Ministry of Agriculture Forestry Environment and Water Management

Ministry of Agriculture, Forestry, Environment and Water Management Austria Control & Monitoring of Urban Waste Water Treatment Plants and Data Reporting in Austria Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 1

Legal basis of Austrian water management EU Legislation - UWWT Directive Ú l National legislation: l Water act General waste water ordinance l l UWWT emission ordinance Sector specific emission ordinances Ú l Different ordinances in provinces Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 2

Administrative organization and responsibilities Federal Government legal responsibility Urban waste water emission ordinance monitoring: - methods - frequencies - parameters - limit values 9 Provinces and 2359 municipalities responsibility of implementation, monitoring and surveillance Different ordinances permits Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 3

UWWT situation in Austria l Catchment area: Danube (~96%), Rhein (~ 3%), Elbe (< 1%) l Article 5(8) of UWWTD since 2003 (P) l 8 mio inhabitants l 20 mio p. e. waste water treatment capacity l 86% connection degree (state 2001) Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 4

UWWT situation in Austria Size class: no 51 - 1. 999: 845 2. 001 - 10. 000: 397 10. 001 - 15. 000: 44 15. 001 -150. 000: 187 >150. 000: 22 Sum: 1. 495 % 1000 p. e. % 56, 5% 419 2, 1% 26, 6% 1. 858 9, 3% 2, 9% 572 2, 8% 12, 5% 7. 694 38, 3% 1, 5% 9. 541 47, 5% 20. 084* *uwwt capacity (ODC); 14. 674. 853 p. e. actually treated in 2002 Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 5

UWWT situation in Austria Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 6

UWWTP Size classes and emission limit values (mg/l) I II IV >50 < 500 >500 < 5. 000 >5. 000 < 50. 000 >50. 000 BOD 5 COD TOC NH 4 -N Ptot Ntot Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 I 25 90 30 10 - II 20 75 25 5 2 - III 20 75 25 5 1 70% IV 15 75 25 5 1 70% 7

Monitoring methods and frequencies Sampling method: time-based samples (24 hours) Frequencies: 1, 6, 12 and more (according to size classes) Allowed failures: according to samples (Annex I, table 3) no value more than 100% deviation from limit value Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 8

Monitoring methods and frequencies Failures’ conditions: - BOD, COD, SS of each value - N, P of the yearly average (under normal conditions) Methods: international standardized methods (see table 1, Annex 1 UWWT Directive) Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 9

“Self-monitoring” frequencies Size class: BOD 5 COD TOC NH 4 -N Ptot Ntot Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 I 6 12 52 - II IV 12 52 104 260 26 52 104 156 365 52 104 260 26 52 10

Monitoring performance “Self-monitoring”: Municipality/water associations (At the plant and/or in laboratories) Surveillance: Provinces, local water surveillance (by public or certificated private laboratories) Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 11

Reporting system until 2000 Data flow from: uwwt plants, industries, population To: regional authorities, provinces, ministry or statistical office For: national and internat. Statistics national and international reports Statistical office: every 10 years Ministry: a) every 3 years b) according to EU reporting obligations, ad hoc specific requests Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 12

New Austrian reporting system UWWTD Ministry Other national bodies WFD Other Directives WISA/EMREG (UWWT-DB) Other int. Rep. (EEA, . . . ) reports/electronic data exchange Other Reporting Regional authorities UWWTP Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 Industries 13

Data management ü Data input/changes by provinces ü Database hosting - national level (Ministry/FEA) ü Data validation/ongoing support ensured ü All provinces have read access to the national data via internet ü Evaluation tool is integrated ü Evaluation and reports carried out by FEA Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 14

Advantages of the new reporting mechanism Ø Ø Ø One annual data request Better data quality and recent data More efficient reporting Ø Information about: ü Individual plants ü Loads and emission concentrations ü Permits ü Industrial point sources ü Spatial information (GIS) ü Historical data Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 15

Disadvantages/problems Reporting is getting more and more complex Ø Requires significant resources Ø Causes costs Elisabeth Hosner, BMLFUW – Austria Life – Comwater, Nicosia, 17 th February 2005 16