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(a) As necessary to protect public health, public and private water systems, and the environment, the department will require that flows to a domestic wastewater disposal system be pretreated and equalized to prevent
(1) overloading of or damage to the sewer, domestic wastewater treatment works, or disposal system; or
(2) pollution of receiving waters.
(b) Subject to (c) of this section, a person may not
(1) discharge stormwater, silty water from construction dewatering efforts, gutter runoff, or street runoff into a sewer designed to handle only domestic or nondomestic wastewater flows without stormwater;
(2) discharge oil, petroleum products, industrial solvents, or other substances detrimental to treatment processes or operation into
(A) a sewer designed to handle only domestic wastewater or stormwater; or
(B) a wastewater treatment facility or process not designed to handle these substances;
(3) cause any connection or additional discharge to a domestic wastewater treatment works or domestic wastewater disposal system that the department has found to be overloaded or inadequate; in making a finding under this paragraph, the department will consider original plans or record drawings, compliance history, or discharge monitoring reports; or
(4) install a sewer line unless it
(A) has a mean conduit velocity, when flowing full, of not less than two feet per second;
(B) is designed for the maximum expected flow; and
(C) is designed so that the diameter of any receiving sewer line is equal to or greater than the diameter of the largest sewer line connecting to it.
(c) The department will, in its discretion, and in accordance with 18 AAC 72.060, grant a waiver from the requirements
(1) of (b)(4) of this section for sewers
(A) proposed for areas of the state that are subject to permafrost conditions; or
(B) designed to receive a clarified effluent from primary treatment systems, such as septic tank effluents; or
(C) designed as vacuum sewers; and
(2) of (b)(4)(C) of this section if calculations are provided to the department that demonstrate that the capacity of the receiving sewer line will handle the flow.
History: Eff. 4/1/99, Register 149
Authority: AS 44.46.020
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The Alaska Administrative Code was automatically converted to HTML from a plain text format. Every effort has been made to ensure its accuracy, but neither Touch N' Go Systems nor the Law Offices of James B. Gottstein can be held responsible for any possible errors. This version of the Alaska Administrative Code is current through June, 2006.
If it is critical that the precise terms of the Alaska Administrative Code be known, it is recommended that more formal sources be consulted. Recent editions of the Alaska Administrative Journal may be obtained from the Alaska Lieutenant Governor's Office on the world wide web. If any errors are found, please e-mail Touch N' Go systems at E-mail. We hope you find this information useful. Copyright 2006. Touch N' Go Systems, Inc. All Rights Reserved.
Last modified 7/05/2006