Key technology and operation data

Here you will find some useful performance figures for the water supply and water removal operating sectors. If you require further information, we recommend that you click on our company reports.

Water Supply

		2010	2009	2008	2007	2006
Waterworks		9	9	9	9	9
Works' capacity	1000m³/d	1,100	1,100	1,140	1,140	1,140
Water delivery	million m³/annum	203	201	201	200	209
Water sales	million m³/annum	193	192	193	193	202
Pipeline network	km	7,886	7,889	7,888	7,875	7,857
House connections	1000 pieces	277	279	271	267	262

Waste Water Desposal

		2010	2009	2008	2007	2006
Property connections	1000 pieces	267	269	264	260	254
Wastewater treatment plants		4/6	4/6	4/6	4/6	4/6
Wastewater treatment	million m³	233	227	228	233	224
Sewerage services	million m³	204	204	205	205	209
Sewers
Sanity sewers	km	4,309	4,294	4,272	4,237	4,206
Combined sewers	km	1,915	1,915	1,914	1,904	1,908
Stormwater sewers	km	3,279	3,264	3,252	3,230	3,218
Special sewers	km	68	68	68	68	68
total	km	9,571	9,541	9,506	9,439	9,400
Sewage pump stations	amount	150	150	148	147	147
Force mains network	km	1,154	1,173	1,146	1,132	1,127

*  own sewage treatment plants and two plants with operation management of Berliner Wasserbetriebe