02-17-26 City Council Meeting Packet

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Page: 5 1. The proposed development is located outside of the City designated Municipal Urban Service Area (MUSA) for sanitary sewer service. The developer is proposing private individual on‐site septic systems for each Lot (SSTS). 2. Individual on‐site septic systems are permitted by Washington County and must contain both a primary and secondary site located on each Lot. For subdivision planning purposes Washington County requires a minimum of 10,000 square feet of suitable soil for each lot to represent both the primary and secondary locations. 3. The proposed Sketch Plan requires significant revisions and resubmittal for further City review in order to provide adequate SSTS locations that are compliant with all required setbacks.  L1B1. The existing SSTS must be located and shown on the Sketch Plan and must be a minimum of 75‐feet from the Pond 2 HWL elevation.  L3B1. The proposed SSTS must be relocated to maintain a minimum setback of 20‐feet from the proposed building structure. The SSTS must also be relocated, or lot grading changes must be feasible, to eliminate overland drainage across the proposed SSTS.  L4B1 and L5B1. Lot grading changes must be incorporated to eliminate overland drainage across the proposed SSTS for each lot.  L8B1 and L9B1. The proposed SSTS on each lot must be relocated, or lot grading changes must be feasible to be incorporated to eliminate overland drainage across each proposed SSTS.  L10B1. The proposed SSTS must be relocated to be a minimum of 75‐feet from the Pond 4 HWL elevation and to maintain a minimum setback of 20‐feet from the proposed building structure.  L11B1 and L12B1. The proposed SSTS must be relocated to maintain a minimum setback of 20‐feet from the proposed building structure.  L5B2. The proposed SSTS must be relocated to be a minimum of 75‐feet from Basin 1E and adjacent drainage swale. In addition, the SSTS must be at an elevation 3‐ft above the adjacent BMP HWL elevation.  L6B2. The proposed SSTS must be relocated to be a minimum of 75‐feet from Pond 1 and the adjacent overland drainage swale. In addition, the SSTS must be at an elevation 3‐ft above the adjacent BMP HWL elevation.  When revising SSTS locations, a minimum of 10‐feet setback from all property lines must be maintained. 4. Septic system sites must be placed where soil investigations demonstrate suitable soils and demonstrate that sufficient land is available to support both a primary and secondary septic system site for each proposed Lot. The submittal shall include a report indicating the results of soil tests and percolation tests meeting Washington County standards. The septic plans shall show the locations of the percolation tests.