The official selection process for choosing the companies that will develop two large Bulgarian lakes - Luda Yana and Plovdivtsi - has been approved by the Ministry of Regional Development and Public Works and will take place in a fortnight, Stroitelstvo Gradut has reported.Companies interested must submit their applications for Luda Yan by 2pm on May 11 2009 and for Plovdivtsi lake by 2pm on May 18 2009.The financial resources required for both projects have been allocated by the World Bank's Municipal Infrastructure Development project fund.The major overhaul, infrastructure works, and subsequent development of the region surrounding both lakes is estimated at 75 million euro in total, 80 per cent of which has been borrowed by the World Bank.Construction work on the Luda Yana Lake is expected to last 46 months. Work on Plovdivtsi Lake will take about 40 months.The companies will be tasked with modernising and upgrading the existing systems in operation, and renewing them completely where necessary. Water treatment installations will have to be installed to produce clean drinking water.Luda Yana is meant to supply Panagiurishte and Pazardjik with drinking water whereas Plovdivtsi will be tasked with doing the same for Madan, Rudozem and another 22 villages in the surrounding area.