Onsite Sewage Treatment and Disposal
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RULES OF STATE BOARD OF HEALTH BUREAU OF ENVIRONMENTAL SERVICES DIVISION OF COMMUNITY ENVIRONMENTAL PROTECTION CHAPTER 420-3-1 ONSITE SEWAGE TREATMENT AND DISPOSAL ADOPTED BY THE STATE BOARD OF HEALTH _______ EFFECTIVE DATE MARCH 6, 2017 ALABAMA STATE BOARD OF HEALTH ALABAMA DEPARTMENT OF PUBLIC HEALTH BUREAU OF ENVIRONMENTAL SERVICES DIVISION OF COMMUNITY ENVIRONMENTAL PROTECTION ONSITE SEWAGE TREATMENT AND DISPOSAL ADMINISTRATIVE CODE CHAPTER 420-3-1 TABLE OF CONTENTS 420-3-1-.01 Definitions .................................................................................................................................... 1 420-3-1-.02 Use of an Onsite Sewage Treatment and Disposal System (OSS) ............................................. 14 420-3-1-.03 General Requirements for an OSS ............................................................................................. 14 420-3-1-.04 OSS Type, Site Classification, and Development ...................................................................... 15 420-3-1-.05 Permits Required for an OSS ..................................................................................................... 16 420-3-1-.06 Proprietary and Non-Proprietary Product Permits...................................................................... 17 420-3-1-.07 OSS Installation ......................................................................................................................... 18 420-3-1-.08 Engineer Design Required.......................................................................................................... 19 420-3-1-.09 Minimum Lot Size Requirements for Sites Using an OSS......................................................... 20 420-3-1-.10 Easements Required ................................................................................................................... 21 420-3-1-.11 General Requirements for All Permit Applications ................................................................... 21 420-3-1-.12 Time Limitations and Permitting Actions .................................................................................. 22 420-3-1-.13 General Provisions for Small-Flow Development/OSS ............................................................. 23 420-3-1-.14 Construction Plan Requirements for Small-Flow Engineered Developments or Systems ......... 23 420-3-1-.15 General Provisions Large-Flow Development or OSS ............................................................... 23 420-3-1-.16 Exceptions to the Large-Flow Development Rules .................................................................... 24 420-3-1-.17 Establishments............................................................................................................................ 24 420-3-1-.18 Site Development Plan Requirements ........................................................................................ 25 420-3-1-.19 Application Requirements for Individual OSS on Each Lot in a Large-Flow Development ..... 25 420-3-1-.20 Application Requirements for Large-Flow Systems .................................................................. 25 420-3-1-.21 General Requirements for Performance Standards .................................................................... 26 420-3-1-.22 Requirements for Performance Permits...................................................................................... 26 420-3-1-.23 Measurement Frequency, Limit Maximums, and Averages ....................................................... 30 420-3-1-.24 Reporting .................................................................................................................................... 31 420-3-1-.25 Calculating Permit Discharge Limitations for Performance Permits ......................................... 31 420-3-1-.26 Schedule of Compliance for Performance Permits..................................................................... 31 Tanks 420-3-1-.27 Septic Tank, Grease Trap, Trash Trap, and Holding Tank Standards and Specifications .......... 32 420-3-1-.28 Tank Installation......................................................................................................................... 35 420-3-1-.29 Tank Testing and Quality Control .............................................................................................. 36 420-3-1-.30 Tank Manufacturer Inspections .................................................................................................. 37 420-3-1-.31 Prefabricated Septic Tank, Grease Trap, and Holding Tank Permit .......................................... 38 420-3-1-.32 Tank Manufacturer Records ....................................................................................................... 39 420-3-1-.33 Effluent Filter Specifications...................................................................................................... 39 420-3-1-.34 Holding Tank Requirements ...................................................................................................... 40 420-3-1-.35 Abandonment of a Sewage Tank................................................................................................ 41 Advanced Treatment, Drip Irrigation, Mounds, Grease Traps, and Pumps 420-3-1-.36 Advanced Treatment Required ................................................................................................... 41 420-3-1-.37 Advanced Treatment System (ATS) Specifications ................................................................... 42 420-3-1-.38 Drip Irrigation Approval ............................................................................................................ 43 420-3-1-.39 Drip Documentation and Warranty ............................................................................................ 44 420-3-1-.40 Use of a Grease Trap .................................................................................................................. 44 420-3-1-.41 Sewage Tank Pumping Permit ................................................................................................... 45 420-3-1-.42 OSS Requiring Pumping of Effluent .......................................................................................... 48 Systems and Criteria for Special Sites 420-3-1-.43 Non-Waterborne Systems: Pit Privies and Portable Toilets ....................................................... 49 420-3-1-.44 Composting and Incinerating Toilets ......................................................................................... 51 Signatories 420-3-1-.45 Signatories to a Permit Application and Report ......................................................................... 52 Variances 420-3-1-.46 Variance to Rules ....................................................................................................................... 52 Repairs 420-3-1-.47 Repair, Replacement, and Inspection of an Existing OSS.......................................................... 52 420-3-1-.48 Evaluation of an Existing OSS ................................................................................................... 54 Certifications 420-3-1-.49 Certifications .............................................................................................................................. 54 420-3-1-.50 Periodic Report Certifications .................................................................................................... 55 420-3-1-.51 Tank Testing Certification.......................................................................................................... 55 420-3-1-.52 Professional Signatures and Seals .............................................................................................. 56 Other 420-3-1-.53 Wastewater Management Entities .............................................................................................. 56 420-3-1-.54 Recording Requirements ............................................................................................................ 57 420-3-1-.55 Plat Signing by Alabama Department of Public Health or Local Health Departments ............. 58 420-3-1-.56 Recreational Vehicle/Camp Sites ............................................................................................... 58 420-3-1-.57 Appeals....................................................................................................................................... 59 420-3-1-.58 Access ........................................................................................................................................ 60 420-3-1-.59 Other Approvals Not Implied ..................................................................................................... 60 420-3-1-.60 No Guarantee Implied ................................................................................................................ 60 SITE EVALUATION SECTION 420-3-1-.61 Site Limitation Determination (SLD) ......................................................................................... 60 420-3-1-.62 Slope and Landform Limitations ................................................................................................ 61 420-3-1-.63 Soil Permeability ........................................................................................................................ 62 420-3-1-.64 Soil Testing Depth Requirements............................................................................................... 64 420-3-1-.65 Minimum Testing Standards