© Federal Statistical Office of Germany, Birgit Hein, Head of division for environmental statistics Wien, 21.06.2005 Folie 1 1. Introduction: Water and

© Federal Statistical Office of Germany, Birgit Hein, Head of division for environmental statistics Wien, 21.06.2005Folie 1

1. Introduction: Water and waste water situation in Germany

2. Procedures, contents of the waste water statistics in Germany

3. International Reporting on waste water (e.g. Joint Questionnaire)

4. Problems to fulfill the requirements

Contents of the presentation


The German river basin districts according to theWater Framework Directive

1.) Introduction: Current data


River Basin Districts

PopulationTotal area

WaterResources

Intensity ofwater use

Waste water discharge

millionkm2 in Mrd. m3

m3 per inhabitant m3 per km2

Donau 9 403 56 270 51 7,2 371 62 007

Rhein 36 751 105 510 83 22,3 483 168 093

Weser 9 469 46 100 14 38,2 546 112 174

Elbe 18 541 97 455 27 33,4 434 82 520

Little Districts 8 276 51 685 12 11,6 113 18 086

Total 82 440 357 020 188 20,2 429 99 077

Key data:


Rain-laden climate: precipitation 779 mm


Water extraction and waste water discharge, 2001

mn m3

Water extraction Waste water discharge into

water bodies 1

total including total treateduntreate

d

Economic sector ground

and waste waste

spring water water water

Public water supply and 5 409.0 4 010.710

523.310

473.4 49.9

waste water disposal

Mining and quarryring, 7 760.3 2 150.5 5 744.5 890.9 4 853.6

manufacturing

Thermal power stations for

24 837.0 42.5

24 323.8 46.0 24 277.8

public supply (includes cooling water

Total38

006.2 6 203.840

591.611

410.3 29 181.3

1) Incl. foreign water and precipitation water from the sewage system, excl. unused water.



Waste water generated by different sectors (mn m3)

4.853,6

24.277,829.181,3

10.473,4

11.410,3

49,9

46,0

890,9

0,0

10.000,0

20.000,0

30.000,0

40.000,0

50.000,0

Urban waste waterdisposal 1)

Mining and quarryring,manufacturing

Thermal power stationsfor public supply

Total

untreated waste water treated waste water

1) Incl. foreign water and precipitation water from the sewage system



Waste water generation in the river basin districts

(bn m3) in 2001

0

5

10

15

20

Donau Rhein Weser Elbe Little districts

Treated w aste w ater Untreated w aste w ater



Waste water treated in urban treatment plants (m m 3)

0 000

2 000

4 000

6 000

8 000

10 000

12 000

1991 1995 1998 2001

Primary Treatment Secondary Treatment Tertiary Treatment

bn m3

0,1 %

54 %

39 %

7 %

3 %

15 %

82 %

95 %

1 %

7 %

92 %

5 %



Population connected to urban waste water treatment (2001)

75,0

80,0

85,0

90,0

95,0

100,0

Donau Rhein Weser Elbe Kleine FGE



Disposal of waste water generated by the domestic and the industrial sector through urban waste water collection systems and treatment plants

run by municipalities or companys (governmental or private) Discharge and treatment

of waste water

by the industrial sector

Statistic on public water supply andurban waste water disposal (§ 6 UStatG)

Statistic on water use and waste water disposal by mining, quarrying,manufacturing industry (§ 7 UStatG) and by production of electricity (§ 9 UStatG)

2.) Procedures, contents of the waste water statistics in Germany Structure of waste water management and statistics


6 P:independent waste water disposal

(municipalities, 13 364)

-Population without connection to urban waste water collecting systems including connection to small sewage treatment plants and discharge less pits

-Population connected to urban waste water collection systems without treatment

6 S: urban sewerage

(municipalities or companies, 7 159)

-Kind, length and year of construction of the sewerage network-Number and storage volume of the sewage system for rainwater

-Ways of transmission for the collected waste water including (volume)+ transmission to urban waste water treatment plants+ direct discharge into environment (including the location)+ transmission to industrial treatment plants

-Population connected to industrial treatment plants

6 K:urban waste water treatment

(municipalities or companies, 10 188)

-Kind of waste water treatment:primary, secondary, tertiary treatment

-Connected population (number and actual occupation in terms of inhabitant equivalents, BOD)

-Design capacity in terms of inhabitant equivalents, BOD-Volume of waste water per year-Location of discharging into water bodies-Concentration of selective emissions -Number of plants and storage volume of the sewage system for rainwater

-Sewage sludge production, treatment and disposal (tons of dry solids)

2.) Procedures, contents of the waste water statistics in Germany Statistic on urban waste water disposal


2.) Procedures, contents of the waste water statistics in Germany Statistic on industrial waste water disposal

7 A / 9 A:Part IV Waste water generation and discharge

-Origin of waste water (cooling or production processes)-Transmission to + urban waste water collecting systems and treatment plants+ own industrial treatment plants + other external industrial treatment plants

-direct discharge into environment (including the location) and concentration of selective emissions

7 B / 9 B: Waste water treatment

-Kind of waste water treatmentprimary, secondary, tertiary treatment and special procedures

-Transmission to+ urban waste water collecting systems and treatment plants+ other external industrial treatment plants

-Transmission to another own industrial treatment plant -direct discharge into environment (including the location) and concentration of selective emissions

-Sewage sludge production, treatment and disposal (tons of dry solids)

Respondents: units of mining, quarrying, manufacturing and production of electricity (2001: 10 548)


3.) International Reporting on waste water (e.g. Joint Questionnaire)

Table 4: National population connected to waste water treatment plants

+ everything is available up to one position- not available: independent waste

water collecting system including secondary treatment

Table 5: Treatment capacity, in terms of BOD for the different types of treatment

Table 6: Sewage sludge production and disposal (volume and tons of dry solids) for the different types of treatment


3.) International Reporting on waste water (e.g. Joint Questionnaire)

Table 7: Part I - VolumeWaste water generation by point sources (different sectors) and non point sources

+ data are available for most of the industrial sectors

- no data from agricultural sector or construction sector

- no data for non point sources

Waste water discharged by type of collecting system

+ most of the data are available - no delivery of data on waste water

reused and for the detailed positions of waste water generated by the domestic sector

Table 7: Part II - BOD, COD, Suspended Solids, N-Tot, P-Tot, As, Population Equivalents, selected hazardous substancesfor the same classification than in part

- data are only available on effluents of urban treatment plants for COD, N-Tot und P-Tot



General reasons:

• For collecting new data a modification of the law is necessary

• The long tradition hinders modification

• Actually the politics plan to reduce the „statistical burden“ for enterprises

• „ Länder“ also collect data, this results in double surveys parallel to the statistics

- Water politics are primarily in their hand

- The European Commission requires data, e.g. Urban Waste Water Directive“

• Other additonal data collection: Environmental agency; EPER

• Data collection is conducted only every three years

• Some sectors are not included (services, contstruction, agriculture)

• Overlapping parts are difficult to report while the statistics are subdivided in two parts


4.) Problems

Institutions in charge

Federal governement

Federal ministry of environment

Federal environment agency

16 „Länder“ (states)

Ministries of environment

Regional Environment agencies

Regional authorities

Federal statistical office

Federal environment agency

Federal agency for Water Protection

German meteorological agency

Regional statistical offices

Regional Environment agencies

Regional authorities

Wastewaterpolicy

Data collection

Several associatons



Specific reasons

• Degree of detailing is particular very high, but

• the political need is not clear

• the tables are often organized from a more theoretical point of view

• Deviation of definitions

• Concentration of the priority data

• Extension of the use of other databases (UGR, EPER)

• Improvement of coordination between the different requirements

(primarily within the EU)

Conclusion


POINT SOURCES: Agriculture

Industrial Activities (WW_5)•Mining and quarrying•Manufacturing Industry•Prod./Distr. Electricity•Construction

Domestic Sector (WW_4)•Other activities•Households

NON-POINT SOURCES:• Run-off rainwater• Agriculture• Atmospheric deposition

Urban Waste Water Collecting

System

IWWTP

WW 6.3WW 4.1

WW 5.2.2

WW 7.1

WW 4.2.2

WW 6

WW 6.1

WW 5.2.1

Waste water loading scheme

UWWTP

WW 4.2.1

WW 7.2

Independenttreatment

INLAND

WATERS

Rainwater run-off from paved area, infiltration and drainage into collecting system

Drainage from soils, direct transfers etc.

WW 5.2

WW 4.2

WW 5.1

WW 7

WW 6.2

Documents

© Federal Statistical Office of Germany, Birgit Hein, Head of division for environmental statistics Wien, 21.06.2005 Folie 1 1. Introduction: Water and