FP25-005 Staff Decision - Laserfiche WebLink

Home Browse Search

of a dwelling. The dwelling approved by that floodplain permit permit was itself approved to be replaced in 2023 by Administrative Review AR 23-002. Having been the subject of these land use cases, the subject parcel is legal for land use purposes. 3. Surrounding lands are zoned EFU in all directions. The surrounding properties are a mix of rural residences scattered between large agricultural operations primarily engaged in production of grass seed and hazelnuts. 4. Soil % of Parcel SCS Soil Class High Value? Camas gravelly sandy loam 1.3% IIII Yes Cloquato silt loam 66.2% II Yes Fluvents-Fluvaquents complex 32.5% VI Yes 5. The applicants propose to place a manufactured dwelling within the 100-year floodplain of the North Santiam River to replace a home that was destroyed by fire on December 25, 2020, and approved for replacement by AR23-002. 6. Various government agencies were contacted with Requests for Comment. Marion County Land Development, Engineering, and Permitting commented: “ENGINEERING REQUIREMENT A. Transportation System Development Charges (SDCs) & Parks fee are assessed upon application for building permits for a new dwelling. Fee credits for a prior existing dwelling is afforded for a period of up to one year from the date of last occupancy of the removed dwelling.” Marion County Building Division commented: “Permit(s) are required to be obtained prior to the placement of a replacement manufactured home. Please revise the site plan to identify the floodplain or floodway. If the entire property is located within one of these areas, please note this upon the site plan. Please also note the proposed floor elevation above the flood area.” Marion County Septic commented: “Septic has no comments on the subject RFC. An active major repair permit has been issued for the house to connect to. 555-25-001054” All other contacted agencies failed to comment or stated no objection to the proposal. 7. The purpose of the Floodplain Overlay Zone is to promote public health, safety and general welfare to minimize public and private losses due to flood conditions. The criteria and standards which must be satisfied are listed in Section 17.178.050 and 17.178.060 of the Marion County Code (MCC). 8. The property is within Marion County, but appears to have been within Linn County at some time in the past, and is still on a Flood Insurance Rate Map (FIRM) that is titled for Linn County. The FIRM is #41043C0045G and it indicates that the proposed placement site is within an undefined Zone A floodplain. Through a review of LOMA denials on the property, it was determined that the applicants base flood elevation at the proposed homesite is 335.7’ (NAVD 88). It was also determined that the base flood elevation at the alternative homesite is 334.5’ (NAVD 88). 9. MCC chapter 17.178.050 (Conditional Use procedures and requirements) B-E pertain to this permit: B. When base flood elevation data and floodway data have not been provided in accordance with MCC 17.178.030, the applicant, with the assistance of the floodplain administrator, shall obtain and reasonably utilize any base flood elevation data or evidence available from a federal, state or other source in order to determine compliance with the flood protection standards. If data are insufficient, the floodplain administrator may require that the applicant provide data derived by standard engineering methods. It is important to note again that this parcel was previously part of Linn County, and is currently still considered within a Linn County FIRM (Flood Insurance Rate Map). Linn County measures flood elevations using NAVD 88, as opposed to Marion County which still uses NVGD 29. The property owners have applied for two LOMAs to remove the highest two sections of the property