Editing Arno (section)

== Uses and human impacts ==
Water from the Arno drainage basin is used for drinking water, irrigation, and firefighting.<ref name=":3">{{Cite journal|last1=Pacetti|first1=T.|last2=Castelli|first2=G.|last3=Bresci|first3=E.|last4=Caporali|first4=E.|date=2020-11-01|title=Water Values: Participatory Water Ecosystem Services Assessment in the Arno River Basin, Italy|journal=Water Resources Management|language=en|volume=34|issue=14|pages=4527–4544|doi=10.1007/s11269-020-02684-4|s2cid=222279681 |issn=1573-1650|doi-access=free|bibcode=2020WatRM..34.4527P |hdl=2158/1209763|hdl-access=free}}</ref> Citizens in the central part of the drainage basin also identified flood control, support for biodiversity, fisheries, and cultural value as other services that the river provides.<ref name=":3" /> There is the risk that flooding will jeopardize these [[ecosystem service]]s, as 9% of wastewater treatment plants, 10% of landfills or other waste sites, and 4.5% of contaminated sites are at high risk of flooding, which would produce hotspots of pollution.<ref>{{Cite journal|last1=Arrighi|first1=Chiara|last2=Masi|first2=Matteo|last3=Iannelli|first3=Renato|date=2018-02-01|title=Flood risk assessment of environmental pollution hotspots|url=https://www.sciencedirect.com/science/article/pii/S1364815217305169|journal=Environmental Modelling & Software|language=en|volume=100|pages=1–10|doi=10.1016/j.envsoft.2017.11.014|bibcode=2018EnvMS.100....1A |hdl=11568/877149 |issn=1364-8152|hdl-access=free}}</ref>