Storm Water Pollution Prevention Plan (SWPPP) - the City of Lompoc!
Storm Water Pollution Prevention Plan (SWPPP) - the City of Lompoc!
Storm Water Pollution Prevention Plan (SWPPP) - the City of Lompoc!
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OrderV. EFFLUENT STANDARDSA. Narrative Effluent Limitations1. <strong>Storm</strong> water discharges and authorized non-storm water dischargesregulated by this General Permit shall not contain a hazardoussubstance equal to or in excess <strong>of</strong> reportable quantities established in40 C.F.R. §§ 117.3 and 302.4, unless a separate NPDES Permit hasbeen issued to regulate those discharges.2. Dischargers shall minimize or prevent pollutants in storm waterdischarges and authorized non-storm water discharges through <strong>the</strong>use <strong>of</strong> controls, structures, and management practices that achieveBAT for toxic and non-conventional pollutants and BCT forconventional pollutants.B. Numeric Effluent Limitations (NELs)Table 1- Numeric Effluent Limitations, Numeric Action Levels, Test Methods,Detection Limits, and Reporting UnitsParameter TestMethodDischargeTypeUnits NumericActionpHTurbidityField test Risk Level 2withcalibratedportableinstrument Risk Level 3EPA0180.1and/or fieldtest withcalibratedportableinstrumentMin.DetectionLimit0.2Levellower NAL =6.5upper NAL =8.5pHunits lower NAL =6.5upper NAL =8.5NumericEffluentLimitationN/Alower NEL =6.0upper NEL =9.0Risk Level 2 250 NTU N/ARisk Level 31 NTU250 NTU 500 NTU1. Numeric Effluent Limitations (NELs):a. <strong>Storm</strong> Event, Daily Average pH Limits – For Risk Level 3dischargers, <strong>the</strong> pH <strong>of</strong> storm water and non-storm water discharges2009-0009-DWQ 29 September 02, 2009
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