Dewatering General Permit Program

New General Permits

On March 31, 2020, the division issued five new dewatering-related general permits to renew and/or replace previous general permits.  General permits COG080000, COG317000, COG318000, COG608000, and COG603000 are now effective. This page provides an overview of the dewatering permit program, downloadable permits documents, and a link to request a permit action.

• Dewatering General Permit Program Overview.

• Dewatering General Permit Program Schematic.

• Permit Applications, Dewatering Training, Compliance Assistance, and Technical Resources:

  • Access CEOS to apply for a permit, or to modify, terminate, transfer, change contact, etc.  

  • Find application forms.

  • Find dewatering-related training, compliance assistance, and technical and policy resources.

General permits and fact sheets

• COG080000 – Discharges from Short-term (< 2 year) Construction Dewatering Activities.
  • General Permit. 
  • Fact sheet and Response to Public Comments.

• COG317000 – Discharges from Short-term (< 2 year) Remediation Activities.
  • General Permit.
  • Appendix A.
  • Fact sheet - Modification 1
  • Fact sheet and Response to Public Comments.

• COG318000 – Discharges from Long-term (≥ 2 year) Remediation Activities.
  • General Permit.
  • Appendix A.
  • Appendix B.
  • Fact sheet - Modification 1
  • Fact sheet and Response to Public Comments.

• COG603000 – Discharges from Subterranean Dewatering Activities. 
  • General Permit.
  • Fact sheet and Response to Public Comments.

• COG608000 – Discharge to Surface Water from Well Development and Pump Testing Activities
  • General Permit.
  • Fact sheet and Response to Public Comments.