"CT" wrote
Martin wrote:

I recall a ban on products being sold for gardens by Reading Sewage
Works, because of the high heavy metals content.

Ah, that'll be the Rock Festival causes that!

Heh.

Yes, sewage waste is often used as fertiliser in agricultural areas to
my knowledge. They treat it and dry it and then call the result
biosolids to make it sound more 'refained'
There's probably info on local water supplier's websites.
--
Sue