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Pre-Inca canals may solve Lima's water crisis
- rayiner 12y agoInterestingly, NYC has the largest unfiltered water supply in the country, because it aggressively manages its source in the Catskills: http://ecosystemmarketplace.com/documents/cms_documents/NYC_H2O_Ecosystem_Services.pdf http://ecosystemmarketplace.com/documents/cms_documents/NYC_.... Saved the city from having to build a $6-10 billion filtration plant.