Is solar domestic hot water healthy1?

No.....for the purpose of laundering or bathing..........hot water drawn from a reservoir, lake well, city water system, stream or river will remains just that.... heated water.... regardless of the heating method No....for the purpose of consumption, it is less healthy as pssive solar heat treatment cannot reach the temperatures required to kill harmful bacteria Yes....if the solar heated water comes from a treatment source where in all bacteria has been eliminated and foreign particulates filtered, in comparison with water drawn from untreated sources and heated by other methods