National Pollutant Discharge Elimination Systems Program

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CLOSURE NOTICE:

The Planning and Building Department will be closed on Wednesday, July 1, 2026, from 7:30 a.m. to 1:30 p.m. for a department meeting, and will also be closed on Friday, July 3, 2026, in observance of Independence Day. To accommodate the closures, the Permit Center will be open for walk-in appointments all day on Thursday, July 2, 2026

Planning & Building

County of San Luis Obispo

National Pollutant Discharge Elimination Systems Program

Under the National Pollutant Discharge Elimination Systems (NPDES), code enforcement staff enforce grading and illicit stormwater discharge requirements.