The composite bed traps iron and magnesium. This is the final step in the filter process. One of two 1 million gallon filter tanks that feed into the rapid sand filters. Sam demonstrates the sampling technique for water in the rapid sand filter. This is the chlorination area.
Chlorine reduces odorous tastes in the water.
The city has approximately 300 miles of water main and the flow through the main is measured via a Venturi flow meter.