Introduction to Wastewater Treatment Ponds - WaterWorld
... All ponds must be constructed with impervious material such as clay or an artificial liner to prevent contamination of groundwater and surface water sources in ...
Migration of Collection, Distribution Automation System ...
... from the Salt River Project (SRP). There are two surface water sources, Central Arizona Project (CAP), and SRP. Up to 12 mgd of ...
EPA Regional Focus: Nutrients, Stormwater Challenge the Southeast ...
... s too early to tell what the impacts will be, but there have already been instances of chemical contaminants being identified in groundwater and surface water. ...