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Water Quality Division > Programs > Stormwater


Stormwater Program Information

The national urban runoff program (NURP) and Clean Water Act (CWA) 305(b) reports submitted to Congress in the 1980's identified contaminated storm water as one of the causes adversely affecting water quality. Congress amended the CWA in 1987 to require the EPA to address storm water runoff [CWA 402(p)]. Federal regulations were promulgated in 1990 as 40 CFR 122.26 with the first general permits issued in 1992.

As of September 9, 1997, EPA delegated all the responsibilities for storm water discharges associated with construction and industrial sites in the State of Oklahoma to the Department of Environmental Quality. Delegation does not include facilities located on Indian lands or industrial activities located in the oil and gas exploration fields, Standard Industrial Classification codes 1311, 1381, 1382, and 1389. For construction sites, the permitting process is conducted according to the rules established under the Oklahoma Pollution Discharge Elimination System (OPDES), as promulgated under OAC 252:605. For storm water discharges associated with industrial activities the State is using EPA guidelines for the MSGP program established under the Federal Register Vol. 60, No. 189, published on September 29, 1997 along with the Storm Water Phase II rules published December 8, 1999 under the Federal Register Vol. 64, No. 235.

Two types of Storm Water General Permits were issued in September 9, 1992. The first was for discharges associated with industrial activities which is commonly referred to as the Baseline Industrial General Permit (BIGP). The BIGP covered all facilities except those covered under Construction Permit. The BIGP permit language can be found at Federal Register, Vol. 57, No. 175, September 9, 1992, pages 41297 through 41342.

The second permit was for discharges associated with construction activities. Under Phase I, construction activities that disturbed or planned to disturb 1 or more acres had to obtain a Storm Water discharge permit. That Construction Permit can be found at Federal Register, Vol.57, No.175, September 9, 1992. Both of these became effective September 9, 1992, and expired at midnight on September 9, 1997.

Currently the DEQ has an active Storm Water General Permit for Construction activities, Industrial activities, and will soon have a Small MS4 General permit. These permits were issued to effect compliance with the Phase II Storm Water regulations issued December 8, 1999.

Information more specific to each General Permit can be found on their respective web pages. The links to these pages are located on the left hand side of this page.

All storm water general permits may be obtained by submitting a one page application, Notice of Intent (NOI), and terminated by submitting a Notice of Termination (NOT) to the DEQ.

All storm water general permits require the permittee to complete, implement and maintain a Storm Water Pollution Prevention Plan (SWPPP). The SWPPP has to meet the requirements set forth in the general permit and must be tailored to meet the specific sites specifications and requirements. A SWPPP guideline is available at DEQ and can be furnished upon request. The SWPPP requirements are designed so that small businesses may develop and implement a pollution prevention plan. However, obtaining services from a qualified consultant is another alternative in preparing a SWPPP.

All holders of general permits pay an annual fee for the life of the permit as required in OAC 252:605-3-61. A permit is in place and effective until the permittee provides a Notice of Termination to DEQ.

For more information regarding the storm water program please contact the Department of Environmental Quality at (405)702-8100.

For questions about the Stormwater program, please contact

Karen Milford - South District
Ismat Esrar - North District

Industrial Multi-Sector General Permit

MS4 Permit (Phase 1 and 2)

View NOIs Out for Public Review