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.