Stormwater Pollution Prevention Plan For: Layon Municipal Sanitary Landfill Layon, Inarajan Guam 96915 (671) 727-6846
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Stormwater Pollution Prevention Plan (SWPPP) Layon Municipal Sanitary Landfill - September 2015 Stormwater Pollution Prevention Plan for: Layon Municipal Sanitary Landfill Layon, Inarajan Guam 96915 (671) 727-6846 SWPPP Contact(s): Guam Solid Waste Authority 542 North Marine Corps Drive Tumon, Guam 96913 Tel No.: (671) 646-3111 Fax No.: (671) 649-3777 Prepared By: EA Engineering, Science, and Technology, Inc., PBC 1001 Army Drive, Suite 103 Barrigada, Guam 96913-1402 SWPPP Preparation Date: nd September 2 2015 Stormwater Pollution Prevention Plan (SWPPP) Layon Municipal Sanitary Landfill - September 2015 Contents SECTION 1: FACILITY DESCRIPTION AND CONTACT INFORMATION ................................................... 1 1.1 Facility Information ........................................................................................................................ 1 1.2 Contact Information/Responsible Parties ...................................................................................... 3 1.3 Stormwater Pollution Prevention Team ......................................................................................... 3 1.4 Site Description ............................................................................................................................. 4 1.5 General Location Map ................................................................................................................... 5 1.6 Site Map ........................................................................................................................................ 5 SECTION 2: POTENTIAL POLLUTANT SOURCES .................................................................................... 7 2.1 Potential Pollutants Associated with Industrial Activity .................................................................. 7 2.1.1 Cell Areas ............................................................................................................................ 10 2.1.2 Maintenance Facilities ......................................................................................................... 10 2.1.3 Perimeter and Operations Roads ........................................................................................ 11 2.1.4 Soil Stockpiles ..................................................................................................................... 11 2.1.5 Entrance Area Facility – Run-on .......................................................................................... 11 2.2 Spills and Leaks .......................................................................................................................... 11 2.3 Unauthorized Non-Stormwater Discharges Documentation ........................................................ 13 2.4 Salt Storage................................................................................................................................. 14 2.5 Sampling Data Summary ............................................................................................................ 14 SECTION 3: STORMWATER CONTROL MEASURES .............................................................................. 18 3.1 Non-numeric Technology-based Effluent Limits .......................................................................... 18 3.1.1 Minimize Exposure .............................................................................................................. 18 3.1.2 Good Housekeeping ............................................................................................................ 19 3.1.3 Maintenance ........................................................................................................................ 20 3.1.4 Spill Prevention and Response ............................................................................................ 21 3.1.5 Erosion and Sediment Controls ........................................................................................... 23 3.1.6 Management of Runoff ........................................................................................................ 24 3.1.7 Salt Storage Piles or Piles Containing Salt .......................................................................... 24 3.1.8 Dust Generation and Vehicle Tracking of Industrial Materials ............................................. 24 3.2 Sector-Specific Non-Numeric Effluent Limits ............................................................................... 25 3.3 Numeric Effluent Limitations Based on Effluent Limitations Guidelines ....................................... 25 3.4 Water Quality-based Effluent Limitations and Water Quality Standards ...................................... 26 SECTION 4: SCHEDULES AND PROCEDURES ....................................................................................... 28 4.1 Good Housekeeping .................................................................................................................... 28 4.2 Maintenance ................................................................................................................................ 28 4.3 Spill Prevention and Response Procedures ................................................................................ 28 4.4 Erosion and Sediment Control ..................................................................................................... 28 4.5 Employee Training ...................................................................................................................... 28 4.6 Inspections and Assessments ..................................................................................................... 29 4.6.1 Routine Facility Inspections ................................................................................................. 29 4.6.2 Quarterly Visual Assessment of Stormwater Discharges ..................................................... 30 4.6.3 Additional Visual Inspection Requirements .......................................................................... 32 4.7 Monitoring ................................................................................................................................... 32 4.7.1 Quarterly Benchmark Monitoring ......................................................................................... 32 4.7.2 Effluent Limit Guideline Compliance Monitoring .................................................................. 34 i Stormwater Pollution Prevention Plan (SWPPP) Layon Municipal Sanitary Landfill - September 2015 SECTION 5: DOCUMENTATION TO SUPPORT ELIGIBILITY CONSIDERATIONS UNDER OTHER FEDERAL LAWS ........................................................................................................................................ 37 5.1 Documentation Regarding Endangered Species ......................................................................... 37 5.2 Documentation Regarding Historic Properties ............................................................................. 37 SECTION 6: CORRECTIVE ACTIONS ....................................................................................................... 39 6.1 Conditions Requiring SWPPP Review and Revision to Ensure Effluent Limits are Met .............. 39 6.2 Conditions Requiring SWPPP Review to Determine if Modifications Are Necessary .................. 39 6.3 Corrective Actions and Deadlines ............................................................................................... 40 6.3.1 Immediate Actions ............................................................................................................... 40 6.3.2 Subsequent Actions ............................................................................................................. 40 6.4 Corrective Action Documentation ................................................................................................ 40 SECTION 7: SWPPP CERTIFICATION ...................................................................................................... 43 SECTION 8: SWPPP MODIFICATIONS ..................................................................................................... 45 SWPPP ATTACHMENTS ........................................................................................................................... 45 TABLES Table 1 Operator’s Staff Members and Responsibilities Table 2 Potential Pollutants Associated with Industrial Activity Table 3 Potential Pollutants Sources of TSS and BMPs for Erosion Control Table 4 Potential Pollutants Sources (Other Than TSS) and BMPs Table 5 Areas of Site Where Potential Spills/Leaks Could Occur Table 6 Description of Past Spills/Leaks Table 7 Numeric Effluent Limitations Applicable to LMSL Facility (MSGP Table 8.L-2) ii Stormwater Pollution Prevention Plan (SWPPP) Layon Municipal Sanitary Landfill - September 2015 ACRONYMS BMP Best Management Practice BOD Biochemical Oxygen Demand CFR Code of Federal Regulations GEPA Guam Environmental Protection Agency GPS Global Positioning System LMSL Layon Municipal Sanitary Landfill mg/L milligrams per liter MS4 Municipal Separate Storm Sewer System MSGP Multi-Sector General Permit MSWLF Municipal Solid Waste Landfill Facility NASA National Aeronautics and Space Administration NOI Notice of Intent NPDES National Pollutant Discharge Elimination System RCRA Resource Conservation and Recovery Act SWPPP Storm Water Pollution Prevention Plan SPCC Spill Prevention Control and Countermeasures TDS Total Dissolved Solids TMDL Total Maximum