E3S Web Conf.
Volume 45, 2018VI International Conference of Science and Technology INFRAEKO 2018 Modern Cities. Infrastructure and Environment
|Number of page(s)||8|
|Published online||30 July 2018|
Cost analysis of a rainwater harvesting system in Poland
Institute of Environmental Engineering and Building Installations, Lodz University of Technology, Poland
* Corresponding author: firstname.lastname@example.org
Rainwater harvesting is an alternative water supply method that has become popular in recent years around the world. This is mainly due to financial reasons (reducing the cost of potable water and fees for rainwater discharge to the sewerage), but also because of environmental awareness. In Poland, rainwater harvesting systems are not often used because of their low financial viability determined by high system construction costs and the low prices of potable water. Earlier analysis conducted by the author showed that the payback period of investment outlays was from a dozen or so years for large buildings, to a few dozen for single-family houses. This situation may change after the introduction of common fees for discharging rainwater from impervious areas into sewerage, and fees for the reduction of natural retention on newly built-up areas, in accordance with new water regulations. This paper presents a cost analysis of rainwater harvesting systems for ten cities in Poland, with varying annual rainfall depth and various pricing for potable water. Analyses were carried out for a single-family house located in an area equipped with a municipal sewer system, and for a large building, located in an area equipped and not equipped with a municipal sewer system.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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