Treatment Works Approval Application Forms and Checklists

*Download forms to the right of your discharge category.

Discharge Category Description	Form Title
TWA - Treatment Works Approval	Treatment Works Approval Checklist for Administrative Completeness (439 kb) TWA-1 - TWA Permit Application (443 kb) TWA-2 - Time Extension Request Form (271 kb) WQM003-T - Statements of Consent (354 kb) WQM 005 - Certification of Completion (115 kb) WQM 006 - Engineer's Report for Domestic Treatment Works Approval Applications (31 kb) WQM 006A - Engineer's Report for Individual Subsurface Sewage Disposal Systems (37 kb) WFR-006GI - Professional Engineer's Certification for General Industrial Treatment Works Approval (TWA) Applications (7 kb)
Supplemental Forms for TWA Applications	DWR-175D - Domestic Wastewater Treatment System - Licensed Operator Grading Sheet DWR-175 - Industrial Treatment Wastewater Treatment System - Licensed Operator Grading Sheet (13 kb) Claim for Tax Exemption (40 kb) WFR-001 - Application for Exemption from a Sewer Connection Ban (47 kb)
Additional Application Resources	Treatment Works Approval (TWA) Fee Schedule html Treatment Works Approval Permit Application Deficiencies html

Contacts:

• If you have technical questions regarding Treatment Works Approval permits, please contact the Bureau of Environmental, Engineering and Permitting (BEEP).
• If you have questions regarding the administrative status of a TWA permit application, please contact the Permit Administration Section (PAS) of the Bureau of Ground Water, Residuals, and Permit Administration.