==Suitable conditions==
{{Climate_change
|heading1=Drought
|text1='''Effects of drought''': Badly made concrete and cracked linings (e.g. in tanks, dams, waterways, wells, and other structures). <br>'''Underlying causes of effects''': Less water used for curing; Impure water used for mixing. <br>'''To increase resiliency of WASH system''': Ensure adequate mixing, ratios, purity of ingredients; Minimize water content in mixture; Ensure adequate curing.
}}
{{procontable | pro=
- Easy to construct. <br>
- The storage tank is the most expensive part of a roof rainwater system, and often they cannot hold enough water for whole dry season. Making bigger tanks is possible but more difficult and cost can be too high, which would make them not replicable on a larger scale.
}}
==Resilience to changes in the environment==
====Drought====
'''Effects of drought''': Badly made concrete and cracked linings (e.g. in tanks, dams, waterways, wells, and other structures). <br>'''
Underlying causes of effects''': Less water used for curing; Impure water used for mixing. <br>
'''To increase resiliency of WASH system''': Ensure adequate mixing, ratios, purity of ingredients; Minimize water content in mixture; Ensure adequate curing.
==Construction, operations and maintenance==
