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[Waterworks] City Presentation – Rosenheim(Germany)

등록일 2014-07-28 글쓴이 scaadmin

City Presentation – Rosenheim(Germany)

1. Bavarian Water management - Matthias Worst
2. Main topics - Bavaria, Structure of the Water Management Organisation, Water ressources, Wassersupply, Wastewater Treatment, Protection from water risks
3. Bavaria in Europe
4. Federalistic Prinziple - delimitation of resposibility
5.

State territory and population in Bavaria *
Comarison 
South Korea
Population
12,5Millionen
50 Mio.
per ㎢
178
489
Area
70.550㎢
99.392㎢
thereof

Agricultural area
49,5%

Forrest
35%

Water expanse
2%

Settlement- and traffic area
11,2%

other area's
2,3%

6. Water Management Figures

Germany
Bayern
area
357,000 ㎢
70,548㎢
inhabitants
82.5 Mio.
12.5 Mio.
communities
11,191
2,056
Water supply
connection rate public drinking water
99%
99%
public water supply
5,399 Mio. ㎥/a
903 Mio. ㎥/a
number of public water supplier
6,211
2,412
Wastewater disposal
conncetion rate public wastewater treatment plants
96%
96.4%
length public sewers
c. 515,000 km
c. 95,000 km
number of public wasterwater treatment plants
9,994
2,694
total capacity of wastewater treatment plants
150 Mio. PT
27 Mio PT

7. Water management Organisation on federal state level example Bavaria

8. Main topics - Bavaria, Structure of the Water Management Organisation, Water ressources, Wasser supply, Wastewater Treatment, Protection from water risks

9. Regional principle

10. Potable water procurement facilities
public water supply in Bavaria
Wasser supply is a municipal duty!
- 2056 municiplities
- 2.405 water companies
- 3414 water catchment plants
ca. 10,000 wellsand springs

11. Public water supply in Bavaria

 wells and springs 10.000
 water catchment plants 3.414
 water companies 2.405
 municipalities 2.056

Size of WC in Mio. ㎥/a

12. Long Distance Water Supply
75% of the water companies supply less than 4500 inhabitants but there are as well big linked systems of associations

13. Raw Water Sources
2010 in total app. 884,2 Mio. ㎥

ground water (wells) 72.6%, surface water 2.6%, surface water after bank filtration 7.1%, ground water (spring) 17.1%

Germany 2006 (5.3Mrd. ㎥)
Ground water : 66.5%
Spring water : 7.8%
Surface water and bank filtrate : 25.7%

14. Water consumption in GErmany
entwicklun des personenbezogenen Wassergebrauchs in Deutschland
Angaben in Litern pro Einwohner und Ta, bezogen auf Haushalte/ Kleingewere

15. Pro-Kopf-Wassergebrauch im euro

16. Loss of water in the public network

17. Drinking Water Protection Zones 
Wasser-Schutzgebiet

ⅰ: 10-20 m round the well, fence
ⅱ: protection against dangerous MOs
ⅲ: protection against chemicals

18. water management characteristics 
water supply/ ground water protection

 rd. 2,400 water distribution companies (WVU), (NRW : 600WVU on 18 Mio. inhabitants)
 4.5% of Bavaria are water protection area (Germany everage 11.7%)
 app. 3,400 protected water catchment areas
 app. 3,400 water catchment plants
 app. 9,500 wells and springs (used)
 nearly 99% connection rate on public water supply
 app. 900 Mio. ㎥ excavated potable water in Bavaria(2010)

19. Main topics - Bavaria, Structure of the Water Management Organisation, Water ressources, Wassersupply, Wastewater Treatment, Protection from water risks

20. Structure of the waste water discharge in Bavaria (status 2010)

 Municipals wwtp's : 2,694 plants with 27 Mio. Pt
 Connection rate : 96% (long term 97%)
 85,000 km sewer
 Private waste water treatment plants : last app. 150,000 plants on app. 750,000 inhabitants longterm app. 100,000 plants on app. 400,000 inhabitants

21. Public waste water treatment plants in Bavaria (2010)

Total Population equivalent
Number
 less than 1,000 PT
1,296
 1,000 PT bis 5,000 PT
800
 5,001 PT bis 10,000 PT
221
 10,001 PT bis 100,000 PT
341
 more than 100,000 PT
36
Total
2,694

- natural waste water treatment plant
- technical waste water treatment plant

Design capacity (total number of inhabitants and population equivalent PT) : 27 Mio. PT

connection rate to public systems : 96%

22. Types of WWTP

Type
no.
PT
Waste water lagoons
683
224,865
Waste water lagoons with secondary treatment
292
400,567
Waste water lagoons, aerated
186
302,637
large-sale treatment plants(min. secondary treatment)
1,078
24,981,884
constructed wetlands
46
8,667
rotating biological contactors
149
118,665
trickling filters
199
873,569
small biological WWTP
100,000
400,000

23. Sewer Length

24. Level of Treatment

25. Waste water desinfection at Isar river

26. sozial function of waters

27. Success of the water protection - Biological Water Quality (Organic Load)

28. New water quality assessment 
Surface water status = Ecological status + Chemical status

Biological Quality Elements for Rivers
1. Fish fauna
2. Small aquatic animals (macro zoo-benthos)
3. Free flowing algae (phytoplankton)
4. Water plants and sessile organisms (macrophytes and phytobenenthos)

29. Classification of the Ecological Status
Five classes with colour codes

30. Water management characteristics 
sewage disposal/ water protection

 More than 85,000 km municipal sewer, there of 16% in need of rehabilitation ; private sewer minimum with the same length
 95% of the population are connected on more than 2700 waste water treatment plants on treatment of municipal waste water
 Volume of waste water app. 1.9 billion ㎥/a
 More than 700 Industries treat their waste water at own facilities (direct discharger)
 app. 100,000 private wastewater treatment plants
(equipped with a biological treatment technology)

31. Watercountry Bavaria

City Presentation - Rosenheim(Germany) from shrdcinfo

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