Clean Water Branch

• Current Water Quality Advisories
• Current Public Notices and Updates
• About CWB
• History and Mission Statement
• Contact Us

References and Public Records

• CWB Standard Comments
• Water Quality References
• Workshop Presentations
• Water Pollution Control (WPC) Viewer for Public Access to Government Documents
• Post-2018 Final Individual NPDES Permits
• Request to Access a Government Record Form

NPDES Permitting

• NPDES Permits and How to Apply
• Permitting FAQs
• Forms
• e-Permitting Portal
• NPDES General Permits
• Standard Individual NPDES Permit Conditions
• Industrial Storm Water and No Exposure Exclusion
• Dental Amalgam Rules

Section 401 Water Quality Certification (WQC)

• Section 401 WQC
• Blanket Section 401 WQC
• Vessel General Permit (VGP)
• Small Vessel General Permit (sVGP)

Hawaii Administrative Rules (HAR)

• 11-53, Section 401 Water Quality Certifications
• 11-54, Water Quality Standards
• 11-55, Water Pollution Control
• 11-56, Nonpoint Source Pollution Control

Polluted Runoff Control Program

• About the Polluted Runoff Control Program
• 319 Grant Program
• Watershed-Based Plans
• Plans and Reports
• Agriculture
• Wastewater
• What You Can Do

Water Quality Monitoring

• Beach Monitoring Program
• Water Quality Notifications
• General Health Advisory
• Integrated Report and Total Maximum Daily Loads
• Water Quality Data
• Water Quality Standards Map