Regulatory Guidance
The following links provide guidance, regulatory and contact information for various aspects of flood control and drainage management, and other flood-related planning. Links are provided for Federal, State, and County agencies.
| AGENCY | PERMITS / REGULATIONS | ||||
| Building/Zoning/Grading | Coastal Area | Streams | 404/410 | Special | |
| Federal | Legend: “R” Regulation, “P” Permit | ||||
| Commission on Water Resource Management (CWRM) | P | ||||
| Environmental Protection Agency: Clean Water Act | R | R | |||
| United States Army Corps of Engineers: River & Harbor Act | P,R | ||||
| Watershed Protection and Flood Prevention Act | R | ||||
| Coastal Zone Management (CZM) | P,R | ||||
| State | Legend: “R” Regulation, “P” Permit | ||||
| Flood Control & Flood Water Conservation (HRS Chapter 179) | R | R | |||
| State of Hawaii Multi-Hazard Mitigation Plan (2023) | R | ||||
| Soil and Water Conservation District Program (HRS Chapter 180) | R | R | |||
| State of Hawaii Department of Health | P | P,R | |||
| County | Legend: “R” Regulation, “P” Permit | ||||
| Kauai County: Ordinance General Standards for Drainage | P,R | R | |||
| City & County of Honolulu: Rules Relating to Storm Drainage Standards | P | P | R | ||
| Rules for the Design of Storm Drainage Facilities in the County of Maui | P | R | |||
| County of Hawaii Storm Drainage Standard (1970) | P | R | R | ||
