Alaska Administrative Code
Title 18 - Environmental Conservation
Chapter 72 - Wastewater Treatment and Disposal
Article 2 - Domestic Wastewater System Plan Review
18 AAC 72.245 - Treatment works
Universal Citation: 18 AK Admin Code 18 AAC 72.245
Current through November 28, 2024
(a) A plan submitted for department approval under 18 AAC 72.200 for construction or modification of a wastewater treatment works must include
(1) the items required to be submitted under
18 AAC 72.205;
(2) plans, reports, and drawings sealed by a
registered engineer;
(3) the design
calculations or design criteria for the following parameters:
(A) design flows and wastewater loading
rates;
(B) treatment capacities and
expected effluent quality;
(C)
selection and arrangement of unit operations and processes;
(D) material and equipment selection and
specifications;
(E) siting with
respect to potential for health hazards, nuisances, flooding, and effect on
groundwater and surface waters;
(F)
bedding, backfill and final grading;
(G) methods to control operational
variables;
(H) methods and location
of disposal of septage, sludges, grit, screenings, and other facility
residuals;
(I) thermal protection
considerations; and
(4)
provisions demonstrating that facility bypasses are controlled and bypasses
will not result in a discharge of wastewater that does not meet applicable
minimum treatment requirements of this chapter.
(b) The separation distance from each part of the treatment works must
(1) meet the
minimums set out in 18 AAC 80 for a public water system, unless the department
has approved a lesser separation distance under that chapter;
(2) meet the minimums set out in
18 AAC 72.100 for a private water
system, unless the department has approved a lesser separation distance under
this chapter; and
(3) be a minimum
of 100 feet from the mean annual high water level of a lake, river, stream,
spring, or slough, or the mean higher high water level of tidally influenced
coastal waters.
(c) To obtain an approval to operate a wastewater treatment works, the applicant shall submit to the department
(1) items required
under 18 AAC 72.240; and
(2) if requested, a copy of the operations
and maintenance manual developed in accordance with manufacturer
recommendations and specifically addressing the system as
installed.
(d) If a discharge permit is not required, the department may require periodic testing and reports that demonstrate the system meets expected performance criteria.
Authority:AS 44.46.020
AS 46.03.010
AS 46.03.020
AS 46.03.050
AS 46.03.100
AS 46.03.110
Disclaimer: These regulations may not be the most recent version. Alaska may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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