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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