Water management in Vorarlberg, in Alpine Rhine and Lake ... · Skadar/Shkodra Lake Commission...

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1 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 Thomas Blank, Unit for water management Vorarlberg, Lake Constance, Alpine Rhine Rheinspitz Rohrspitz Rheinmündung Bregenz

Transcript of Water management in Vorarlberg, in Alpine Rhine and Lake ... · Skadar/Shkodra Lake Commission...

Page 1: Water management in Vorarlberg, in Alpine Rhine and Lake ... · Skadar/Shkodra Lake Commission 17.11.2009 Water management in Vorarlberg, in Alpine Rhine and Lake Constance basin

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Skadar/Shkodra Lake Commission17.11.2009

Water managementin Vorarlberg,

in Alpine Rhine and Lake Constance basin

Thomas BlankState governement of VorarlbergUnit for water management

Thomas Blank, Unit for water management

Vorarlberg, Lake Constance, Alpine Rhine

Rheinspitz

RohrspitzRheinmündung

Bregenz

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Thomas Blank, Unit for water management

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

Content

Thomas Blank, Unit for water management

Catchment areas in Europe

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Thomas Blank, Unit for water management

Rhine basin

Thomas Blank, Unit for water management

River-basins of Vorarlberg

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Thomas Blank, Unit for water management

Amount of water in Vorarlberg

„Burgenland“ „Vorarlberg“Quelle: Wasserland Bayern, Bayer. Staatsministerium f ür Landesentwicklung und Umweltfragen

„Burgenland“ „Vorarlberg“Quelle: Wasserland Bayern, Bayer. Staatsministerium f ür Landesentwicklung und Umweltfragen

Precepitation/year: 1900 mm

Thomas Blank, Unit for water management

Water-balance of Vorarlberg

Werte in Mio m³/Jahr

Verbrauch 5

Water-supply: 1 % of precepitation

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Thomas Blank, Unit for water management

Monitoring

Surface water monitoring

Legaly binding programfor quality an quantity (precipitation, discharge)

Thomas Blank, Unit for water management

Monitoring

Groundwater monitoring

Legaly binding programfor quality an quantity

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Thomas Blank, Unit for water management

Water-supply

70 % Groundwater30 % Springwater

No surfacewater!

Structure:81 Communities 3 Unions of Communities>100 Cooperatives

Thomas Blank, Unit for water management

Canalisation

95 % of Inhabitants (2009)

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1960 1965 1970 1975 1980 1985 1990 1995 2000 2005

Jahr

Ans

chlu

ssgr

ad in

%

bezogen auf die anschliessbaren EinwohnerAnschlussgrad an öffentl.Kanalnetze mit ARA

Water protection

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Thomas Blank, Unit for water management

Wastewater Treatment36 Treatment plants of Communities and unions of Communities (> 100 EW)

Total capacity: ca. 1,5 mio EW

Total costs 1960 – 2009: 1,2 mrd €

Water protection

Thomas Blank, Unit for water management

Water qualityof rivers

Water protection

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Thomas Blank, Unit for water management

Ecological structureof rivers in Vorarlberg

Quelle: Umweltinstitut des Landes Vorarlberg, 1995

Water protection

Thomas Blank, Unit for water management

Restoration of riversExample: Klausbach

before after

Water protection

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Thomas Blank, Unit for water management

Flood protectionFlood protection

Flood 22./23.8.2005, Vorarlberg

Thomas Blank, Unit for water management

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Pegel HQn%C keine Daten%C keine Auswertung%C > HQ1 - HQ10%C > HQ10 - HQ30%C > HQ30 - HQ100%C > HQ100%C >> HQ100

Thomas Blank, Wasserwirtschaft

Flood protection

Flood 22./23.8.2005, Vorarlberg

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Thomas Blank, Unit for water management Thomas Blank, Wasserwirtschaft

More place for rivers and flood !?

Flood protection

Thomas Blank, Unit for water management

Flood protection

Schutzwasserbau - Investitionen

02468

101214161820222426283032

1997

1998

1999

2000

2001

2002

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2004

2005

2006

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2008

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in M

io €

Total Costs

Vorarlberg

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Thomas Blank, Unit for water management

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

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

Content

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Thomas Blank, Unit for water management

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

•International Governement-Comission of Alpine Rhine

Thomas Blank, Unit for water management

International Cooperation

Fishing:Internationale Bevollmächtigtenkonferenz für den Bodensee IBKF, 1893

Navigation:•Internationale Schiffahrtskommission für den Bodensee ISKB, 1975

Regional politics:•Internationale Bodenseekonferenz IBK, 1993

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Thomas Blank, Unit for water management

Alpine Rhine Einzugsgebiet Alpenrhein und Bodensee

D e u t s c h l a n d

S c h w e i z

I t a l i e n

B a d e n - W ό r t t e m b e r g

B a y e r n

G r a u b ό n d e n

N

Originalmassstab 1 : 1 000 000

Datenquelle: Internationale Gewδsserschutzkommission fόr den Bodensee (IGKB).Kartographie: R. Obad, ISF Langenargen - Datenbestand: 03/2001.

A p p e n z e l l A u s s e r R h o d e n

A p p e n z e l l I n n e r R h o d e n

Siedlungsgebiete

GewδsserflδcheFliessgewδsser

T e s s i n

Einzugsgebiet

S c h a f f h a u s e n

Ill

Lutz

Rhe

in

Argen

Litz

Schu

ssen

Glog n

Alfenz

Frutz

Rot

ach

Landquart

Albu la

Me n

g

Untere Argen

Alte

r Rhe

in

Plessur

Alvier

Hinte rrhe in

Saubac

h

Ragn da Fer re ra

Dornbirner Ache

Wolfegger Ach

Valser Rhe in

Sam

ina

Rei

n da

Med

e l

Tam ina

Mόhlbach

Gelg ia

Rhein

Gelgia

A lpenrhein

Wangen i. A.

T h u r g a u

Konstanz

KreuzlingenB o d e n s e e

Ravensburg

Friedrichshafen

Φ s t e r r e i c h

Liechtenstein

S t. G a l l e n

Vorarlberg

St. Gallen

Vaduz

Feldkirch

Legende

Chur

Lindau

BregenzRorschach

10 0 10 20 Kilometer

Singen

Φsterreich

Liechtenstein

Italien

Schweiz

Bodensee Einzugsgebiet

Alpine Rhine – Europe´s largest wild river

Catchment area: 6.300 km²

States in the Alpine Rhine basin: Switzerland 4.690 km² 74 %Austria 1.400 km² 23 %Liechtenstein 157 km² 2,3 %Italy 49 km² 0,7 %

Thomas Blank, Unit for water management

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

Alpine Rhine

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Thomas Blank, Unit for water management

Alpine Rhine

Main tributary of Lake Constance

0%10%20%30%40%50%60%70%80%90%

100%

Basin Q-total1996

N-total1996

P-total1996

Other tributariesAlpine Rhine

Thomas Blank, Unit for water management

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

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Thomas Blank, Unit for water management

Alpine Rhine

International Government-Commission of Alpine Rhine IRKAFounded 1995

Member-States: Kanton St. Gallen, Kanton Graubünden, Liechtenstein, Land Vorarlberg

Permanent working groups: river-regulation, river- and fish-ecology, groundwater, energy

1998 action programme for sustainable developement of Alpine Rhine

Goals: Flood protection, ecological restoration, stabilisation of groundwater level, explore sources of energy

Einzugsgebiet Alpenrhein und Bodensee

D e u t s c h l a n d

S c h w e i z

I t a l i e n

B a d e n - W ό r t t e m b e r g

B a y e r n

G r a u b ό n d e n

N

Originalmassstab 1 : 1 000 000

Datenquelle: Internationale Gewδsserschutzkommission fόr den Bodensee (IGKB).Kartographie: R. Obad, ISF Langenargen - Datenbestand: 03/2001.

A p p e n z e l l A u s s e r R h o d e n

A p p e n z e l l I n n e r R h o d e n

Siedlungsgebiete

GewδsserflδcheFliessgewδsser

T e s s i n

Einzugsgebiet

S c h a f f h a u s e n

I l l

Lutz

Rh e

in

Argen

Litz

Sch

usse

n

Glogn

Al fenz

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hein

Sa m

ina

Rei

n da

Med

el

Tamina

Mόhlbach

Gel gia

Rhein

Gelgia

Alpenrhein

Wangen i. A.

T h u r g a u

Konstanz

KreuzlingenB o d e n s e e

Ravensburg

Friedrichshafen

Φ s t e r r e i c h

Liechtenstein

S t. G a l l e n

Vorarlberg

St. Gallen

Vaduz

Feldkirch

Legende

Chur

Lindau

BregenzRorschach

10 0 10 20 Kilometer

Singen

Φsterreich

Liechtenstein

Italien

Schweiz

Bodensee Einzugsgebiet

Thomas Blank, Unit for water management

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

Content

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Thomas Blank, Unit for water management

Lake Constance

Facts:Total surface area 571,5 km2

Maximum depth 254 mVolume 48,5 km3

Overall lengt 63 kmOverall width 14 kmMean outflow ca. 370 m³/s

No national borders!

Member-states IGKB:Baden-Württemberg, Bayern, Schweiz, Österreich, (Liechtenstein)

Contract 1959

Thomas Blank, Unit for water management

Lake Constance

International Comission for water protection of lake constanceIGKB – Mandate:

• Protection of the Lake Constance ecosystem• Observation of the state of the lake• Investigation of the causes of its pollution• Recommendation of coordinated preventive measures• Discussion of planned utilization of the lake

The riparian countries have to consider carefully the protectionmeasures that are recommended by the commission. Thesemeasures should be carried out according to their national laws

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Thomas Blank, Unit for water management

IGKB:

Main goal is reached:Reduction of P 1983 > 80 mg/m³since 2007: 8 mg/m³

Present Task: Secure good status of water quality, Structure of border, micro-pollutants,amount of harbours and boats,…. 0

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P-GehaltZuflüsse1.341 t/a

620 t/a

196 t/a

1.108 t/a

- Phosphorkonzentration im See (mg/m³)- Phosphorfracht in den See (t/a)

Lake Constance

Thomas Blank, Unit for water management

Lake Constance

Lessons learned – good experience:

All countries agreed in 1959 to the goal: improvement of water quality!

Common agreement on technical guidelines for wastewater treatment

Common political will to do the high investment - 25 years without success!

Wastewater Treatment and investment in the beginning without any national law –even in the whole catchment area!

National transposition of all decisions of the comission!

All countries speak the same language and have the same economic interests (tourism, recreation for inhabitants, water supply)!

Good personal contact of the experts because of periodical meetings (5/year)

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Thomas Blank, Unit for water management

Lake Constance

Lessons learned – critical discussions:

Different transposition of technical guidelines: national law or only national guideline

Different speed of transposition of measures: canalisation and wastewater treatment

In the 1990s discussion about emission-requirements for wastewater treatment: Phosphorus: 3 or 5 mg/m³

After reaching the P-goal discussion about the need of the comission

Permanent discussions with fishermen since 1995: „The lake ist too clean!“

Thomas Blank, Unit for water management

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

Content

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Thomas Blank, Unit for water management

Legal transposition Dez. 2003

Documentation of present status Dez. 2004

Monitoring program Dez. 2006

River management plan Dez. 2009

Good status 201520212027

Timetable:

EU Water framework directive WFD

Thomas Blank, Unit for water management

EU Water framework directive WFD

Result of international cooperation before WFD

Good international organisations, good experience in whole catchment area

Good monitoring data and international information about data

Good water quality in (almost all) rivers and Lake Constance

Protection of all waters (ground water and surface water) in the whole catchment area because of national law

Ecology of surface waters ist an important theme in main international commissions (IGKB, IRKA)

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Thomas Blank, Unit for water management

EU Water framework directive WFD

thematic geographic

Protection surface w.

Protection ground w.

Flood protection D A FL CH I comply

IBKF ++

ISKB +/-

IGKB --

IRR

IRKA

Integral water management in Lake Constance basin –assessment of international commissions

Thomas Blank, Unit for water management

EU-WFD

Water qualityPresent status2003 %U%U

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5 0 5 10 15 Kilometer

Originalmassstab 1 : 500 000

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B a d e n - W ό r t t e m b e r g

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ZeichenerklδrungGewδssergόte

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gemδί 5.4.1 des Gliederungsvorschlages

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zugleich HauptstadtStδdte

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*) Die Methode fόr die stoffliche Belastung in der Schweiz ist im Aufbau

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Thomas Blank, Unit for water management

EU-WFD

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Bearbeitung und Kartographie: Dipl.-Ing (FH) R. Obad, Friedrichshafen.Stand: 01 / 2003

Originalmassstab 1 : 500 000

5 0 5 10 15 Kilometer

B o d e n s e e

digital vorhandene Teileinzugsgebiete (> 100 km²)

Administrative Grenzen

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LandkreisKonstanz

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stark beeintrδchtigtwesentlich beeintrδchtigtmδί ig beeintrδchtigtnaturnahnatόrlich

Fόrstentum Liechtenstein

stark beeintrδchtigtwenig beeintrδchtigt

Strukturφkologie

gemδί 5.4.2 des Gliederungsvorschlages

Flussgebietseinheit Rhein - Bearbeitungsgebiet Alpenrhein-BodenseeIst-Situation - morphologische Belastungen

N

naturfremdnaturfern

Staaten im Bodensee-Einzugsgebiet

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Staaten im Bodensee-Einzugsgebiet

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Morphologische BelastungenLeiblach (Bayern)

Morphologische BelastungenLeiblach (Vorarlberg)

M 1:100 000 M 1:100 000Ecological qualityPresent status2003

Thomas Blank, Unit for water management

EU-WFD

Waste water treatment plants2003

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Thomas Blank, Unit for water management

EU-WFD

International plan of measurement 2009

Living space forTrout of Lake Constance„Salmone of LC“

Thomas Blank, Unit for water management

Water protection

National watermanagement plan2009

Ecological status

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Thomas Blank, Unit for water management

National watermanagement plan2009

Measures 2015

Water protection

Thomas Blank, Unit for water management

What ist new for us?

… a lot of work for administration!

Goal of „good status“ with specific requirements for good chemical and ecological satus.

Definition of date for reaching the goal (2015 – 2021 – 2027).

Reporting requirements.

New qualitiy of international coordination (monitoring, measures).

è Same requirements in whole europe!

EU - Water framework directive

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Thomas Blank, Unit for water management

Water management in Vorarlberg

www.vorarlberg.at/wasserwirtschaft

www.igkb.org

www.alpenrhein.net