EPA Nitrate Std

• To: Aquatic-Plants at actwin_com
• Subject: EPA Nitrate Std
• From: Augustine J Rodriguez <rodrigaj at uwec_edu> (Augustine Rodriguez)
• Date: Sat, 26 Oct 1996 13:12:38 -1108

> ?????  EPA maximum allowable nitrates in tap water is UNDER 10 ppm.  If your
>tap water is from a Public Water System, I think perhaps (1) your Nitrate
>test is a bit less than accurate, or (2) The EPA would be VERY interested in
>talking with the operator of your water utility!  (  :-)  )

The EPA (and most States) standards for nitrate-nitrogen is 10 ppm.  To
convert this to nitrate levels multiply nitrate-nitrogen levels by 4.4.
Standards for nitrates are therefore 40.4 ppm.  This is a common point of
confusion.

Augustine Rodriguez
Elk Mound, WI, USA

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