Waste not - want not.
I'm not about to do it, but I remember reading about in some places in Europe they were introducing urinals that separate solid & liquid wastes.
A quick search produced these sites:
http://tlc.howstuffworks.com/home/st...urine-good.htm
https://www.uni-hohenheim.de/respta/...urine_fert.pdf
http://cee.eng.usf.edu/peacecorps/5%...n/2010Shaw.pdf
While I don't have concerns with medicines in EPA EQ Biosolids, I would be wary of them in unprocessed American pee.
I'm curious as to why you are looking into this.