EPA Nitrate Std

> ?????  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

Augustine Rodriguez
Elk Mound, WI, USA