The content of paper is assessment the technical infrastructure and biological construction state round water reservoir Domaniów. It was found that technical infrastructure round water reservoiris well developed. Made 20 km pipe line water, 30,7 km sewerage to all localities. Built sewage treatmen plant, modernization of water station and same pump stations. Introduced biological construction again abrasion does not give good results. Development trees and shrub was weak and many plants did not live trough by reason of devastation from people and not good soil condition. Therefore biological construction is too little effectives in protection the banks of water reservoir against abrasion. The 2005 year about 150 m (runing metre) was devastated by abrasion. Improvement of the road infrastructure is very need round the water reservoir because their present state is insuitable. According to our observations and researches we think, that the development of technical infrastructure round water reservoir Domaniów is satisfa ctory and biological construction unsatisfactory. ...
