Wyoming Administrative Code › Agency 020 - Environmental Quality, Dept. of › Sub-Agency 0011 - Water Quality › Chapter 2 - DISCHARGES, PERMIT REGS › Section 2-6 - Storm Water Discharges

Current through July 13, 2024
The following process shall be used in the application for
				  development of and issuance of storm water discharge permits and for
				  identifying storm water discharges covered by this rule.
(a) Deadlines to apply.
(i) Except as provided in Section
				6(b), for any storm water
				discharge associated with large construction activity as described in Section
				6(f)
				(i) or industrial activity as identified in
				Section
				6(g) in place prior to the
				effective date of this rule, should have made application to the administrator
				by October 1, 1992; prior to initiation of the activity or in accordance with
				Section
				4(o) (i)
				(B) of these regulations.
(ii) For any storm water discharge associated
				with large or small construction activities or industrial activities from a
				facility that is owned or operated by a municipality with a population of less
				than 100,000 that is not authorized by a general or individual permit, other
				than an airport, power plant, or sanitary landfill, a permit application must
				be submitted to the administrator by March 10, 2003.
(iii) Storm water discharges associated with
				small construction activity as described in Section
				6(f)
				(ii), that are not already authorized by a
				storm water general or individual permit, require permit authorization as of
				March 10, 2003, except;
(A) Storm water
				discharges subject to Section
				4(b)
				(v) which are not required to submit a NOI
				for coverage in accordance with the provisions of the applicable general
				permit, and
(B) Storm water
				discharges associated with small construction activity at oil and gas
				exploration, production, processing, and treatment operations or transmission
				facilities subject to the provisions of, Section
				6(a)
				(iv) of these regulations.
(iv) Storm water discharges
				associated with small construction activity at oil and gas exploration,
				production, processing, and treatment operations or transmission facilities,
				require permit authorization as of March 10, 2005.
(v) For any storm water discharge associated
				with regulated small MS4 as described in Section
				6(h)
				(i) and that is not authorized by a storm
				water general or individual permit, a permit application made pursuant to
				Section
				6(b)
				(iv) must be submitted to the administrator
				by March 10, 2003 or within 180 days of notice, unless the administrator grants
				a later date, if designated under Section
				6(h) (i) (C)
				or (D).
(vi) A permit application shall be submitted
				to the administrator within 60 days of notice of a storm water discharge which
				the administrator determines contributes to a violation of a water quality
				standard or is a significant contributor of pollutants to surface waters of the
				state or where the administrator determines that storm water controls are
				needed for the discharge based on wasteload allocations that are part of TMDLs
				that address the pollutant(s) of concern; unless permission for a later date is
				granted by the administrator.