Skadar/Shkodra Lake Commission 17.11.2009 Water management in Vorarlberg, in Alpine Rhine and Lake Constance basin Thomas Blank State governement of Vorarlberg Unit for water management Vorarlberg, Lake Constance, Alpine Rhine Rheinspitz Rohrspitz Rheinmündung BregenzThomas Blank, Unit for water management 1 Content 1 Water management in Vorarlberg 2 International water management in the basin of Lake Constance 3 Alpine Rhine -International water management 4 International Commission for the Protection of Lake Constance IGKB 5 EU water framework directive Thomas Blank, Unit for water management Catchment areas in Europe Thomas Blank, Unit for water management 2 Rhine basin Thomas Blank, Unit for water management River-basins of Vorarlberg Thomas Blank, Unit for water management 3 Amount of water in Vorarlberg Precepitation/year: 1900 mm „Burgenland“ „Vorarlberg“ „Burgenland“Quelle: Wasserland Bayern, Bayer. Staatsministe rium f ü r Landesentwicklung „V undorarlberg“ Umweltfragen Quelle: Wasserland Bayern, Bayer. Staatsministerium f ür Landesentwicklung und Umweltfragen Thomas Blank, Unit for water management Water-balance of Vorarlberg Water-supply: 1 % of precepitation Verbrauch 5 Werte in Mio m³/Jahr Thomas Blank, Unit for water management 4 Monitoring Surface water monitoring Legaly binding program for quality an quantity (precipitation, discharge) Thomas Blank, Unit for water management Monitoring Groundwater monitoring Legaly binding program for quality an quantity Thomas Blank, Unit for water management 5 Water-supply 70 % Groundwater 30 % Springwater No surfacewater! Structure: 81 Communities 3 Unions of Communities >100 Cooperatives Thomas Blank, Unit for water management Water protection Canalisation 95 % of Inhabitants (2009) Anschlussgrad an öffentl.Kanalnetze mit ARA bezogen auf die anschliessbaren Einwohner 100 90 80 70 % n i 60 d a r g s 50 s u l h c 40 s n A 30 20 10 0 1960196519701975198019851990199520002005 Thomas Blank, Unit for water manageJahrment 6 Water protection Wastewater Treatment 36 Treatment plants of Communities and unions of Communities (> 100 EW) Total capacity: ca. 1,5 mio EW Total costs 1960 –2009: 1,2 mrd € Thomas Blank, Unit for water management Water protection Water quality of rivers Thomas Blank, Unit for water management 7 Water protection Ecological structure of rivers in Vorarlberg Quelle: Umweltinstitut des Landes Vorarlberg, 1995 Thomas Blank, Unit for water management Water protection Restoration of rivers Example: Klausbach beforeafter Thomas Blank, Unit for water management 8 FloodFlood protection protection Flood 22./23.8.2005, Vorarlberg Thomas Blank, Unit for water management Flood protection C% C% C%C% C% C% C% C% C% C% C% C% Flood 22./23.8.2005, Vorarlberg C% Pegel HQn C% C% C% keine Daten C% C% C% keine Auswertung C% C% C% > HQ1 - HQ10 C% > HQ10 - HQ30 C% C% C% C% > HQ30 - HQ100 C% C% C% > HQ100 C% C% C% >> HQ100 C% C% Pegel - Strecken C% keine Daten C% keine Auswertung C% C%C% C% extrapoliert C% Pegel - Strecken keine Daten > HQ1 - HQ10 % > HQ10 - HQ30 C > HQ30 - HQ100 Thomas Blank, Unit for water management > HQ100 Thomas Blank, Wasserwirtschaft >> HQ100 9 Flood protection More place for rivers and flood !? Thomas Blank, Unit for water management Thomas Blank, Wasserwirtschaft Flood protection Total Costs Schutzwasserbau - Investitionen Vorarlberg 32 30 28 26 24 22 20 € o i 18 M 16 n i 14 12 10 8 6 4 2 0 7 8 9 0 1 2 3 4 5 6 7 8 9 0 9 9 9 0 0 0 0 0 0 0 0 0 0 1 9 9 9 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 2 2 2 2 2 2 2 2 2 2 Thomas Blank, Unit for water management 10 Water management Vorarlberg Main activities: Monitoring groundwater and surface water Water Supply: Technical adoptions, Protecting areas for springs Surface water quality, Wastewater treatment: Secure high level and technical standard, rest of canalisation Ecological status of surface waters: Big action program till 2027 Flood protection: Big action program till 2020 Thomas Blank, Unit for water management Content 1 Water management in Vorarlberg 2 International Water-management in the basin of Lake Constance 3 Alpine Rhine -International water management 4 International Commission for the Protection of Lake Constance IGKB 5 EU water framework directive Thomas Blank, Unit for water management 11 International Cooperation Water protection Lake constance: •Internationale Gewässerschutzkommission Bodensee IGKB, 1959 •International Comission for water protection of lake constance Flood Protection Alpine Rhine •Internationale Rheinregulierung IRR, 1892 •International Comission for Regulation of Alpine Rhine Water management of Alpine Rhine •International Regierungskommission Alpenrheins IRKA, 1995 Thomas Blank, Unit for water management •International Governement-Comission of Alpine Rhine International Cooperation Fishing: Internationale Bevollmächtigtenkonferenz für den Bodensee IBKF, 1893 Navigation: •Internationale Schiffahrtskommission f ür den Bodensee ISKB, 1975 Regional politics: •Internationale Bodenseekonferenz IBK, 1993 Thomas Blank, Unit for water management 12 Alpine Rhine Einzugsgebiet Alpenrhein und Bodensee D e u t s c h l a n d B a d e n - W ό r t t e m b e r g Alpine Rhine –Europe´s largest wild river N h c a b u a S ger Ach Wolfeg h c a t Singen o S c h a f f h a u s e n R Ravensburg ch n hlba e n ό s M ge s r A u re h nte c U Konstanz S Wangen i. A. Friedrichshafen Arg B en o Kreuzlingen d B a y e r n e n Catchment area: 6.300 km² T h u r g a u s eLindau e Bregenz St. Gallen Rorschach D o r A p p e n z e l l A u s s e r R h o d e n n b i rn e R r n h i A e e c i h h n e R r e t A p p e n z e l l I n n e r R h o d e n l A F States in the Alpine Rhine basin: ru Feldkirch t z Φ s t e r r e i c h Lutz n i e a h n R i m a Switzerland 4.690 km² 74 % S S c h w e i z Vaduz r fenz g e Al n vi e l A LiechM tenstein Vorarlberg Austria 1.400 km² 23 % Litz I l l Liechtenstein 157 km² 2,3 % S t. G a l l e n in a am L T an dq ua rt ein rh en Chur lp Pl Italy 49 km² 0,7 % G r a u b ό n d e n A essur H i n t e r r h e i n n g V l o G a l l s e e d G r e e R M l h g Legende i a e a A d i n lb n i u l e a R Einzugsgebiet R a g n d a F e r r G T e s s i n e elg ra ia Φsterreich Liechtenstein I t a l i e n Italien Originalmassstab 1 : 1 000 000 Schweiz Bodensee Einzugsgebiet 1001020Kilometer Siedlungsgebiete Gewδsserflδche Fliessgewδsser Datenquelle: Internationale Gewδsserschutzkommission fόr den Bodensee (IGKB). Kartographie: R. Obad, ISF Langenargen - Datenbestand: 03/2001. Thomas Blank, Unit for water management Alpine Rhine Discharge: Monthly means MQ 235 m³/s, minimum NQ 43 m³/s, HQ100 3100 m³/s Average annual sediment load: 2,5 Mio m³, 50.000 m³ gravel Water quality: Phosphorus 6 mg/m³, Nitrogen 1.1 mg/l, Chloride 5 mg/l Thomas Blank, Unit for water management 13 Alpine Rhine Main tributary of Lake Constance 100% 90% 80% 70% 60% 50% Other tributaries 40% 30% Alpine Rhine 20% 10% 0% Thomas Blank, UnitB for aswateri mnanagementQ-t otal N-total P-total 1996 1996 1996 Alpine Rhine International Commission for regulation of Rhine IRR Founded 1892, convention Switzerland -Austria Task: Regulation of river bed from inflow of ILL-river to Lake Constance Goal: flood protection for discharge of HQ100: 3.100 m³/s Thomas Blank, Unit for water management 14 Alpine Rhine International Government-Commission of Alpine Rhine IRKA Einzugsgebiet Alpenrhein und Bodensee Founded 1995 D e u t s c h l a n d B a d e n - W ό r t t e m b e r g N h c a b u a Member-States: Kanton St. Gallen, Kanton S h ger A c W o lf eg h c a t o S c h a f f h a u s e n Singen R Ravensburg ch n a e Graubünden, Liechtenstein, Land Vorarlberg όhlb n M s ge s r A u re h e n t c U Konstanz S Wangen i. A. Friedrichshafen Arg B en o Kreuzlingen d B a y e r n e n T h u r g a u s e Lindau e Bregenz Permanent working groups: river-regulation, St. Gallen Rorschach D o r A p p e n z e l l A u s s e r R h o d e n n b i r n R e r h n A i e e c i h h n e R r e t A p p e n z e l l I n n e r R h o d e n l river-and fish-ecology, groundwater, energy A F ru Feldkirch tz Φ s t e r r e i c h Lutz n i e a h i n R m a S c h w e i z S Vaduz nz g r Alfe n i e e l v A LiechM tenstein Vorarlberg Li tz I l 1998 action programme for sustainable l S t.