Connecticut Administrative Code
Title 19 - Public Health and Safety
13-B
Chapter II - ENVIRONMENTAL HEALTH
On-Site Sewage Disposal Systems with Design Flows of 5,000 Gallons per Day or Less and Non-Discharging Toilet Systems
Section 19-13-B103b - Definitions

(a) "Sewage" means domestic sewage consisting of water and human excretions or other waterborne wastes incidental to the occupancy of a residential building or a non-residential building, as may be detrimental to the public health or the environment, but not including manufacturing process water, cooling water, waste water from water softening equipment, blow down from heating or cooling equipment, water from cellar or floor drains or surface water from roofs, paved surface or yard drains.

(b) "Septic tank" means a water-tight receptacle which is used for the treatment of sewage and is designed and constructed so as to permit the settling of solids, the digestion of organic matter by detention and the discharge of the liquid portion to a leaching system;

(c) "Subsurface sewage disposal system" means a system consisting of a house sewer; a septic tank followed by a leaching system, any necessary pumps and siphons, and any ground water control system on which the operation of the leaching system is dependent.

(d) "Residential building" means any house, apartment, trailer or mobile home, or other structure occupied by individuals permanently or temporarily as a dwelling place but not including residential institutions;

(e) "Residential institution" means any institutional or commercial building occupied by individuals permanently or temporarily as a dwelling, including dormitories, boarding houses, hospitals, nursing homes, jails, and residential hotels or motels;

(f) "Nonresidential building" means any commercial, industrial, institutional, public or other building not occupied as a dwelling, including transient hotels and motels;

(g) "Impervious soil" means soil that has a minimum percolation rate slower than one inch in sixty minutes when the ground water level is at least eighteen inches below the bottom of the percolation test hole;

(h) "Suitable soil" means soil having a minimum percolation rate of one inch in one to sixty minutes when the ground water level is at least eighteen inches below the bottom of the percolation test hole;

(i) "Maximum ground water level" means the level to which ground water rises for a duration of one month or longer during the wettest season of the year;

(j) "Open watercourse" means a well defined surface channel, produced wholly or in part by a definite flow of water and through which water flows continuously or intermittently and includes any ditch, canal, aquaduct or other artificial channel for the conveyance of water to or away from a given place, but not including gutters for storm drainage formed as an itegral part of a paved roadway; or any lake, pond, or other surface body of water, fresh or tidal; or other surface area intermittently or permanently covered with water.

(k) "Local director of health" means the local director of health or his authorized agent;

(l) "Technical Standards" means the standards established by the commissioner of health services in the most recent revision of the publication entitled "Technical Standards for Subsurface Sewage Disposal Systems" available from the State Department of Health Services;

(m) "Department" means the State Department of Health Services;

(n) "Gray water" means domestic sewage containing no fecal material or toilet wastes.

(o) "Drawdown area" means the area adjacent to a well in which the water table is lowered by withdrawal of water from the well by pumping at a rate not exceeding the recharge rate of the aquifer.