HomeMy WebLinkAbout310 CMR 15.002 310 CMR: DEPARTMENT OF ENVIRONMENTAL PROTECTION
15.002: continued
Modular Home-A prefabricated building designed and constructed to be used as a dwelling and
to be transported in two or more sections to a site where the sections are permanently connected
and installed on a permanent foundation.
Mottling Due to Wetness (Red-oximorphic Features) - A color pattern in soil consisting of
blotches or spots of contrasting high or low chroma colors which may be an indication of the
upper extent of soil saturation by groundwater.
Multiple Compartment Tank-A septic tank containing more than one settling compartment in
series.
Munsell System-The system of classifying soil color consisting of an alpha-numeric designation
for hue,value and chroma together with a descriptive color name accepted by the USDA/Natural
•
Resources Conservation Service(NRCS)used as a standard procedure in soil classification.
Naturally Occurring Pervious Material-Naturally occurring soil exhibiting a percolation rate of
60 minutes or less per inch which was deposited on a site by natural causes and not by human
action.
New Con truction-the construction of a new'building for which an occupancy permit is required
O:n increase in the actual or design flow to any system or an increase in the actual or design
ow to any nonconforming system or an increase in the design flow to any system above the
existing approved capacity. New construction shall not include replacement or repair of a
building in existence as of March 31, 4995 that has been totally or partially destroyed or
demolished;provided there is no increase in design flow,no increase in design flow above the
existing approved capacity to any system,no increase in the number of dwellings or dwelling
units or no increase in the number of bedrooms in any dwelling or dwelling unit.
Nitrogen Sensitive Area- An area of land and/or natural resource area so designated by the
Department in accordance with 310 CMR 15.215.
Nonconforming. System- any system which is not in full compliance with the standards and
requirements of 310 CMR 15.000 and for which a variance or local upgrade approval has not
been obtained. Nonconforming systems include,but are not limited to,cesspools,privies,failed
systems,and systems with a design flow above 10,000 gpd.
Observed Ground-Water Elevation-That elevation below the ground surface at which water is
observed weeping,flowing from the walls of,or standing in a deep observation hole.
On-site System or Disposal System or On-site Subsurface Sewage Disposal System or System
- A system or series of systems for the treatment and disposal of sanitary sewage below the
ground surface on a facility.
(a) The standard components of a system are:a building sewer;a septic tank to retain solids
and scum; a distribution system; a soil absorption system containing effluent distribution
lines to distribute and treat septic tank effluent prior to discharge to appropriate subsurface
soils;and a reserve area.
(b) These terms also include tight tanks,shared systems and alternative systems. Unless the
text of 310 CMR 15.Q00 indicates otherwise, these terms also include nonconforming
systems.
•
Open Drain-Any uncovered ditch or culvert used for the conveyance of surface water runoff or
groundwater. A culvert that carries a water course or intermittent stream is not a surface drain.
Operate-To use or occupy a facility served by an on-site system or to own a facility where such
use or occupation exists.
Operator - A person who alone or together with other persons has charge or control of any
a." system.
4/21/06 310 CMR-487