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SPECIAL CONDITIONS <br /> S1. PERMIT COVERAGE <br /> A. Permit Area <br /> This Construction Stormwater General Permit (CSWGP) covers all areas of Washington State, <br /> except for federal operators and Indian Country as specified in Special Condition S1.E.3 and 4. <br /> B. Operators Required to Seek Coverage Under this General Permit <br /> 1. Operators of the following construction activities are required to seek coverage under <br /> this CSWGP: <br /> a. Clearing, grading and/or excavation that results in the disturbance of one or more <br /> acres (including off-site disturbance acreage related to construction-support activity <br /> as authorized in S1.C.2) and discharges stormwater to surface waters of the State; <br /> and clearing, grading and/or excavation on sites smaller than one acre that are part <br /> of a larger common plan of development or sale, if the common plan of <br /> development or sale will ultimately disturb one acre or more and discharge <br /> stormwater to surface waters of the State. <br /> i. This category includes forest practices (including, but not limited to, class IV <br /> conversions) that are part of a construction activity that will result in the <br /> disturbance of one or more acres, and discharge to surface waters of the State <br /> (that is,forest practices that prepare a site for construction activities); and <br /> b. Any size construction activity discharging stormwater to waters of the State that the <br /> Washington State Department of Ecology (Ecology): <br /> i. Determines to be a significant contributor of pollutants to waters of the State <br /> of Washington. <br /> ii. Reasonably expects to cause a violation of any water quality standard. <br /> 2. Operators of the following activities are not required to seek coverage under this CSWGP <br /> (unless specifically required under Special Condition S1.13.1.b, above): <br /> a. Construction activities that discharge all stormwater and non-stormwater to <br /> groundwater, sanitary sewer, or combined sewer, and have no point source <br /> discharge to either surface water or a storm sewer system that drains to surface <br /> waters of the State. <br /> b. Construction activities covered under an Erosivity Waiver(Special Condition S1.F). <br /> c. Routine maintenance that is performed to maintain the original line and grade, <br /> hydraulic capacity, or original purpose of a facility. <br /> C. Authorized Discharges <br /> 1. Stormwater Associated with Construction Activity. Subject to compliance with the terms <br /> and conditions of this permit, Permittees are authorized to discharge stormwater <br /> associated with construction activity to surface waters of the State or to a storm sewer <br /> system that drains to surface waters of the State. (Note that "surface waters of the <br /> Construction Stormwater General Permit Page 3 <br />