Municipal drinking water systems have 3 components:
A source
A water treatment plant
A water distribution network
All 3 can affect engr considerations, cost, and water quality at the tap.
Drinking Water Sources:
Lakes/Reservoirs
Rivers
Groundwater
Seawater
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Municipal drinking water systems have 3 components:
A source
A water treatment plant
A water distribution network
All 3 can affect engr considerations, cost, and water quality at the tap.
Drinking Water Sources:
Lakes/Reservoirs
Rivers
Groundwater
Seawater
Main goal of water treatment systems:
removal/inactivation of pathogens and provision of disinfectant residual
Safe Drinking Water Act (1974)
extended fed gov. responsibility to regulate community water systems with 25+ customers
MCL
(maximum contaminant level)