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Article

Water Lice and Other Macroinvertebrates in Drinking Water Pipes: Diversity, Abundance and Health Risk

1
Department of Water Quality Control, Berlin University of Technology, 10623 Berlin, Germany
2
INWERT Institute for Biological Drinking Water Quality, 45721 Haltern am See, Germany
3
AquaLytis, 15745 Wildau, Germany
4
Scheideler Dienstleistungen, 45721 Haltern am See, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Avi Ostfeld
Water 2021, 13(3), 276; https://doi.org/10.3390/w13030276
Received: 23 December 2020 / Revised: 13 January 2021 / Accepted: 20 January 2021 / Published: 24 January 2021
Activities to ensure and maintain water quality in drinking water networks, including flushing, are presented after standardized hydrant sampling combined with a stainless-steel low pressure–high flow rate (NDHF) filter and a 100 µm mesh size was used to separate pipe inhabitants. A databank of more than 1000 hydrant samples in European lowland areas was developed and used to analyze the diversity and abundance of macroinvertebrates in drinking water networks. Load classes for water louse (Asellus aquaticus) and oligochaetes are given with three evaluation classes: normal colonization, increased colonization, and mass development. The response of Asellus aquaticus in drinking water networks to environmental conditions are presented as are their growth and reproduction, promotion of a third generation by climate change effects, food limitations, and the composition and stability of their feces. Finally, the health risks posed by dead water lice and water lice feces with bacterial regrowth and the promotion of microbe development on house filters are analyzed. View Full-Text
Keywords: drinking water quality; drinking water pipes; biological stability; Asellus aquaticus; oligochaete; climate change effect; biofouling drinking water quality; drinking water pipes; biological stability; Asellus aquaticus; oligochaete; climate change effect; biofouling
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MDPI and ACS Style

Gunkel, G.; Michels, U.; Scheideler, M. Water Lice and Other Macroinvertebrates in Drinking Water Pipes: Diversity, Abundance and Health Risk. Water 2021, 13, 276. https://doi.org/10.3390/w13030276

AMA Style

Gunkel G, Michels U, Scheideler M. Water Lice and Other Macroinvertebrates in Drinking Water Pipes: Diversity, Abundance and Health Risk. Water. 2021; 13(3):276. https://doi.org/10.3390/w13030276

Chicago/Turabian Style

Gunkel, Günter, Ute Michels, and Michael Scheideler. 2021. "Water Lice and Other Macroinvertebrates in Drinking Water Pipes: Diversity, Abundance and Health Risk" Water 13, no. 3: 276. https://doi.org/10.3390/w13030276

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