TM 5-814-3/AFM 88-11, Volume III
7-4. Stabilization pond process.
Detailed discussions and design criteria related to various types of stabilization ponds are contained in chapter
14. The pond treatment process train illustrated in figure 7-3 demonstrates the requirement of a minimum
of two stabilization ponds and a fill and draw pond to be used during periods when the suspended solids
concentration in the effluent from the second pond exceeds NPDES permit limitations.
7-5. Advanced wastewater treatment processes.
There are no advanced wastewater treatment process trains that can be considered typical or most applicable
to a military installation. Effluent quality standards exceeding established secondary treatment level standards
will dictate the advanced treatment unit processes and their combinations that will provide the necessary
degree of treatment. A discussion of advanced wastewater treatment processes can be found in chapter 15.
Examples of advanced wastewater treatment process trains and their expected effluent qualities are given in
7-6. Small installations.
Septic tanks, biological package treatment plants, and stabilization ponds are cost effective and require less
operational and maintenance attention than other treatment options. Therefore, these treatment methods are
especially applicable to military installations having design capacities of less than 0.1 million gallons per day.
Four treatment schemes typically used for low-flow installations are presented in figure 7-4. (See also the
studies of the Office of Appropriate Technology.)