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sized or does not include the necessary options and accessories.”
But operation and maintenance - not design and construction - cause the majority of problems with package treatment plants, according to the environmental engineer. “Extended aeration package plants are rather simple to operate and maintain compared to a larger-scale wastewater treatment plant; however, an operator must be trained to understand the basics of biological treatment. Often, the operation and maintenance of the package plants is almost completely ignored or sporadically performed by an unqualified worker.”
In less technical terms and just a few miles away, Culpeper County’s experience bears out CH2M Hill’s findings after 20 years of engineering services related to the design and construction of package wastewater treatment plants.
Culpeper County has six privately operated sewage treatment plants. The State Water Control Board’s permits issued to the plants require regular testing of the ef
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