4) Reducing or eliminating the impact over time by 

 preservation and maintenance operations during the life of the 

 action; 



5) Compensating for the impact by replacing, enhancing, or 

 providing substitute resources or environments; 



6) Monitoring the impact and the compensation project and 

 taking appropriate corrective measures. Mitigation for 

 individual actions may include a combination of the above 

 measures . 



V. "Native Vegetation" means plant species which are indigenous 

 to the area in question. 



w. "Offsite compensation" means to replace wetlands away from the 

 site on which a wetland has been impacted by a regulated activity. 

 X. "Onsite compensation" means to replace wetlands at or adjacent 

 to the site on which a wetland has been impacted by a regulated 

 activity. 



y. "Out-of-kind compensation" means to replace wetlands with 

 substitute wetlands whose characteristics do not closely 

 approximate those destroyed or degraded by a regulated activity. It 

 does not refer to replacement " out-of -category. " 



z. "Practicable alternative" means an alternative that is available 

 and capable of being carried out after taking into consideration 

 cost, existing technology, and logistics in light of overall 

 project purposes, and having less impacts to regulated wetlands. It 

 may include an area not owned by the applicant which could 

 reasonably have been or be obtained, utilized, expanded, or managed 

 in order to fulfill the basic purpose of the proposed activity. 

 aa. "Puget Sound" means all salt waters of the state of Washington 

 inside the international boundary line between the State of 

 Washington and the province of British Columbia, lying east of one 

 hundred twenty-three degrees, twenty-four minutes west longitude, 

 bb. "Regulated wetlands," means ponds twenty acres or less, 

 including their submerged aquatic beds, and those lands defined as 

 wetlands under the federal clean water act, 33 u.s.c. Sec. 1251 et 

 seq., and rules promulgated pursuant thereto and shall be those 

 areas and those areas that are inundated or saturated by surface or 

 ground water at a frequency and duration sufficient to support, and 

 that under normal circumstances do support, a prevalence of 

 vegetation typically adapted for life in saturated soil conditions. 

 Regulated wetlands generally include swamps, marshes, bogs, and 

 similar areas. Wetlands created as mitigation and wetlands modified 

 for approved land use activities shall be considered as regulated 

 wetlands. All category I wetlands shall be considered regulated 

 wetlands. Regulated wetlands do not include category II and III 

 wetlands less than 2,500 square feet and category IV wetlands less 

 than 10,000 square feet. Regulated wetlands do not include those 

 artificial wetlands intentionally created from nonwetland sites, 

 including, but not limited to, irrigation and drainage ditches, 

 grass-lined swales, canals, detention facilities, wastewater 

 treatment facilities, farm ponds, and landscape amenities. The 

 applicant shall bear the burden of proving that the site was not 

 previously a wetland. For identifying and delineating a regulated 



