NAWT Resources
O&M Checklists
Operation & Maintenance checklists for wastewater system evaluations, inspections, and upkeep.
Operation & Maintenance Resources
Checklists for system evaluation and maintenance
NAWT’s O&M checklist library provides downloadable forms covering system descriptions and evaluations, site assessments, tanks, pumps, treatment and disinfection units, distribution methods, and residential evaluations.
The forms retain their existing NAWT form numbers so the checklist library below can be scanned by system component and evaluation type.
Included in the library
O&M checklist coverage
- System descriptions and evaluations
- Site assessment
- Holding, septic, processing and pump tanks
- Pumps and dosing systems
- Treatment and disinfection units
- Distribution and dispersal systems
- Residential evaluation survey
Checklist Library
Download O&M checklist forms
Select a checklist below to open the existing NAWT PDF in a new tab. Forms are grouped by their current numbering and system function.
Forms 1-1 through 1-2
System Description & Evaluation
Form 4-1
Site Assessment
Forms 5-1 through 5-2
Tanks
Forms 6-1 through 6-3
Pumping & Dosing
Forms 7-1 through 7-7
Treatment & Disinfection
Forms 8-1 through 8-7
Distribution & Dispersal
- Form 8-1Gravity distribution (Including Pump-to-Gravity) (GD)PDF
- Form 8-2Evapotranspiration beds (ETB)PDF
- Form 8-3Low-pressure drainfield (LPD)PDF
- Form 8-4aBottomless sand filters and mounds (BSF and MS)PDF
- Form 8-4bBottomless peat filter (BPF)PDF
- Form 8-5Dripfield (DF)PDF
- Form 8-6Spray field (SF)PDF
- Form 8-7Outfall (OS)PDF
Form D-1