14.34.084 General requirements applicable to exemptions permitted in LMC 14.34.082.
All exemptions to the siting prohibitions listed in LMC 14.34.082 shall meet the following requirements:
A. All applicable requirements of this chapter are satisfied.
B. It does not increase the risk of flood hazard or displace flood waters to adjacent sites.
C. The improvement has no impact to critical habitat or any impacts are fully mitigated as determined by the Washington State Department of Fish and Wildlife.
D. Any impact to riparian habitat areas is fully mitigated and all critical area buffers and standards of Chapters 14.28 (Wetlands Protection), 14.32 (Tree and Vegetation Protection and Preservation) and 14.33 LMC (Habitat Conservation Areas Protection) are satisfied. This includes a two-hundred-foot buffer along Woodland Creek which exceeds the distance of Woodland Creek’s channel migration zone (CMZ).
E. Stormwater and drainage features shall incorporate LID techniques in accordance with the current City of Lacey Stormwater Design Manual.
F. Creation of new impervious surfaces shall not exceed ten percent of the surface area of the portion of the lot in the floodplain unless mitigation is provided.
G. Any loss of floodplain storage shall be avoided, rectified or compensated for. Any compensation off site must be in a priority floodplain restoration area identified in the associated ESU Recovery Plan for listed species.
H. Uses that are not permitted in the protected area because they can adversely affect water quality, habitat and other natural values and functions include:
1. Septic tanks and drainfields;
2. Dumping of any materials;
3. Hazardous or sanitary waste landfills;
4. Receiving areas for toxic or hazardous waste;
5. Other contaminants.
I. Uses shall comply with the city’s tree and vegetation protection and preservation ordinance (Chapter 14.32 LMC) which prohibits the removal of vegetation within critical areas or associated buffers. Minimal unavoidable disturbances may be permitted if fully mitigated.
J. Development may not adversely impact water quality, water quantity, flood volume, flood velocities, spawning substrate, and/or floodplain refugia for listed salmonids. Any project with impacts to these elements of the environment that are not fully mitigated will be prohibited.
K. Where an area is under the jurisdiction of the Shoreline Master Program (SMP) all requirements for protection of the natural functions and values shall be satisfied. This includes prohibition on location of new development requiring armoring for protection against natural shoreline processes and flooding.
L. New road crossing over streams in the floodplain or buffers associated with wetlands within designated flood hazard areas is prohibited. (Ord. 1505 §34, 2017; Ord. 1496 §26, 2016; Ord. 1398 §6, 2012; Ord. 1375 §21, 2011).