Paczkowski Lake is a retention reservoir which was constructed due to the flooding of the river

Nysa Kłodzka The Eastern Neisse, also known by its Polish name of Nysa Kłodzka (, ), is a river in southwestern Poland, a left tributary of the Oder, with a length of 188 km (21st longest) and a basin area of 4,570 km2 (3,742 in Poland). Prior to Wo ...

's by the overflow of the lakes which have been part of the river, the reservoir is made up of two reservoirs, Kozielno and Topola, and is located on the border of the

Lower Silesian Voivodeship Lower Silesian Voivodeship (, ) in southwestern Poland, is one of the 16 Voivodeships of Poland, voivodeships (provinces) into which Poland is divided. It covers an area of and has a total population of 2,899,986. It is one of the wealthiest ...

and

Opole Voivodeship Opole Voivodeship ( , , ), is the smallest and least populated voivodeships of Poland, voivodeship (province) of Poland. The province's name derives from that of the region's capital and largest city, Opole. It is part of Silesia. A relatively lar ...

. The main function of the reservoir is to protect the area against floods. The gravel pit in the reservoir works as an extraction of gravel. The water flow in the reservoir is also used for generating energy in both of the outflows there are

dams A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, ...

. The full capacity of the reservoir is 42,9 million m³.Hydronim
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References

LPaczkowski Reservoirs in Poland Nysa County Lakes of Opole Voivodeship Lakes of Lower Silesian Voivodeship {{Poland-geo-stub