HRSD Industrial Wastewater Discharge Regulations (Effective July 1, 2022)
HRSD Enforcement Response Plan (Effective July 1, 2022)
COD:BOD Discharge Authorization Criteria
HRSD Toxic Organics List
Zero Discharge Pollutants
Significant Non Compliance Criteria

40 CFR Part 136
Categorical Effluent Guidelines
Virginia's Dental Rule

CIU Summary Report and TTO Certification Statement
Certification Statement Form
Federal Facility Inflow & Infiltration Reference Information
     10 year Peak Flow Determination
     Log-Pearson Distribution Spreadsheet
     Technical Standards
Find a VELAP Accredited Laboratory
Flowmeter Supply and Calibration
Signatory Authorization