0.44 mm = 1/50”, Code Standard is 1/16”
140 mesh = 105 microns, Code standard is 100 micron
E. coli is a subgroup of the fecal coliform group. Most E. coli bacteria are harmless and exist in the
intestines of people and warm-blooded animals. However, some strains can cause illness. The
presence of E. coli in a drinking water sample usually indicates recent fecal contamination. That
means there is a greater risk that pathogens are present.
Highest level of E.coli at SV residence was 2 cfu/100mL (unfiltered rainwater)
Total coliform bacteria are common in the environment (soil or vegetation) and are generally harmless.
Total average annual indoor use is 66,300/year.
$0.45/gallon reflects installation costs and 6,760 gallons harvested and used per year (Nov-June) In 20 years, the system will have saved 135,200 gallons and price per gallon drops to $0.02/gallon, assuming no O&M costs
Cost of Scotts Valley Water; Tier 1 Water = $0.0357gallon