Re: [APD] Re: tapwater NO3 survey

["S. Hieber" <shieber at yahoo_com>]

Here on the northern part of the central coast ( or the
sourthern part of the northern coast) of NJ, the nitrates
range from undetectable to a maximum of less than 1/2 ppm.

The phosphate is even lower ;-)

Scott H.
--- Chuck H <grendel at usit_net> wrote:
> Charley wrote in response to Shireen's tapwater nitrate
> survey:
> 
> >Fort Collins, CO, USA, from the "Fort Collins
> >Utilities
> >Drinking Water Quality Report", we have:
> >
> >nitrate, ppm:
> >                      MCL:  10
> >                     MCLG:  10
> >   Highest level detected:  0.138
> >                    Range:  0.13-0.138
> >           Meets standard:  Yes
> >           Typical source:  Runoff from fertilizer use;
> >                            septic tank leachate
> >
> >So, we're a little higher than you (10 instead of 9),
> >but this is largely an agricultural region.  And, it's
> >offset by the fact that we have very soft water, so
> >I have no trouble growing most any plants, as long
> >as I provide adequate lighting (I never could keep
> >mollies, though).
> 
> 
> Actually, Charley, your water had no more than 0.138ppm
> nitrate during the 
> testing period.  Not much at all.  The MCL figure of
> 10ppm is the "maximum 
> contaminant level" allowed by Uncle Sam, and MCLG is the
> "maximum 
> contaminant level goal," which is usually the same or
> lower than the 
> MCL.  I think MCLG's formal definition is something like
> "the level below 
> which no known health risks exist."  10ppm NO3 is the
> standard for potable 
> water in the US, but I don't think it's uncommon for some
> areas to be above 
> that.  I recall trading posts with someone on this list
> that had something 
> like 50ppm in his water.
> 
> To answer Shireen's survey question, my water co. says
> nitrate is 0.25 to 
> 0.53ppm.  I'm a little jealous of 9ppm since that'd keep
> me from having to 
> dose so darn much KNO3.
> --
> Chuck Huffine
> Knoxville, Tennessee
> 
> 
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