Current through Register Vol. 24-06, March 15, 2024
(1)
The director may issue general permits to satisfy any or all of the waste water
discharge permit requirements of
chapter
90.48 RCW and the
FWPCA.
(2) The director may issue
general permits to cover categories of dischargers for geographic areas as
described under subsection (3) of this section. The area shall correspond to
existing geographic or political boundaries, such as:
(a) Designated planning areas under section
208 or 303 of the FWPCA;
(b) Sewer
districts or other special purpose districts;
(c) City, county, or state political
boundaries;
(d) State or county
highway systems;
(e) Standard
metropolitan statistical areas as defined by the federal Office of Management
and Budget;
(f) Urbanized areas as
designated by the Bureau of the Census; or
(g) Any other appropriate division or
combination of boundaries.
(3) General permits may be written to cover
the following within a described area:
(a)
Storm water sources; or
(b)
Categories of dischargers that meet all of the following requirements:
(i) Involve the same or substantially similar
types of operations;
(ii) Discharge
the same or substantially similar types of wastes;
(iii) Require the same or substantially
similar effluent limitations or operating conditions, and require similar
monitoring; and
(iv) In the opinion
of the director are more appropriately controlled under a general permit than
under individual permits.
(4) The following discharges are not subject
to permits under this chapter:
(a) Discharges
to municipal sewerage systems of domestic wastewater from residential,
commercial, or industrial structures.
(b) Any industrial or commercial discharge to
a municipal sewerage system for which authority to issue permits has been
granted to the municipality under
RCW
90.48.165.
(c) Any industrial or commercial discharge to
a municipal sewerage system operating under, and in compliance with, the
applicable requirements of a local pretreatment program approved under section
307 of FWPCA and WAC
173-216-150. In the event of
noncompliance, this exemption no longer applies and the discharger is
immediately subject to enforcement action under
chapter
90.48 RCW for discharging
without a waste discharge permit.
(d) Discharges to municipal sewerage systems
of wastes from industrial or commercial sources whose wastewater is similar in
character and strength to normal domestic wastewater: Provided, That such
discharges do not have the potential to adversely affect performance of the
system. Examples of this type of discharge sources may include hotels,
restaurants, laundries, and food preparation establishments.
(e) Discharges of domestic wastewater from a
septic tank with subsurface sewage treatment and disposal and an ultimate
design capacity less than or equal to fourteen thousand five hundred gallons
per day. These systems are governed by on-site sewage disposal systems, chapter
246-272 WAC which is administered by the Washington state department of
health.
(f) Discharges of domestic
wastewater from a mechanical treatment system or lagoon followed by subsurface
disposal with an ultimate design capacity less than or equal to three thousand
five hundred gallons per day. These systems are governed by on-site sewage
disposal systems, chapter 246-272 WAC which is administered by the Washington
state department of health.
Statutory Authority:
Chapter
90.48 RCW. 93-10-099
(Order 92-55), § 173-226-050, filed 5/5/93, effective
5/19/93.