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MPA - What is GWUDI - "a ground water source under direct influence of surface water"? PDF Print E-mail
Tuesday, 15 September 2009 16:27
The EPA Guidance Manual defines a ground water source under
direct influence of surface water as water in which there is either:
"significant occurrence of insects or macroorganisms, algae, organic
debris, or large-diameter pathogens such as Giardia lamblia."
or
"significant and relatively rapid shifts in water characteristics such
as turbidity, temperature, conductivity, or pH which closely correlate
to climatological or surface water condition."Giardia
Last Updated on Tuesday, 15 September 2009 16:48