132 



Conservation Department 



Series III— (Concluded) 

 Chemical Analyses — Lakes of the Oswego Watershed 









Dissolved 













Tempera- 



oxygen 



Methyl 



Free 

 carbon 

 dioxide 







Depth 



ture 





orange 











REMARKS 



in 



meters 



of water, 

 degrees 



Parts 



Per cent 



of 

 satura- 

 tion 



alkalinity 

 p. p. m. 



pH 







Cent. 



per 



million 



calc. carb. 



p. p. m. 





Keuka lake 



1 



21.3 



9.3 



107 







8.4 



July 7. 



15 



16.0 



9.9 



102 





1.2 



7.9 





30 



9.2 



10.7 



95 





2.1 



7.7 





55 



6.5 



10.5 



87 





3.5 



7.6 





1 



20.4 



8.4 



95 



123 



— .44 



8.3 



July 28. 



10 



20.2 



8.9 



100 



122 



— .97 



8.3 





20 



12.4 



10.0 



96 



126 



1.6 



8.2 





30 



8.0 



10.0 



86 



125 



3.5 



7.9 





62 



5.2 



8.8 



71 



133 



1.7 



7.9 



Owasco lake 



1 



21.8 



9.1 



105 



105 



—2.9 



8.4 



August 4. 



15 



14.9 



8.9 



90 



114 



.94 



8.1 





50 



7.8 



8.3 



72 



107 



2.8 



7.8 





1 



19.8 



8.9 



99 



102 



3.7 



7 6 



August 9. 



20 



15.7 



10.4 



107 



98 



—1.1 



8.4 





78 



6.0 



9.0 



74 



54 



1.1 



7.9 





1 

 10 



21.4 

 21.0 



8.8 

 8.1 



101 



92 



118 

 120 



—2.2 

 —1.8 



8.4 



August 11. 



8.4 





14 



15.2 



5.1 



52 



132 



2.9 



7.8 





19 



13.1 



0.3 



2.9 



140 



8.0 



7.6 





1 



16.9 



9.3 



97 



118 



0.84 



8.3 



1 mile S. of Lodi landing. 



20 



11.1 



8.5 



78 



106 



0,73 



8.0 



July 15. 



70 



5.0 



8.8 



70 



108 



0.94 



8.0 





100 



4.4 



11.3 



88 



111 



0.53 



8.0 





182 



4.0 



9.2 



72 



109 



0.53 



8.0 



As above, September 9 . . . . 



1 



19.0 



4.7 



51 



98 



—2.1 



8.4 





27 



11.4 



6.8 



63 



105 



0.41 



8.0 





70 



4.8 



7.8 



61 



109 



0.63 



8.0 





110 



4.2 



6.5 



51 



108 



0.84 



7.9 





180 



4.1 



7.5 



58 



110 



1.6 



7.7 



Cavuga lake 







19.5 



9.6 



105 



106 



—1.7 



8.5 



(off Frontenac point) 



5 



19.1 



9.7 



105 



102 



—1.8 



8.4 



August 10. 



10 



19.1 



9.3 



100 



99 



—1.2 



8.4 





15 



18.5 



8.9 



95 



101 



—1.2 



8.4 





18 



17.8 















20 



14.9 



10.2 



102 



103 



— .44 



8.3 





23 



12.7 















25 



10.3 



10.2 



91 



104 



1.0 



8.2 





30 



8.9 



11.0 



95 



105 



1.0 



8.0 





40 



6.3 



10.7 



87 



104 



1.4 



8.0 





50 



5.7 



11.0 



89 



106 



1.3 



8.0 





75 



5.0 



12.3 



97 



104 



1.3 



.8.0 





100 



4.6 



10.0 



78 



105 



1.3 



8.0 





120 



4.5 



10.1 



78 



104 



1.7 



8.0 



