Wastewater Inspections
These checklists, forms, and checksheets are used by DEQ staff during the inspection and compliance process for holders of Virginia Pollutant Discharge Elimination System or Virginia Pollution Abatement permits.
Wastewater inspection checklists
Technical checklists
The following checklist forms are available as Portable Document Format 
(PDF) documents:
- Animal Feeding Operation Inspection Checklist
- Unit process: Activated carbon adsorption
- Unit process: Activated sludge aeration
- Unit process: Aerobic digestion
- Unit process: Anaerobic digestion
- Unit process: Centrifugation
- Unit process: Chlorination
- Unit process: Clarigester
- Unit process: Composting
- Unit process: Dechlorination
- Unit process: Drying beds
- Unit process: Effluent/plant outfall
- Unit process: Filtration
- Unit process: Flow equalization
- Unit process: Flow measurement
- Unit process: Flotation thickening
- Unit process: Gravity thickening
- Unit process: Imhoff tank
- Unit process: Incineration
- Unit process: Ponds/lagoons
- Unit process: Land application of sludge
- Unit process: Oil/water separator
- Unit process: Ozonation
- Unit process: Post aeration
- Unit process: Pressure filtration (sludge)
- Unit process: Rotating biological contactors
- Unit process: Rapid mix
- Unit process: Septic tank/dosing siphon/sand filter
- Unit process: Screening/comminution
- Unit process: Sedimentation
- Unit process: Sewage pumping
- Unit process: Sludge pumping
- Unit process: Thermal treatment
- Unit process: Trickling filters
- Unit process: Evaluation summary sheet
- Unit process: Ultraviolet (UV) disinfection
- Unit process: Vacuum filtration
These laboratory checksheets are intended to serve as guidelines for DEQ staff conducting inspections and should not be construed to represent comprehensive diagnostic performance evaluation or complete analytical procedures. Under no circumstances are they to serve as a substitute for methodologies approved in 40 CFR Part 136 and/or required VPDES/VPA permit compliance monitoring.
Laboratory checklists
The following checklist forms are available as Portable Document Format (PDF) documents:
- Dissolved oxygen - Electrode
- Dissolved oxygen - Winkler
- Sample analysis holding time/container/preservation checksheet
- pH, HACH 17-N pH test kit
- pH, electrometric method
- Equipment temperature log/thermometer calibration
- Temperature, thermometric method
- Total residual chlorine, amperometric titration (direct) method
- Total residual chlorine, HACH CN-66 test kit
- Total residual chlorine, DPD colorimetric method
- Total residual chlorine parameter, DPD/FAS titrimetric method
- Total residual chlorine, DPD colorimetric (HACH DR-100)
- Total residual chlorine, chlorine electrode method
- Total residual chlorine, titrimetric, iodometric back (iodate titrant) method
- Total residual chlorine, titrimetric, iodometric or amperometric back (iodine titrant)
- Total residual chlorine, iodometric direct method
- Total residual chlorine, DPD colorimetric (HACH pocket colorimeter)
- Total residual chlorine using a LaMotte instrument