Evaluation Completed

These O&M manuals are provided by the manufacturers of treatment systems and provide manufacturer’s recommendations for one component of the alternative onsite sewage system. The engineer must provide a site specific O&M manual covering all components of the system to comply with 12 VAC 5-613-150 for each installation. The site specific O&M manual for each system will be on file at the local health department and will provide O&M guidance that complies with the Alternative Onsite Sewage System Regulations.

Brand Name




O&M Manual

Orenco Systems, Inc.

AX20 Pump Discharge Option 1.pdf

VA Test Data.pdf

AdvanTex OM advanced service and troubleshooting.pdf

AX20 Pump Discharge Option 2.pdf

AX25RT Approval Letter 1, 750 gpd

AX25RT Approval Letter 2, 750 gpd

AdvanTex OM start-up and routine maint.pdf

AX20 Single Pod Single Tank.pdf

VA Final Report.pdf

AX20 Single Pod Two Tank.pdf

AX20 Two Pod Two Tank.pdf

AX20RT Configurations

Ecological Tanks, Inc.

AS500 EZ TOPwithdischargefilter1.pdf

aquasafe engineering cert


VA Agreement

Old Dominion Engineering letter

NPDES Sampling…Ohio

9.23.13 Approval Letter

1.31.18 Approval Letter      (AS1000)

1.18.18 Request for Approval (AS1000)

Quanics, Inc.

VDH 1000 gpd BC system.pdf

Engineer’s Product Certification Statement and Evaluation.pdf


VDH 1000 gpd NSF certified BC.pdf

Manufacturer Agreement.pdf

VDH 200 gpd BC system.pdf

Bio-COIR Final Report

VDH 400 gpd BC system.pdf

VDH Approval Letter

VDH 500 gpd NSF certified BC system.pdf

VDH 650 gpd BC system.pdf

VDH 750 gpd NSF certified BC system.pdf


Approval Letter_7-13-10.pdf

Clearstream Operation and Maintenance Manual.pdf

Clearstream PE Certification Letter – 2009-11-05.pdf

Trinity River Authority Letter_5-17-2010.pdf

peyton analysis.pdf

Clearstream Records TRA Livingston TX ALL BOD-TSS.xls

Stats w MJD Mod Clearstream Records TRA Livingston TX ALL BOD-TSS.xls

Premiere Tech

Attachment 1

Field Performance Assessment Ecoflo.pdf

Ecoflo O&M manual.pdf

Attachment 2

Copy of Appendix A Oct 112007.xls

Concrete Ecoflo.pdf

Attachment 3

Virginia monitoring Appendix B 2007.05.16.pdf

Fiberglass Ecoflo.pdf

Attachment 4

PTE dosing control unit.pdf

Ecoflo Reference Guide- includes ST-570P, STB-570P, and STB-570PR with PE tanks

PTE pumping unit.pdf

PTE time dosing unit.pdf

Model ST-650P, STB-650P, & STB-650PR Approval Letter 7-31-2012

EZ Treat Corporation

Tank Sizing

MOUA Approval Memo Approval Letter

EZ Treat O&M Manual

Product Brochure: MicroFAST®


NEIWPCC_data letter_1109.pdf

Data_06 04 09.pdf


FAST® Process Explanation

MicroFAST 0.5-1.5

MicroFast – VA Tank Sizes

BioMicrobics Fecal Coliform Report.pdf


Agency Response to Request.pdf


Request for Approval.pdf

Additional information with FAST® Owner’s Manual:  Do’s & Don’ts Poster

April_2012_0.625 Approval Letter.pdf


Puraflo O&M.pdf

Copy of Puraflocalc.xls

Puraflo Owners Manual.pdf

Puraflo Final Report.pdf

Anua Treatment System Tracking Sheet

Puraflo Design Spreadsheet

*Perpetual disinfection is only necessary when the vertical separation (from the trench bottom or pad bottom to the soil limiting feature) is less than what is required for secondary or better effluent.