THE LOCAL WATER SITPPLY. 



II 



Total vSolids — ' 140, - 80, ^ 400. 



A few points of interest may be drawn from the table. 

 First, and of prime importance to the residents of Media, is 

 the veiy satisfactoiy showing of the Media tap water for the 

 year as compared with Dr. A. R. Leeds' standard for American 



rivers : 



Average Media Leeds' 



Tap Water Standard 



Albimiinoid Ammonia .0496 10 to .28 



Free Ammonia -0434 01 to . 12 



Nitrogen as Nitrites .0006 .003 



Nitrogen as Nitrates . 8490 i . 1 1 to 3 . 89 



Chlorine as Chlorides 5 . 43 3 . to 10 . 



Oxj'gen Consuming Capacity 1.05 5. to 7. 



It is also of interest to compare the analyses of the Broomall 

 Homestead Spring, located on the edge of the Borough, with 

 the analysis of the Carr Spring, situated some half a mile from 

 the town, and far removed from human habitation. 



As regards the efficiency of our filtration plant, the analyses 



