Watershed based npdes permitting technical guidance manual for stormwater

Guidance Materials Determination of NPDES Regulatory Status of Various Discharges on a Mine Site [2017] Industrial Stormwater General Permit Frequently Asked Questions [2019] Previous Permit Information The 2012 NPDES General Permit No. GAR050000 for Stormwater Discharges Associated with Industrial Activity (2012 IGP) was issued April 16, 2012. Please note, any discharge from a facility or construction site that may temporarily degrade an Outstanding National Resource Water or Outstanding State Resource Water is required to be permitted by an individual NPDES permit, as stipulated in subparagraph 567-64.7(2)f.(5) of the Iowa Administrative Code and in the Iowa Antidegradation Implementation Procedure. The Permittees are implementing and complying with the requirements of the latest NPDES MS4 permit (4th iteration) that was issued in January 2010. For more information, see the Stormwater Web Site, which has links to educational material for residents, businesses, students, and our permit partners. Mojave River Stormwater Permit This technical guidance is a follow up to the 2003 Watershed-based National Pollutant Discharge Elimination System (NPDES) Permitting Implementation Guidance and provides greater detail concerning a number of permit development and issuance questions not addressed previously. The Oklahoma Pollution Discharge Elimination System (OPDES) stormwater program, authorized by the NPDES stormwater permitting program, requires construction site owners/operators to obtain coverage under the OPDES Construction General Permit OKR10 to discharge stormwater from their construction sites and implement appropriate pollution that watershed-based stormwater management should be the top priority for this report of the CoP. Watershed-based stormwater management (also referred to as the "Watershed Approach" in this document) is an important emerging tool for DOTs meeting priority water resource and environmental permitting goals. Stormwater is water from rain or melting snow that does not soak into the ground. Stormwater in a forest, meadow, or other natural environment usually soaks into the ground, i.e., infiltrates, or is filtered as it flows along the ground and over native vegetation. The permitting program is mandated in the Clean Water Act and is part of the NPDES (National Pollutant Discharge Elimination System) program. Who needs a permit? As of March 10, 2003, if your project disturbs 1 or more acres of ground, you must get a permit to discharge storm water from your site. The 2018 NPDES General Permits Nos. GAR100001, GAR100002 and GAR100003 authorizing stormwater discharges associated with construction activities to the waters of the State of Georgia have been reissued with an effective date of August 1, 2018. The permits and resources are available below. Guidance. Stormwater Management Action Planning Guidance (publication 19-10-010) . Guidance to assist western Washington permittees in implementing the Stormwater Planning requirement to develop a Stormwater Management Action Plan (See Phase I permit section S5.C.6.d. and Western WA Phase II S5.C.1.d). Polluted stormwater runoff can have many adverse effects on plants, fish, animals, and people. The primary method to control stormwater discharges is the use of structural and