(A) Minimum standards. A site plan submitted for approval for a New Onsite Wastewater Treatment System, Replacement Onsite Wastewater Treatment System, Alteration-Replacement Onsite Wastewater Treatment System or an Onsite Wastewater Treatment System with Atypical Waste Water Flow shall meet minimum standards as established in this section.
(B) Other required information. A proposal to construct or replace an onsite wastewater treatment system, or to construct an onsite wastewater treatment system with atypical wastewater flow shall be submitted in accordance with the requirements of §§ 171.125 through 171.128 on forms provided by the Lake County Health Department, and shall include the following information unless otherwise determined by the Health Officer:
(2) Projected wastewater flow calculation. A calculation of the projected wastewater daily flow.
(3) Building plans. A building plan depicting the proposed and/or existing floor plan.
(4) Component capacity. A calculation of the capacity of the components of the onsite wastewater treatment system, including the soil treatment component.
(7) Other information. Reports from engineers, wetland consultants, or other professionals, as required by the Health Officer to establish stormwater drainage, wetland delineations, surface water elevations, floodplain or other information necessary for the evaluation of the proposal.
(8) Plat of survey. An accurate Plat of Survey of the property prepared by a licensed surveyor.
(D) Topographical survey. The site plan shall be drawn on a topographical survey, as defined in § 171.021, to provide accurate contour lines depicting each one foot change in elevation. If approved by the Health Officer, a topographical study may be submitted by a licensed onsite wastewater treatment system designer in lieu of a topographical survey.
(E) Site plan size, scale. The site plan shall be drawn on a minimum size sheet of 11-1/2" by 17" and to a scale of 1" = 10', 1" = 20' or 1" = 30', unless otherwise approved by the Health Officer.
(F) Readable copies. The site plan shall be prepared and copied so as to be easily readable.
(G) Number of copies. Five copies of the site plan shall be submitted.
(H) Site information. The site plan shall properly locate and specify dimensions, when applicable, for the following:
(1) Property lines. All property lines and dimensions.
(2) Improvements. All existing and proposed buildings, driveways and other improvements.
(3) Utilities.
(a) All utility easement locations and dimensions;
(b) All underground utility and service lines, and any overhead utility lines within 25 feet of the proposed well location.
(4) Water wells. All existing, proposed or sealed water wells, or closed loop wells on the property or within 75 feet of a property line of the subject property.
(a) The distance from all existing, proposed or sealed water wells, or closed loop wells to proposed components of a proposed onsite wastewater treatment system shall be dimensioned.
(b) A 75-foot radius for any proposed water well shall be contained on the subject property, whenever possible.
(5) Onsite wastewater treatment systems. All existing and proposed onsite wastewater treatment systems on the subject property or within 75 feet of a property line of the subject property.
(6) Drainage. All drainage features including but not limited to ditches, streams, swales, storm sewers and other stormwater pathways.
(7) Surface waters/wetlands. All surface waters or wetlands on the subject property or within 25 feet of a property line of the subject property.
(I) Onsite wastewater treatment system specifications. The site plan shall properly locate and provide dimensions or specifications for the proposed onsite wastewater treatment system as follows:
(1) Onsite wastewater disposal system components. Location and size of all onsite wastewater treatment system components and features, including:
(a) Septic tanks, pretreatment units and lift stations and piping to these components;
(b) Piping to the soil treatment component;
(c) Distribution boxes, drop boxes, diverter valves;
(d) Soil treatment components;
(e) Distribution piping;
(f) Gravel application beds in mound systems; and
(g) Areas of approved filling.
(2) Soil evaluation. Location of all soil evaluation points.
(3) Storage/traffic. Location for material storage and a pathway for construction traffic.
(J) Specific elevations. The site plan shall provide specific elevations, referenced to the topographical survey as follows:
(1) Benchmark. The elevation of a permanent benchmark.
(2) Floodplain. The Base Flood Elevation, if applicable.
(3) Sewer/septic. The elevation of the invert(s) of the inlet(s) of the septic tank and other pretreatment units.
(4) Distribution box. The elevation of the invert of the distribution box, except when a lift station is proposed.
(5) Distribution line. The elevation of any low pressure lateral distribution line.
(K) Detailed cross section. A detailed cross section of the soil treatment component specifying original grade and the relative placement of fill material, gravel, piping and cover material.
(L) Required additional information. The site plan shall include additional information as follows:
(1) Legal description. A legal description of the property.
(Ord. [Bd of Health Ord., Art. V], passed 11-12-1996; Ord. [Bd of Health Ord., Art. V], passed 11-12-2013; Ord. 17-0605, passed 6-13-2017; Ord. 19-0775, passed 5-14-2019)