Wash. Admin. Code § 173-700-313
The ranges for establishing conversion rates for wetland areas are as follows:
| If the mitigation activity is: | The conversion rate can range from:Area of activity: Credit |
| Reestablishment | 1:1 to 2:1 |
| Creation (establishment) | 1:1 to 2:1 |
| Rehabilitation of altered processes | 2:1 to 3:1 |
| Enhancement of wetland structure | 3:1 to 5:1 |
| Preservation: In combination with reestablishment, creation, rehabilitation, or enhancement of wetlands | 5:1 to 10:1 |
| Preservation: Alone | Case-by-case |
[Statutory Authority: Chapter 90.84 RCW. WSR 09-19-013 (Order 04-13), § 173-700-313, filed 9/3/09, effective 10/4/09.]