
See the data table
Number of treatment plant by compliance
See diagram
Compliance state2016
Compliant84
Not Compliant18
Total102
*: 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
Secondary treatment615,593 pe
More stringent treatment1,256,522 pe
Total1,872,115 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
Secondary treatment49
More stringent treatment53
Total102
*: 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 pe523,921 pe
10,000 to 100,000 pe502,032 pe
> 100,000 pe436,270 pe
Total1,462,223 pe
*pe: Population equivalent
Number of agglomeration by size
See the data table
Number of agglomeration by size
See diagram
Size2016
< 10,000 pe132
10,000 to 100,000 pe24
> 100,000 pe2
Total158
*: 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
2016
ParameterEnteringDischarged
BOD40,233.10 tons/year839.70 tons/year
COD88,515.00 tons/year4,658.60 tons/year
N6,294.90 tons/year1,275.20 tons/year
P1,036.70 tons/year227.00 tons/year
BOD, COD, N, P concentration
See the data table
BOD, COD, N, P concentration
See diagram
2016
ParameterEnteringDischarged
BOD288.03 mg/l6.01 mg/l
COD633.69 mg/l33.35 mg/l
N45.07 mg/l9.13 mg/l
P7.42 mg/l1.63 mg/l

MS Level statistics

Sludge destination
See the data table
In 2016, 31,153 Tons DS of sludge was generated
Sludge destination
See diagram
In 2016, 31,153 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 agriculture1,471.0
Re-used: Others0.0
Disposed: Landfill242.0
Disposed: Incineration14,479.0
Disposed: Others14,961.0
Total31,153.0

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
2016912,355549,868 -
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
20168672 -
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
2016519,340807,047 -
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
20167187 -
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
2016205,162661,001460,224
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
2016916133