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To BobPE Could you explain EBCT? I am not familiar with the acronym.

Typically, for potable water, the pipe selections are limited to: ductile iron, Polyethylene, PVC, and concrete. There are limitations on size for some of these. Consult the manufacturers' literature.

Assuming a maximum consumption rate of approx. 8gpm and 30 min. contact time, we are inclined to think that 250 Igal. of storage should be adequate. We can do this by adding a section of 24" pipe of suitable length. If an activated carbon filter is used at the end of pipe, we think that...

150,000 gal. storage sounds like a lot for our application of a small lab and two bedroom apartment. What sort of demands were involved in your application?

The surface water quality is expected to be relatively good most of the time. We are proposing a 5micron filter and activated carbon filter ahead of a pressurized storage tank, at the point of use, based on the expectation that the filters will remove some turbidity, odour, colour, and any...

Water supply is from a surface source. I am not sure what other things need to be considered before consumption other than the usual parameters as noted in the guidelines for drinking water. Are there concerns about compounds formed by ozone which may affect quality of surface water for drinking.

We are taking potable water to a residence and laboratory for a fish hatchery from a supply which has been ozonated. I am trying to determine the acceptable ozone limits for potable water, and best methods (least costly and safe) to de-ozone the water prior to consumption. Some surfing has...