Financing and Charges for Wastewater Systems by Water Environment Federation;

Author:Water Environment Federation;
Language: eng
Format: epub
ISBN: 6186990
Publisher: Water Environment Federation
Published: 2018-08-15T00:00:00+00:00

2.1.3 Constituent Rates

Whereas volume rates are almost always used to recover costs of average-strength wastewater, individual constituent rates are used for recovering extra-strength waste loads from monitored commercial and industrial customers. To the extent that components of a customer’s use of a utility system can be identified and costs can be allocated for handling constituent contributions, rates by constituent may be established. For example, industrial waste customers’ contributions of BOD and TSS above specified concentrations are often surcharged. In this case, industrial waste customers’ flows are regularly sampled, and BOD and TSS surcharges are calculated by applying a charge-per-pound of excess contribution.

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