This report aims to give an indication of the total length of service connection pipes for water, sewerage and stormwater in Sweden divided into public and private pipe lengths. The length of the publicly owned main system for water and wastewater are generally well documented by the municipalities while the service connections are primarily only compiled by number, not the lengths.This report has been put together by RISE Research Institutes of Sweden on behalf of the Swedish Water Development.The service pipe lengths have been produced by estimating key figures for the lengths per type of property and the total amount of each such type of property, summed up to total service pipe lengths for all of Sweden. The result is presented separately for water, sewage water and stormwater pipe lengths and also into public respectively private owned. Sweden’s buildings can be divided into different types of housing according to the assessed unit types: single-family homes, townhouses (including semi-detached), multi-family houses and other buildings such as for operations and community services. Key figures for these building types were compiled using appropriate “study sites” for the purpose of the report. The study sites were extrapolated to the whole of Sweden by multiplying the service pipe length per property with the number of such properties in Sweden.The result shows that there are 25 500 km water, 24 000 km sewage water and 152 000 km stormwater private service pipes in total in Sweden. The length of the publicly owned service pipes is 6 400 km water, 6 800 km sewage water and 4 200 km stormwater. The private water and sewage water service pipes correspond to almost 25 % of the entire water and sewage pipe network respectively. The private stormwater service pipes constitute almost 80 % of the entire stormwater pipe network. This means that the private service connection pipe lengths constitute about half of the total pipe system in Sweden.The key figures for each property category presented in the results section of this report can be used by each municipality to make their own assessment of the service connection pipe length.With this assessment of the service pipe lengths, the proportion of water losses often termed “Unavoidable Average Real Losses” difficult for the municipalities to trace, is also possible to assess. The results from this report imply that the privately owned service connections contribute to half of the inevitable water losses in Sweden.The replacement value for the private service connections in total in Sweden is estimated to over 200 billion SEK.