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In 2014, 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. 85 % of this load is connected to collecting systems and 6 % addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 1 primary treatment plant, 56 secondary treatment plants and 34 more stringent treatment plants. All these treatment plants have a total design capacity of 2 206 973 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
Destination2014
Connected to collecting system1244202 pe, 85.1 %
Individual and Appropriate Systems91220 pe, 6.2 %
Discharged without treatment126801 pe, 8.7 %
Total1462223 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 type2014
No information1462223 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 state2014
Compliant174904 pe
Not Compliant733353 pe
Not relevant544877 pe
No information9089 pe
Total1462223 pe
*pe: Population equivalent
Number of agglomerations by compliance (number of agglomerations)
See the data table
Number of agglomerations by compliance (number of agglomerations)
See diagram
Compliance state2014
Compliant30
Not Compliant15
Not relevant110
No information3
Total158
*: Number of agglomerations

Waste water treatement 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 state2014
Not Compliant1004989 pe
Compliant609904 pe
Pending Deadline91100 pe
Total1705993 pe
*pe: Population equivalent
Number of treatment plant by compliance (number of agglomerations)
See the data table
Number of treatment plant by compliance (number of agglomerations)
See diagram
Compliance state2014
Not Compliant27
Compliant51
Pending Deadline79
Total157
*: Number of agglomerations

Waste water treatement 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
Compliance state2014
No information0
More stringent treatment892030 pe
Secondary treatment808261 pe
Primary treatment5702 pe
Total1705993 pe
*pe: Population equivalent
Number of treatment plant by treatment type (number of agglomerations)
See the data table
Number of treatment plant by treatment type (number of agglomerations)
See diagram
Compliance state2014
No information0
More stringent treatment31
Secondary treatment55
Primary treatment1
Total87
*: Number of agglomerations

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
Size2014
< 10000 pe523921 pe
10000 to 100000 pe502032 pe
> 100000 pe436270 pe
Total1462223 pe
*pe: Population equivalent
Number of agglomeration by size (number of agglomerations)
See the data table
Number of agglomeration by size (number of agglomerations)
See diagram
Size2014
< 10000 pe132
10000 to 100000 pe24
> 100000 pe2
Total158
*: Number of agglomerations

Waste water treatement plant : Total load entering and discharged

Total load entering and discharged
See the data table
Total load entering and discharged
See diagram
2014
ParameterEnteringDischarged
BOD35603.40 tons/year1109.60 tons/year
COD82056.30 tons/year5190.30 tons/year
N5450.30 tons/year1591.40 tons/year
P829.40 tons/year291.40 tons/year
BOD, COD, N, P concentration
See the data table
BOD, COD, N, P concentration
See diagram
2014
ParameterEnteringDischarged
BOD241.48 mg/l7.53 mg/l
COD556.56 mg/l35.20 mg/l
N36.97 mg/l10.79 mg/l
P5.63 mg/l1.98 mg/l

MS Level statistics

Sludge destination
See the data table
Total production : 27991 T DS/year
Sludge destination
See diagram
Total production : 27991 T DS/year
Destination2014
Re-used: Soil and agriculture1628 T DS/year
Disposed: Landfill344 T DS/year
Disposed: Incineration15029 T DS/year
Disposed: Others10990 T DS/year
*: Tons of Dry Substance per year T DS/year

Legal compliance

Legal compliance for connection in p.e.
See the data table
Legal compliance for connection in p.e.
See diagram
YearCompliantNot compliantNot relevant
2014539343343142579738
Legal compliance for connection by number of agglomerations
See the data table
Legal compliance for connection by number of agglomerations
See diagram
YearCompliantNot compliantNot relevant
20141110137
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
2014138539666982438681
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
2014615137
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
201466200658521112150
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
201435150