==Suitable conditions==
{{Climate_change
|heading1=Drought effects on cement
|text1='''Effects of drought''': Badly made concrete or 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.
}}
[[Image:FloatingIntakeLocation.jpg|thumb|right|300px|Location of a pond intake, near village. Click to zoom. <br> Drawing: [http://www.lifewater.org/resources/rws1/rws1c2.pdf Water for the World.]]]
Intake designs aim to avoid clogging and scouring and to ensure the stability of the structure even under flood conditions. Where the river transports no boulders or rolling stones, an unprotected intake may be adequate.
==Resilience to changes in the environment==
====Drought effects on cement====
'''Effects of drought:''' Badly made concrete or 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==
