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Marion County OREGON COMMUNITY DL~VELO?MFNT DIEPAR]'MFNT NOTICE OF EVALUAtiON R~PORT FOR AN ON-SITE SEWAGE DISPOSAL SYSTEM March 14, 1994 Jack Hogan 2575 sw Palisades Crest Dr. Lake Oswego, Oregon 97035 SUBJECT~ SITE #94-00776, T:4S, R:lw, SITE ADDRESS: 14397 Keil Rd. NE, Aurora An evaluation has been made of the above described property proposed for installation of an on-site sewage disposal system. As a result of that investigation, it has been determined that the site specified on your applica- tion does not qualify for a standard septic system or any of the alternative systems. The conditions on the site do not meet the minimum requirements of the Department of Environmental Quality on-site Sewage Disposal Rules. These rules are specified in Oregon Administrative Rules, Chapter 340, Division 71, Sections 100 through 600. Consequently, this site must be denied. The principal reasons for denial of this site are related to water tables. The following paragraphs outline the specific reasons for this denial. WATER TABLE$= 1. A water table, as indicated by conditions associated with satura- tion, was obse~ed on the ~roperty as follows~ a. ~vidence of a ~mDorary water table was observed at 1--0 i. nches below the ground surface. These measurements were to the depth of the soil mottling or to the actual depth of an observed water table. 2. The above conditions do not mee= the minimum D.E.Q. rules pertain- ing to standard and alternative sewage systems. The minimum requirements are listed below: a. A temporary qroundw~ter table cannot be less than 24 inches below the ground surface for installation of a standard septic system or 12 inches for installation of any of the alternative systems. It should be noted that this study was done only in the area proposed on your application for on-site sewage disposal. Within the boundaries of your proper- ty, it is possible that soil conditions in a different area of the property may be different than those examined in the existing test pits. If you feel that better soil conditions may exist in another area of the property, additional test pits will be inspected with no additional charge. Prepare and submit a new site plan showing the new area proposed for evaluation. Notify this office of your reques~ in writing and within ninety (90) days of the initial site ~valuation. ADDITIONAL COMMENTS: Water was observed in both test pits at 0" to 6" during the first visit to the property. Subsequent visits found the water table at 10" below the surface. Rainfall, at Salem, is approximately 12 inches below normal for the current weather year. Since the land is basically flat, it is doubtful that soil conditions will vary significantly on the property.