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Stormwater Compliance for the Winery Industry

California Industrial General Permit Overview

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When it rains, the federal Clean Water Act states that the stormwater leaving your property is an industrial discharge. Pollution sources from your stormwater can include shipping and receiving areas, process equipment, material handling and storage areas, maintenance activities, and chemical storage areas.

The California Industrial General Permit (IGP) regulates stormwater discharges from industrial facilities based on Standard Industrial Classification (SIC) Codes. As a result, stormwater discharges from wineries are regulated by the IGP, as they fall under SIC code 2084. Accordingly, wineries are required to have an industrial stormwater permit, file a Storm Water Pollution Prevention Plan (SWPPP), test stormwater for pollutants, establish stormwater Best Management Practices, and comply with a myriad of reports.

Stormwater Compliance & Permitting Services for California Wineries

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  • Permit Coverage Determination:

    • Notice of Intent (NOI)

    • No Exposure Certification (NEC)

    • Notice of Non-Applicability (NONA)

    • Notice of Termination (NOT)

  • Assistance with filing for coverage or termination with the State Water Quality Control Board (SWQCB)

  • Site assessments and evaluations

  • Preparing Storm Water Pollution Prevention Plans (SWPPPs) and Site Maps

  • Filing Ad Hoc reports on the SWQCB’s Storm Water Multiple Application and Report Tracking System (SMARTS)

  • Annual Comprehensive Facility Compliance Evaluations (ACFCEs) and Annual Reports

  • Filing Level 1 or Level 2 reports if applicable

  • General regulatory assistance as needed

  • One-hour FREE seminar discussing IGP topics and requirements


California Environmental Regulations Expertise

Our California stormwater consultants are highly qualified, with decades of compliance and permitting experience.


Additional Services for California Wineries