Zhodnocení stavu Knínického potoka z hlediska znečištění fosforečnany

This bachelor thesis Condition assessment of the stream Knínický potok in terms of phosphate pollution occupies with monitoring of water pollution in the stream Knínický potok which was carried out from April 2015 to march 2017. The monitored factors were total phosphorus, phosphates, pH, conductivity, dissolved oxygen and tempera-ture. The theoretical part outlines the problematics of different water types, water pollution especially phosphorus pollution and the related legislation. The practical part describes the profiles selected for water sampling, methodology of both fieldwork and laboratory work and also the characteristics of the area. The essential part are the measurement results with commentary, evaluated and compared to the provision of government 401/2015 Sb, in an effective version and to the ČSN 75 7221. According to the results, the main source of pollution is water drained from the wastewater treatment plant. Parameter with the worst measured results was total nitrogen, which has reached extremely high above the NEK limit