1988-08-18 Letter, Septic System Inspection Follow Up

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CITY of ORONO Post 0frecr Box 66• Crystal Bay. Minnesota 56= 0 Municipal O[tic•s On the North Shore of Lake Minnetonka August 18, 1988 Larry McGrath 3060 Parview Lane Long Lake, MN 55356 Re: Septic System Dear Mr. McGrath: Marcella Lewin of Merrill Lynch Realty requested that I inspect your septic system for purposes of satisfying a buyers' mortgage. She indicated to me that someone from Inspect& Homes had noted that the septic tank was "leaking". I inspected your system on August 18, 1988 and would slake the following comments in relation to that system: 1. There is no evidence of current or past seepage of sewage to the surface from the drainfield area. There is high grass over the drainfield trenches, indicating that the system is probably being used to capacity and all portions of the system appear to be in use. 2. An inspection of the first septic tank indicated that the water level in that tank is above the normal outlet level, hence there would appear to be some abnormal restriction somewhere past that tank. The same high water level was apparent in the second tank. The inspection pipe in the first tank showed evidence of past sewage levels in that tank as high as 12-180 above the normal flow line of the tank, indicating that there has been a backup in those tanks sometime in the recent past. 3. City records indicate that no pump out slips have ever been submitted to the City, hence we can only assume it has been a relatively long time since the tanks were pumped out. The inspection pipes in the tank appear to be locat-d at the ends and may be inside the baff les, hence it is impossible to tell for sure whether those tanks are in need of pumping at this time. However, the fact that the water level in the tanks is abnormally high is an indication that there is some problem with the system. Since you are selling the house, to protect both you and the buyer, I am suggesting the following course of action to determine the cause for this apparent p BUILDING& ZONING - 473.7337 • ADMINISTRATION A FI%ANCF - 473-7358 • PUBLI WORKS 473.73:9 ASSESSING 60