[Prev][Next][Index]
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
confusion.
Augustine Rodriguez
Elk Mound, WI, USA