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Onsite Sewage Interoffice Memoranda

The following are active Onsite Sewage Program memos, organized by date of issue. These memos contain direction for personnel working in the onsite sewage treatment and disposal system organization. Unless otherwise noted, all materials are in the Portable Document Format (PDF) and are less than 5 mb in size. All historical memos not present are viewable in DEPs online repository: Oculus in the Memos profile of the Onsite Sewage catalog.

2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 20012000

Date Memo
June 28, 2022 Interim Guidance for Private Provider Inspections
April 29, 2022 OSP Virtual Reinspection Memo  
July 22, 2021 Updates to Environmental Health Program Manual 150-4
June 29, 2021 DCEH 21-006 2021 OSTDS Variance Mailing Address Change
Dec. 10, 2020 DCEH 20-007 2021 OSTDS Variance Committee Meetings
Aug. 27, 2020 DCEH 20-003 Revised Memo Variance Dates Oct., Nov. and Dec.; variance dates 2020
April 30, 2020 DCEH 2020-001 Seals by Engineers-Physical and Digital Seals and Signatures
June 14, 2019 DCEH 2019-012 MARS Instructions
May 13, 2019 DCEH 2019-010 Perched or Apparent Water Table
Feb. 1, 2019 DCEH 2019-002 Jet CF ANSI NSF 40 and 245 ATU approval 
Feb. 1, 2019 DCEH 2019-003 Secured Tank Lids
Feb. 1, 2019 DCEH 2019-004 Application of New System Construction Standards
Nov. 1, 2018 DCEH 2018-014 2019 OSTDS Variance Locations
Oct. 1, 2018 DCEH 2018-010 Reclassification Approval for Presby AES with attachments
Sept.r 1, 2018 DCEH 2018-009 ANSI NSF 40 ATU Clearstream approval, manual, tank list, NSF 40 report
July 1, 2017 DCEH 17-007 ANSI NSF 40 ATU Bio-Microbics Biobarrier memo, NSF Report, Owners Manual
July 1, 2017 DCEH 17-009 OSTDS Variance Meeting Schedule for 2018
Sep. 29, 2016 DCEH 16-010 Water Softener Discharge into Onsite Systems
May 27, 2016 DEP/DOH 2016 Letter Alternatives for Septage Management Guidance
April 8, 2016 DCEH 16-004 Implementation of Septage Land Application Prohibition
Feb. 10, 2016 DCEH 16-001 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new/updated listing) Fuji Clean USA CE and CEN Series
Sept. 22, 2015 DCEH 15-006 Engineering Documents Required To Be Sealed
Sept. 22, 2015 DCEH15-007 Riser Standards for Repair Situations
Sept. 30, 2013 DCEH 13-010 Existing Onsite Sewage System Decision Trees - 64E-6.001(4), FAC
Aug. 15, 2013 Amendments Onsite Sewage Programs - Amendments to Chapter 64E-6, Florida Administrative Code, Effective July 16, 2013
July 16, 2013 DCEH 13-008 Onsite Sewage Programs - Amendments to Chapter 64E-6 
July 10, 2013 DCEH 13-005 Implementation of 2013 Legislation - HB 2690
July 3, 2013 DCEH 13-004 Implementation of 2013 Legislation - Florida Keys
March 13, 2013 DCEH 13-003 Maintenance Entities for Aerobic Treatment Units and Performance Based Treatment Systems
Jan. 18, 2013 DCEH 13-001 Alternative Drainfield Product and Low Pressure Dosing Requirement
Dec. 5, 2012 HSES 12-009 OSTDS Variance Committee Meetings
Oct. 5, 2012 DCEH 12-008 Commercial Onsite Systems Under Pavement
June 4, 2012 HSES 12-007 HB 1263 - Onsite Sewage System Evaluation Program
April 30, 2012 HSES 12-006 Implementing HB 1263 Onsite Sewage Program Provisions
March 30, 2012 HSES 12-005 Guidance on Permitting and Inspections of OSTDS Repairs That Use Alternative Repair Methods
March 29, 2012 HSES 12-004 Interagency Coordination Regarding Regulated Establishments DOH/ DBPR / DACS/ APD / AHCA / DCF
Feb. 27, 2012 HSES 12-002 Guidance for DEP/DOH Agreement
Feb. 25, 2012 HSES 12-003 Maintenance and Repair of ATU Systems and PBTS
Feb. 2, 2012 HSES 12-001 Interagency Coordination with DOH/DEP/DACS for the Onsite Wastewater and Onsite Water Systems for Small Farms & Alternative Enterprises
Nov. 17, 2011 HSES 11-007 OSTDS Variance Committee Meetings
Sept. 30, 2011 HSES 11-006 2011 Update to Surface Water Boundary Determinations
June 15, 2011 HSES 11-004 OSTDS Variance Committee Meetings
May 11, 2011 HSES 11-003 Interagency Coordination Regarding Regulated Establishments DOH / DBPR / DACS / APD / AHCA / DCF
Jan. 28, 2011 HSES 11-002 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new/updated listing)
Jan. 27, 2011 HSES 11-001 2011 Onsite Sewage Program Evaluations
Nov. 20, 2010 HSES 10-013 OSTDS Variance Committee Meetings
Oct. 28, 2010 HSES 10-012 Update to Applicable Sections of the environmental Health Manual 150-4 and Standardization Tools
Sept. 21, 2010 HSES 10-011 Updates to the Accelerated Certification Training
Aug.9, 2010 HSES 10-010 2010 Septic Tank Contractor Registration Renewals
July 21, 2010 HSES 10-009 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
July 14, 2010 HSES 10-008 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
June 30, 2010 HSES 10-007 Implementation of Ch. 2010-205 (SB 550) – Florida Keys
June 23, 2010 HSES 10-006 Inspection Procedures for ATUs and PBTS
June 11, 2010 HSES 10-005 Surface Water Boundary Determinations
May 27, 2010 HSES 10-004 Onsite Sewage Program On-The-Job Trainings Required Prior to Taking the Accelerated Certification Class
April 23, 2010 HSES 10-003 Exemption from public record disclosure
March 30, 2010 HSES 10-002 Tanks in Traffic Areas
Feb. 16, 2010 HSES 10-001 Review of Performance-Based Treatment System Applications
Dec. 24, 2009 HSES 09-012 Implementation of Amended Rule 64E-6.003, Florida Administrative Code
Dec. 10, 2009 HSES 09-011 OSTDS Variance Committee Meetings
Oct. 30, 2009 HSES 09-010 Site Plan Requirements
Aug.28, 2009 HSES 09-009 Tracking of OSTDS Managed Systems
Aug. 24, 2009 HSES 09-008 Site Plan Requirements
Aug. 10, 2009 HSES 09-007 2009 Septic Tank Contractor Registration Renewals
June 19, 2009 HSES 09-006 Surface water boundary documentation
April 7, 2009 HSES 09-004 OSTDS Sizing for AHCA and APD-Licensed Group Care Facilities
March 27, 2009 HSES 09-005 Approval to Cut Advanced Drainage Systems, Inc. ARC-24 Plastic Leaching Chamber
Feb. 25, 2009 HSES 09-003 Permitting Evapotranspiration/Vegetated Submerged Bed
Feb.13, 2009 HSES 09-002 Renewal of Septic Tank Contracting Certificates of Authorization
Feb. 10, 2009 HSES 09-001 Onsite Sewage Program Evaluations 2009
Nov. 18, 2008 HSES 08-007 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing) - JET, Inc. with the Models J-500, J-600, J-750, J-1000, J-1250, and J-1500 Wastewater Treatment System Aerobic Treatment Unit (ATU) certification
Aug. 11, 2008 HSES 08-004 Alternative Drainfield Approval-Ring Industrial Group, EZflow 1003-Geo, EZflow 1203-Geo
May 20, 2008 HSES 08-005/HSEC 08-08 Sanitary Facilities at Temporary Events
April 24, 2008 HSES 08-003 Maintenance and Monitoring Performance Based Treatment Systems
Jan. 17, 2008 HSES 08-001 Onsite Sewage Program Evaluations 2008
Jan.17, 2008 HSES 08-002 RE-HOST vs. Carmody Database
Dec. 10, 2007 HSES 07-013 Alternative Drainfield Approval-PSA Inc., ARC 24 Plastic Leaching Chamber
Nov. 19, 2007 HSES 07-012 OSTDS Variance Committee Meetings
Oct. 24, 2007 HSES 07-011 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
Oct. 8, 2007 HSES 07-010 Existing System Evaluations
Sept. 10, 2007 HSES 07-009 Amended Chapter 64E-6.030, Fees
Aug. 10, 2007 HSES 07-008 2007 Septic Tank Contractor Registration Renewals
June 29, 2007 HSES 07-007 Coastal Construction Control Line and OSTDS installation
April 2, 2007 HSES 07-006 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
March 26, 2007 HSES 07-005 Interagency Coordination Regarding Regulated Food Establishments DOH/ DBPR / DACS
March 15, 2007 HSES 07-004 Tank Baffle Defects
Feb. 15, 2007 HSES 07-002 Renewal of Septic Tank Contracting Certificates of Authorization
Feb. 1, 2007 HSES 07-003 Maintain the Drain - Video Public Service Announcements
Jan. 24, 2007 HSES 07-001 Onsite Sewage Program Evaluations 2007
Dec. 29, 2006 HSES 06-020 Modifications to 64E6.013, Florida Administrative Code Construction Materials and Standards for Treatment Receptacles
Dec. 22, 2006 HSES 06-019 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
Dec. 15, 2006 HSES 06-018 Policy on Retention of Onsite Sewage Construction Permit Records
Dec. 14, 2006 HSES 06-015 ANSI/NSF Standard 41, Non-Liquid Saturated Treatment Systems (new listing)
Nov. 1, 2006 HSES 06-014 Rescinding of HSES Information Memorandum 06-012
Nov. 1, 2006 HSES 06-013 De-sanding of Septage Pumper Trucks
Oct. 19, 2006 HSES 06-011 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
Sep. 22, 2006 HSES 06-010 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit Bord na Mona Environmental Products US, Inc Puraflow Model P150*3B
July 10, 2006 HSES 06-007 RMD Americas of Florida, LLC – Recycled Tire Chip Aggregate Approval
June 30, 2006 HSES 06-006 2006 Septic Tank Contractor Registration Renewal Continuing Education Requirements
June 20, 2006 HSES 06-005 Application of the Four Lots Per Acre Provision of 381.0065(4)(b), FS
June 5, 2006 HSES 06-004 Permitting of OSTDS Seaward of the Coastal Construction Control Line
May 3, 2006 HSES 06-003 Seasonal High Water Table Indicators
April 27, 2006 HSES 06-002 Approval of recycled tire aggregate by Global Tire Recycling
Dec. 8, 2005 HSES 05-020 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
June 27, 2005 HSES 05-014 Soil Profile Information
June 22, 2005 HSES 05-013 Certified and Registered Plumbers Providing Septic Tank Contracting Services
June 6, 2005 HSES 05-012 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
May 10, 2005 HSES 05-010 Spoil material disposal
April 6, 2005 HSES 05-008 Onsite Sewage System Requirements for Replacement of Structures Destroyed during Fires or Natural Disasters.
Feb. 9, 2005 HSES 05-006 Septic Tank Contracting Services
Dec. 3, 2004 HSES 04-008 OSTDS Variance Committee Meetings
Nov. 29, 2004 HSES 04-007 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
April 30, 2004 HSES 04-003 Clarification of Original System Installation Date
Dec. 9, 2003 HSES 03-017 OSTDS Variance Committee Meetings
Oct. 29, 2003 HSES 03-016 Operating Permits for Existing Commercial Wastewater Establishments
Sep. 11, 2003 HSES 03-014 Permitting Standards for Florida Keys Phosphorus Removal Systems
Aug. 27, 2003 HSES 03-013 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
Aug. 4, 2003 HSES 03-011 Sunshine State One Call of Florida, Inc.
Aug. 4, 2003 HSES 03-010 Residential Sizing – Building Area and Bedroom Definitions
July 8, 2003 HSES 03-008 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit (new listing)
June 20, 2003 HSES 03-007 Existing Onsite Systems in the Suwannee and Aucilla Floodways
Feb. 17, 2003 HSES 03-002 Renewal of Septic Tank Contracting Certificates of Authorization
Jan. 13, 2003 HSES 03-001 Accelerated OSTDS Certification Training
Dec. 3, 2002 HSES 02-030 Form DH 3146, 11/02, Citation For Violation
Aug. 8, 2002 HSES 02-026 Obstructed Land
June 28, 2002 HSES 02-025 Repair of Tank Inlet and Outlet Seals
June 18, 2002 HSES 02-024 ANSI/NSF Standard 40, Class I, Aerobic Treatment Units (new listings)
June 17, 2002 HSES 02-023 ADS/PSA Components (Bio2 and Bio3 Angle chamber)
June 7, 2002 HSES 02-022 Performance Based Treatment Systems
May 28, 2002 HSES 02-020 IOS-500 additive injection unit marketed as Eco-Pure Biological Digester
May 24, 2002 HSES 02-019 Infiltrator Components (EQ 24 and 36 Swivel Unit)
April 26, 2002 HSES 02-018 Acceptable Excavation Practices for OSTDS Installations
April 22, 2002 HSES 02-017 Permitting of Centralized Onsite Systems for Subdivisions
March 29, 2002 HSES 02-015 New Tank Inspection Procedures
March 18, 2002 HSES 02-013 Alternative Drainfield Approval-PSA Inc., Bio-Diffuser
March 14, 2002 HSES 02-011 Inspection of Plastic Leaching Chamber Drainfield Systems
March 5, 2002 HSES 02-008 ANSI/NSF Standard 40, Class I, Aerobic Treatment Units
Feb. 15, 2002 HSES 02-006 Cultec Contactor Chamber Approval Clarification
Feb. 12, 2002 HSES 02-005 Effluent Filter Approval, Sim/Tech
Feb. 11, 2002 HSES 02-004 Zabel Versa-Tee
Feb. 1, 2002 HSES 02-002 ANSI/NSF Standard 40, Class I, Aerobic Treatment Units (new listings)
Jan. 28, 2002 HSES 02-001 ANSI/NSF Standard 40, Class I, Aerobic Treatment Units (new listings)
Dec. 10, 2001 HSES 01-036 Infiltrator Specifications for Filter Fabric Use as Barrier Material
Nov. 8, 2001 HSES 01-032 Dosing Tanks
Nov. 2, 2001 HSES 01-030 Existing and Repair Tank Certifications
Oct. 18, 2001 HSES 01-028 ANSI/NSF Standard 40, Class I, Aerobic Treatment Unit / New Listing
Oct. 8, 2001 HSES 01-027 Excavations
Sep. 25, 2001 HSES 01-026 Infiltrator Components (ChamberSpacer, Posilok endplate, and Equalizer QuickKut Chamber)
Aug. 27, 2001 HSES 01-025 Septic System Additives
Aug. 22, 2001 HSES 01-023 Changes to Terralift Operating Manual
Aug. 22, 2001 HSES 01-022 Watertightness Testing of Septic Tanks in the Field
June 12, 2001 HSES 01-017 2001 Statutory Changes for Aerobic Treatment Unit Systems and Performance Based Treatment Systems
June 7, 2001 HSES 01-016 Effluent Filter Approval, Bio Weir
April 26, 2001 HSES 01-015 Alternative Drainfield Approval-Cultec
April 19, 2001 HSES 01-014 Alternative Drainfield Materials and Design Approval for Drip Effluent Disposal Systems
April 12, 2001 HSES 01-013 Requiring Engineers to Design Repairs (64E-6.004(4), FAC)
March 21, 2001 HSES 01-011 ANSI/NSF Standard 40, Class I, Aerobic Treatment Units and NSF Protocol P157 Electrical Incinerating Toilets-Health and Sanitation (new listings)
Feb. 27, 2001 HSES 01-008 Approved OSTDS Products Listings
Feb. 22, 2001 HSES 01-007 Required Attachment to Denial Letters, OSTDS Program Only
Nov. 29, 2000 HSES 00-029 OSTDS Repairs Using Terralift Equipment
Nov. 27, 2000 HSES 00-030 EZflow Alternative Drainfield Products
Nov. 20, 2000 HSES 00-028 Tank Lid and Manhole Standards
June 28, 2000 HSES 00-016 Voluntary OSTDS Inspections (pdf)
June 5, 2000 HSES 00-013 Approval of Soil Guard Soil Stabilizer
June 5, 2000 HSEWOS 00-008 Chapter 120 Variance - Alpha General Septic, Inc.
June 1, 2000

HSES 00-014 Permitting Coordination in Jurisdictional Areas

May 5, 2000 HSEWOS 00-011 Revisions to HSEWOS Information Memorandum 99-029
1999 Statutory Changes – Onsite Sewage Program
April 24, 2000 HSES 00-012 Approval of recycled tire aggregate that is mixed with mineral aggregate

Last Modified:
September 30, 2024 - 7:49am

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