Pumping station Think H2O! is a course about water Two modern, top and water issues for teachers and their quality Water Works Reservoir upper secondary school students aged Sydvatten owns and ope- Waterworks between 17–19. Sydvatten offers a rates the Bolmen Tunnel, Raw water tunnel/ pipe scholarship for a two-day stay at Lake the two Ringsjö and Vomb Bolmen with a mix of course activities Water Works, as well as the water Drinking water pipe – workshops, lectures, role-play, experi- mains system for the distribution of Planned drinking water pipe ments, canoeing, camping and outdoor drinking water. cooking, all activities focus on water. The water mains network is com- Think H2O! started up in May 2014 prised to a large extent of dual pipes, and the plan is to educate 600 students this ensures a high level of delivery Sydvatten AB – Southern Water Supply a year. reliability. Water from the Water Works is The rights to use the lake water supplied to connection points in each All drinking water produced by Syd- municipality. The municipality is vatten is taken from Lake Bolmen in then responsible for the distri- Raw water tunnel Sydvatten – collaborating for public welfare Småland and The Vomb Lake in Skåne. bution of water to the end Sydvatten AB is a municipally owned company producing drinking water for 900,000 inhabitants Should a problem arise regarding water customer. supplies, it is possible to draw water Approximately 75 million in the region of Skåne. The Company was founded in 1966 and is today one of Sweden’s largest from a reserve supply from Lake Ring- cubic metres of water are pro- producers of drinking water. sjön in Skåne. The water-rights regula- duced each year – corresponding tions for each respective lake determine to about 2,400 litres per second. The mission of the company is to pro- that water from Lake Bolmen shall be integrated with national and interna- the maximum quantity of water that The drinking water fulfils all quality cess and distribute drinking water of a utilised at the Vomb Plant; this is a deci- tional stakeholders, organisations and may be drawn. The quantities drawn requirements by a very wide margin, high and consistent quality. Sydvatten sion of great strategic importance. associations. by Sydvatten are far below the specified thus ensuring Sydvatten can maintain Raw water pipe supplies drinking water to 16 joint- Sydvatten is a member of the Euro- Investing in development limits. a high level of safety for water delivery owner municipalities in Skåne. pean Benchmarking Co-operation, a and accessibility. Interaction in a regional company cre- forum where water and wastewater Sydvatten agreements ates prerequisites for long-term com- companies annually report relevant key Sydvatten is managed by a board made mitment and strategic development. figures regarding parameters relating to Our business concept Production objectives up of representatives of the 16 munici- Sydvatten has taken the initiative the industry. Members meet annually Sydvatten guarantees safe and high qua- Sydvatten’s joint-owner municipalities palities of , Burlöv, Eslöv, Helsing- to create a research company, Sweden to discuss results, share experiences and lity drinking water supplies to its owner and customers are to receive a reliable borg, Höganäs, Kävlinge, , Water Research, in order to meet future get updates on current topics within municipalities and other municipalities. supply of consistently safe, high-quality , , Malmö, , Staf- demands. Sweden Water Research water and wastewater issues. By coordinating strategic perspectives, drinking water, and should never need fanstorp, Svalöv, , and combines expertise from the R & D The regulatory document for competence levels and financial resour- to be affected by unscheduled stopp- Ängelholm. The company’s terms and departments from Sydvatten and the Sydvatten AB states that the company ces, together with a strong emphasis ages. conditions are regulated by a consor- two regional water distributors NSVA shall further enhance public welfare by on our responsibilities as owners and tium agreement. Its regulations stated and VA SYD. Combined R & D enable promoting communication about tap towards the inhabitants, we benefit the in its Corporation Charter. the management of skills support, long- water and by emphasising the value and general greater public good. As a corporation solely owned by the term operational development and qua- high quality of Swedish tap water. As a municipalities, Sydvatten believes that lity objectives. Sweden Water Research, result the scale and nature of the Drink working together as an organisation for among many other things, ensure the Technical specifications the benefit of common public welfare, prospect of sustainable and emission- Water catchments Drainage area Lake Water drawing is fundamental. The corporation’s aim free drinking-water production. Its km² km² surface rights - litres/sec Economic and financial objectives is to promote and benefit the growth of R & D and innovation entities aim to Bolmen 1,650 184 6,000 Based on the prerequisites and the level of quality the public water sector and to contri- expand in combination with other Ringsjön 400 41 1,125 of organisation, costs set for the owner municipa- bute towards the further-development stakeholders, but also to actively imp- Vombsjön 450 12 1,500 lities must be calculated at a level which is both of the municipalities involved. The aim lement its development plans within Water processing plants reasonable and substantiated. is not to maximise profit but rather to its own organisation. The research is Bolmen Tunnel: length 80 km, area 9 m² Changes in costs must as far as possible be ultimately benefit public welfare. Tap Water project that Sydvatten is Pipes: diameter 900–1400 mm, 35 km offset within the organisation. Cost adjustments must be considered as part Sydvatten works constantly to ensure conducting, is unparalleled in Sweden. Water purification the supply of drinking water to its Drink Tap Water is a collaborative pro- of the running of the organisation and therefore Plants Processing Capacity justified by changes within the company or by municipalities. Working with climate ject between Sydvatten and its owner Vomb Filtration and water softening 1,500 litres/sec analysis and raw water strategy for Skåne municipalities, aimed at pupils aged Ringsjö Chemical residue and slow filters 2,400 litres/sec altered prerequisites as regards the management are important future issues for Sydvatten of the organisation. between 12 and 16. Drinking water mains in order to secure the municipalities’ Think H2O! results from collabora- Mains: diameter 800–1400 mm, 185 km water supplies, from a long-term and tion with the University of Lund and Branch water mains: diameter 150–700 mm, 140 km sustainable perspective. Sydvatten works aims to promote knowledge of the 3 3 to establish water protection areas in value of water among young people, as Average price of water 3,46 SEK/m , 0.36 EURO/m order to increase the protection of well as increase young people’s aware- Sydvatten has a total of 80 employees. raw water sources. The establishing of ness, knowledge and understanding of redundancy of both raw water and drin- the challenges surrounding water. With king water in the whole of Sydvatten’s this project Sydvatten also aims to en- Contact details Phone: +46 40 35 15 50 Managing Director Security and Quality Manager supply system, is an ongoing process. sure competence in the water industry Sydvatten AB [email protected] Jörgen Johansson Stefan Johnsson In order to reach a sustainable supply of for the future. Hyllie Stationstorg 21 www.sydvatten.se Direct/mobile: +46 40 35 15 51 Direct/mobile: +46 40 35 15 61 water in the future, it has been decided 215 32 Malmö [email protected] [email protected] Sweden This is how we produce drinking water at the Water of high quality is taken from Lake Bolmen more than 100 kms away Ringsjö Water Works from Ringsjö Water Works.

Ferrous Chloride Flocculation basins Lamella sedimentation Rapid sandfilter Slow sand filter UV light High pressure pumps

From Lake Bolmen

1,400 litres per second The water is then filtered through the rapid The water is finally The Ringsjö Water Works produces on average sand filters to remove the remaining flocks. illuminated with UV light 1,400 litres drinking water per second. The From the intake station at Bolmen In the first stage of the water Sludge At this point the taste and smell of the to remove any remaining drinking water is pumped to several cities the water is first transported through treatment, ferrous chloride is water has improved and microorganisms are microorganisms. The UV in Skåne such as Bjuv, Eslöv, , a tunnel 80 km long. This takes added to the water to separate removed when the water passes through plant is the latest addition Höganäs, Kävlinge, Landskrona, around eight days. After which, the the organic matter from the the slow sand filters. to the Ringsjö Water Lomma, Lund, Malmö, Staffans- water is transported a final stretch water. The organic matter and The flocks are separated using The sludge is deposited today, but Works and it will be put torp and Svalöv. through a 25 km long pipe, before it the iron aggregate, and build lamella sedimentation and settle the aim is to find solutions to recycle into operation in 2016. reaches the Water Works. flocks in the flocculation basins. as sludge to the bottom of the the sludge in other processes, in the sedimentation basins. future.

In Sydvatten’s laboratories continuous tests are carried out for analyses of After adjusting the pH and alkaline levels (using limewater Lake Bolmen water is very soft. This means it requires water according to Sweden’s National Food Administration norms for good and carbonic acid) a small amount of disinfecting agent is less washing powder and less detergent. Which is a drinking water. Furthermore regular water samples are taken for testing by added, before the finalised drinking water is pumped out bonus for the environment and one’s budget. independent, accredited laboratories. to households and industry.

This is how we produce drinking water at the Water is pumped from The Vomb Lake to micro-strainers where particles, mud and reeds are removed. The water is then channelled into 54 constructed infiltration basins Vomb Water Works covering a total surface area of 400,000 square metres.

Mixing chamber

Wells

The Vomb Infiltration Softening Lake Aeration reactor Rapid sand filters Water Reservoir

Softened water The water seeps slowly through Granules of High Pressure Pumps the alluvium of gravel and sand precipitated lime to a natural groundwater storage level. This process is called artificial NaOH Hard groundwater infiltration. water 1,000 litres per second

After two to three months The water is aerated to remove iron and manga- After the softening reactors, Before the drinking water is pumped out to The Vomb Water Works produces on average the water is pumped up nese and then treated in the softening reactors to the water is combined in the the pipe network, a secondary disinfectant is 1,000 litres drinking water per second. The from one of the 114 wells remove calcium ions, by adding sodium hydroxide. mixing chamber with a minor added to the water to prevent micro bacterial drinking water is pumped to several cities in and into the Vomb Water The calcium ions in the hard water are precipitated dosage of ferrous chloride, to activities in the pipe network. Skåne such as Burlöv, Lund, Eslöv, Malmö, Works for final processing. as lime on grains of sand and soft water is released bind the remaining lime crys- , Svedala and Vellinge at the top of the reactor. The grains of sand con- tals together in flocks. These taining precipitated lime, sink to the bottom of the are then removed in the next reactor, and are then removed. stage using rapid sand filters.

In Sydvatten’s laboratories continuous tests are carried out for analyses of water according to Lime from the softening process is collected, sent The softening of the water makes it possible to use reduced amounts of washing powder and Sweden’s National Food Administration norms for good drinking water. Furthermore regular for recycling and used as an additive to improve detergents. Furthermore limescale deposits are reduced in pipes and household appliances. water samples are taken for testing by independent, accredited laboratories. the water quality of lakes and forests. The softening plant at the Vomb Water Works is one of Sweden’s largest.