It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by OmegaLogos
As far as sewerage infrastructure and saving fresh water goes, I notice that grey water can be used for toilets and this made me think that sea water could be used also!