REPORT OF THE CHEMIST. 



193 



SESSIONAL PAPER No. 16 

 WELL WATERS, 1900. 



PARTS PER MILLION. 



as 



O 



o 



260 

 342 

 298 

 392 

 2458 



7978 



660 



25 



117 



43 



158 



264 



1879 



330 



3501 



8256 



1201 



40 



40 



60S 



374 



22751 



64 



126 



190 



608 



271 



278 



484 



104 



564 



368 



2527 



185 



257 



487 



388 



278 



418 



576 



451 



Phosphates. 



Traces . 



Traces. 



Heavy traces. 



Traces 



None 



Traces , 

 None . . 



Very slight traces . 

 Heavy traces 



Traces 



Slight traces . 



Traces 



Heavy traces 



Traces 



Very heavy traces. 



ir It 



Heavy traces . , . 



Traces 



None 



Traces 



Slight traces. 



Very slight traces . 



Heavy traces 



Very heavy traces. 

 Slight traces 



Report. 



Slight traces. 



None 



Heavy traces 

 Traces 



Traces . 



Free from pollution, a wholesome water. 



Free from all drainage matter of a pernicious character. 



Polluted, an unsafe water. 



II a decidedly dangerous water. 

 Highly charged with saline matter. 



Highly charged with saline matter. 



Contaminated ; use attended with danger. 



Water contains drainage matter. 



A first class water ; free from all pollution. 



A doubtful water. 



Not first class, possibly polluted. 



Indication of pollution ; very doubtful purity. 



Highly saline and unpalatable. 



Somewhat suspicious. indication of previous contamination. 



Strongly saline and probably purgative. 



Very strongly saline, unfit for use unless distilled. 



Probably free from organic pollution, but very saline. 



Free from pollution and wholesome. 



II II 



Highly suspicious ; of very doubtful purity. 



II II II 



Saline water. 



Unpolluted and wholesome. 

 Good drinking water, free from contaminatioa. 

 Free fiom pollution. 

 Seriously contaminated. 

 Very suspicious, drainage matter indicated. 

 Indication of pollution, somewhat suspicious. 

 Very seriously polluted with drainage matter. 

 Dangerously contaminated. 

 Most seriously polluted. 

 Dangerously polluted. 



Proljably containing drainage matter, dangerous water. 

 Excellent water, free from injurious matter. 

 A water of suspicious quality. 

 Water of doubtful purity. 



Dangerously contaminated with organic matter. 

 Probably a wholesome water. 

 Very seriously polluted. 

 Dangerously contaminated. 



Bad water, containing a considerable amount of drainage 

 matter. 



16—13 



