§ 202-6. Design standards to meet requirements.

Design standards to meet the requirements of this chapter are as follows:

A. 

New York State Department of Health's Appendix 75-A of Part 75 of Title 10 of the New York Code of Rules and Regulations (10 NYCRR) for systems with a design load of less than 1,000 gallons per day.

B. 

New York State Department of Environmental Conservation's New York State Design Standards for Intermediate Sized Wastewater Treatment Systems for systems with a design load equal to or greater than 1,000 gallons per day.

C. 

In addition to the New York State design standards, the following standards shall also be met for all dwellings:

(1) 

The minimum design of the system shall be based on 130 gallons/day/bedroom and/or bedroom equivalent for all on-site wastewater treatment systems greater than 200 feet from Canandaigua Lake.

(2) 

The minimum design of the system shall be based on 150 gallons/day/bedroom and/or bedroom equivalent for all on-site wastewater treatment systems located wholly or partially within 200 feet of Canandaigua Lake.

(3) 

The size of the house shall be considered along with the number of bedrooms and/or bedroom equivalent for design loaded purposes, as follows:

(a) 

Minimum design: two bedrooms.

(b) 

Two bedrooms and/or bedroom equivalents or up to 1,200 square feet of occupiable living space shall be designed as a two-bedroom design load.

(c) 

Three bedrooms and/or bedroom equivalents or 1,201 to 2,250 square feet of occupiable living space shall be designed as a three-bedroom design load.

(d) 

Four bedrooms and/or bedroom equivalents or 2,251 to 3,300 square feet of occupiable living space shall be designed as a four-bedroom design load.

(e) 

Five bedrooms and/or bedroom equivalents or 3,301 to 4,050 square feet of occupiable living space shall be designed as a five-bedroom design load.

(f) 

More than five bedrooms and/or bedroom equivalents or greater than 4,050 square feet of occupiable living space: 110 gallons per day per additional bedroom and/or bedroom equivalent shall be added to the design load.

(g) 

Final determination of design loading shall be by the authority having jurisdiction.

D. 

Replacement of septic tanks and distribution boxes shall require a building permit but do not need to be designed by a design professional provided such repairs are made to replace existing conditions. All alterations to the absorption field shall require a building permit and a design completed by a design professional.

E. 

In addition to the approvals required herein, a review and approval by the New York State Department of Health (NYSDOH) or the New York State Department of Environmental Conservation (NYSDEC) or the Canandaigua Lake Watershed Inspector may be required.