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Summary chapter

Summary chapter for national stats

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2018

Austria has 100% of its generated load compliant to the Urban Waste Water Treatment Directive (91/271/EEC).

In 2018, Austria counted 633 agglomerations generating ≥2,000 p.e. each, of which:

  • 633 agglomerations, generating 20,678,876 p.e. of waste water, complied with the requirements of the Directive; and
  • agglomerations, generating 0 p.e. of waste water, did not comply with the requirements of the Directive.

The waste water load generated in Austria in 2018 was reported to be 20,678,876 p.e.

In 2018, Austria had reached the target for collecting and treating waste water to fully comply with the Directive.

  • All the waste water load is connected to collecting system or to Individual and Appropriate Systems; and
  • All of the collected waste water load underwent secondary treatment in line with the requirements of the Directive,
  • All of the collected waste water load from agglomerations generating >10,000 p.e. and discharging into sensitive areas underwent more stringent treatment in line with the requirements of the Directive

0.6% of waste water load is addressed by means of individual or other appropriate systems (IAS) i.e. non-centralised sanitation systems (approximately 121,800 p.e.).

For the 633 agglomerations, there are 633 urban waste water treatment plants, with a total design capacity of 21,579,000 p.e., of which:

  • There is no plant active but not connected to collecting system,
  • 3 plants equipped with technology only for primary and secondary treatment,
  • 630 plants equipped with technology for more stringent treatment than secondary.

Based on the 2018 data, it seems that the load generated is lower than the design capacity.

Compliance rate by Article

Agglomeration Waste water load
Austria in 2018 Total
[No]
Comply
[No]
Comply
[%]
Total
[p.e.]
Comply
[p.e.]
Comply
[%]
Article 3 (collection) 633 633 100 % 20,678,876 20,678,876 100 %
Article 4 (secondary treatment) 633* 633 100 % 20,557,079** 20,557,079 100 %
Article 5 (more stringent treatment) 264* 264 100 % 18,821,747** 18,821,747 100 %

Notice : This table contains only agglomerations with expired deadlines.

*The total [No of agglomerations] includes only those agglomerations that must provide secondary treatment / or more stringent treatment than secondary before discharging waste water from their treatment plants.

**The total [p.e. waste water load] is the sum of the load of all of the agglomerations that must provide secondary treatment or more stringent treatment than secondary before discharging waste water from their treatment plants.

Data source for table: Register, summary of MS data

369 agglomerations were not taken into account in the calculation of the compliance rate for Article 5 because these agglomerations generate ≤10,000 p.e. each.

Distance to target

Waste water load
Austria in 2018 Target
[p.e.]
Distance to target
[p.e.]
Distance to target
[%]
Collection 20,678,876 0 0 %
Secondary treatment* 20,557,079 0 0 %
More stringent treatment** 18,821,747 0 0 %

*The target [p.e.] for secondary treatment represents the waste water load (collected and not collected) from all agglomerations that must be subject to secondary treatment, regardless of whether or not the agglomeration complies with Article 3.

** The target for more stringent treatment represents the waste water load (collected and not collected) from all agglomerations generating >10,000 p.e. and discharging into sensitive areas (regardless of whether or not the agglomeration complies with Article 3).

Data source for table: Register, summary of MS data

The expected annual investment costs per capita for installing and renewing waste water collecting systems and treatment plants is 29 EUR/inhabitant/year.

The investment needs for ensuring adequate urban waste water collection and treatment, i.e. compliance with the Directive, as estimated by the national authorities and included in their national plan, are at the level of EUR 0 million for the period 2020-2020. This covers works on treatment plants, with the forecasted investment cost of EUR 0 million (2020-2020) , and works on collecting systems and/or IAS, with a forecasted investment cost of EUR 0 million (2020-2020).However, as indicated in a recent OECD study, Austria would need to increase their investments further to reach and maintain compliance. The OECD projected that the financing needs by 2030 (total cumulative additional expenditures for sanitation) is EUR 4 billion.

For the reference year 2018, Austria reported the production of 234,480 tonnes of sludge. The sludge is mainly disposed for incineration (54 %) or re-used for soil and agriculture (21 %) and others (19 %).

At 3 discharge points, treated waste water is reused for infiltration.

No information was reported on storm water overflows by Austria.