The Omaha Water Supply.

The Omaha Water Supply.

Reports from Omaha, Neb., say City Chemist Crowley has made an analysis of the water supply and finds a high percentage of albuminoid ammonia. Health Commissioner Connell says: “Wells showing the presence of more than .05 parts per 1,000,000 of albuminoid ammonia are immediately condemned by the health department and ordered filled up. The water company should take immediate action to reduce the amount shown in water furnished in the city mains. The water company should increase the amount of alum it is using as a coagulant and should revise its method of coagulation. At present the alum is placed in the first of the scries of four settling basins, where much of its force is expended upon solids pumped directly in from the river. The alum would be much more efficient, if placed in the second or third settling basin, where its full force would be concentrated on the albumenoid ammonia carried in solution.”

No posts to display