201 DEFINITIONS
As used in this Rule, the following terms shall have the
specified meaning, unless a different meaning is clearly intended by the
context. If a term is not defined, it shall have its common meaning.
(1) "Agency" means the Vermont Agency of
Natural Resources.
(2) "Applicant"
means a person or persons applying for permit coverage.
(3) "Authorization" means approval issued by
the Secretary.
(4) "Best management
practice" or "BMP" means a schedule of activities, prohibitions or practices,
maintenance procedures, green infrastructure, and other management practices to
prevent or reduce water pollution.
(5) "Clean Water Act" or "CWA" means the
federal Clean Water Act,
33 U.S.C. §
1251
et seq.
(6) "Common plan of development" means
development or redevelopment that is completed in phases or stages when such
phases or stages share a common state or local permit related to the regulation
of land use, the discharge or wastewater, or a discharge to surface waters or
groundwater, or a development designed with common infrastructure. Common plans
include subdivisions, industrial and commercial parks, university and other
campuses, and ski areas.
(7)
"Department" means the Vermont Department of Environmental
Conservation.
(8) "Designated
municipal separate storm sewer system" or "designated MS4" is defined in
Section 22-601(b)(1) (MS4 permits).
(9) "Development" means the construction of
impervious surface on a tract or tracts of land where no impervious surface
previously existed.
(10)
"Discharge" means the placing, depositing, or emission of any wastes, directly
or indirectly, into an injection well or into the waters of the
State.
(11) "Discharge monitoring
report" or "DMR" means the form for reporting of self-monitoring results by
permittees.
(12) "Discharge of
pollutants" means any addition of any pollutant or combination of pollutants to
waters of the State from any point source. This definition includes additions
of pollutants into waters of the State from: surface runoff which is collected
or channelled by man; discharges through pipes, sewers, or other conveyances
owned by a State, municipality, or other person which do not lead to a
treatment works; and discharges through pipes, sewers, or other conveyances,
leading into privately owned treatment works. This term does not include an
addition of pollutants by any indirect discharger.
(13) "Earth disturbance" is defined in
Section 22-501(b)(1) (construction permits).
(14) "Effluent limitation" means any
restrictions or prohibitions established in accordance with the provisions of
10 V.S.A. Chapter 47 and this Rule or under federal law, including effluent
limitations, standards of performance for new sources, and toxic effluent
standards, on quantities, rates, and concentrations of chemical, physical,
biological, and other constituents which are discharged to waters of the State,
including schedules of compliance. Effluent limitations may be expressed as
best management practices.
(15)
"EPA" means the United States Environmental Protection Agency.
(16) "Existing development" or "existing
impervious surface" means an impervious surface that is in existence,
regardless of whether it ever required a stormwater permit.
(17) "Expansion" means an increase or
addition of impervious surface, such that the total resulting impervious area
is greater than the minimum regulatory threshold.
(18) "Facility or activity" means any point
source or any other facility or activity, including land or appurtenances
thereto, that is subject to regulation under this Rule.
(19) "Full legal responsibility" means legal
control of the stormwater system, including a legal right to access the
stormwater system, a legal duty to properly maintain the stormwater system, and
a legal duty to repair and replace the stormwater system when it no longer
adequately protects waters of the State.
(20) "Green infrastructure" means a wide
range of multi-functional, natural and semi-natural landscape elements that are
located within, around, and between developed areas, that are applicable at all
spatial scales, and that are designed to control or collect stormwater
runoff.
(21) "Hazardous substance"
means any substance designated under 40 C.F.R. Part
116 pursuant to section 311
of the CWA.
(22) "Illicit
discharge" means any discharge to a municipal separate storm sewer that is not
composed entirely of stormwater runoff except discharges pursuant to a
discharge permit, other than the permit for discharges from the municipal
separate storm sewer, and discharges resulting from fire-fighting
activities.
(23) "Impervious
surface" means those manmade surfaces, including paved and unpaved roads,
parking areas, roofs, driveways, and walkways, from which precipitation runs
off rather than infiltrates.
(24)
"Impervious surface of three or more acres" means a single tract of land with
three or more acres of impervious surface; a project on a tract or tracts of
land that was previously authorized under a stormwater permit that authorized
the discharge of stormwater from three or more acres of impervious surface; and
impervious surfaces adjacent to or adjoining the foregoing types of impervious
surfaces where the surfaces in question are part of a related operation, such
as a hospital, resort, or campus.
(25) "Indirect discharger" means a
nondomestic discharger introducing pollutants to a publicly owned treatment
works.
(26) "Municipal separate
storm sewer" means a conveyance or system of conveyances, including roads with
drainage systems, municipal streets, catch basins, curbs, gutters, ditches,
man-made channels, and storm drains:
(A)
Owned or operated by a state, city, town, borough, county, parish, district,
association, or other public body (created by or pursuant to state law) having
jurisdiction over disposal of sewage, industrial wastes, stormwater runoff, or
other wastes, including special districts under state law such as a sewer
district, flood control district, or drainage district, or similar entity, or
an Indian tribe or an authorized Indian tribal organization, or a designated
and approved management agency under section 208 of the CWA that discharges to
waters of the State;
(B) Designed
or used for collecting or conveying stormwater runoff;
(C) Which is not a combined sewer;
and
(D) Which is not part of a
publicly owned treatment works.
(27) "Municipality" means an incorporated
city, town, village, or gore; a fire district established pursuant to state
law; or any other duly authorized political subdivision of the State.
(28) "Municipal road" is defined in Section
22-1101(b)(1) (municipal roads permits).
(29) "New development" means the construction
of impervious surface on a tract or tracts of land where no impervious surface
previously existed.
(30) "New
discharger" means any building, structure, facility, or installation:
(A) From which there is or may be a
"discharge of pollutants;"
(B) That
did not commence the discharge of pollutants at a particular site prior to
August 13, 1979;
(C) Which is not a
new source; and
(D) Which has never
received a finally effective permit for discharges at that site.
(31) "New source" means any
building, structure, facility, or installation from which there is or may be a
"discharge of pollutants," which meets the criteria for new source
determination under
40 C.F.R. §
122.29(b), and the
construction of which commenced:
(A) After
promulgation of standards of performance under section 306 of the CWA which are
applicable to such source, or
(B)
After proposal of standards of performance in accordance with section 306 of
the CWA which are applicable to such source, but only if the standards are
promulgated in accordance with section 306 within 120 days of their
proposal.
(32) "Offset"
means a State-permitted or state-approved action or project that mitigates the
impacts that a discharge of regulated stormwater runoff has on receiving
waters.
(33) "Offset charge
capacity" means the reduction in sediment load, nutrient load, or hydrologic
impact that an offset project or projects eligible for receipt of stormwater
impact fees generates.
(34)
"Outfall" means a point source at the point where a municipal separate storm
sewer discharges to waters of the State and does not include open conveyances
connecting two municipal separate storm sewers, or pipes, tunnels or other
conveyances which connect segments of the same stream or other waters of the
State and are used to convey waters of the State.
(35) "Overburden" means any material of any
nature, consolidated or unconsolidated, that overlies a mineral deposit,
excluding topsoil or similar naturally-occurring surface materials that are not
disturbed by mining operations.
(36) "Permittee" means a person who has
received authorization pursuant to an individual permit or authorization under
a general permit.
(37) "Person"
means any individual; partnership; company; corporation; association; joint
venture; trust; municipality; the State of Vermont or any agency, department,
or subdivision of the State, any federal agency, or any other legal or
commercial entity.
(38) "Point
source" means any discernible, confined, and discrete conveyance, including any
pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container,
rolling stock, concentrated animal feeding operation, landfill leachate
collection system, vessel or other floating craft from which pollutants are or
may be discharged.
(39) "Pollutant"
means dredged spoil, solid waste, incinerator residue, filter backwash, sewage,
garbage, sewage sludge, munitions, chemical wastes, biological materials,
radioactive materials (except those regulated under the Atomic Energy Act of
1954, as amended (
42 U.S.C. §
2011 et seq.)), heat, wrecked or discarded
equipment, rock, sand, cellar dirt and industrial, municipal, and agricultural
waste discharged into water. It does not mean:
(A) Sewage from vessels within the meaning of
section 1322 of the Clean Water Act; or
(B) Water, gas, or other material which is
injected into a well to facilitate production of oil or gas, or water derived
in association with oil and gas production and disposed of in a well, if the
well is used either to facilitate production or for disposal purposes is
approved by authority of the State in which the well is located, and if the
State determines that the injection or disposal will not result in the
degradation of ground or surface water resources.
(40) "Process wastewater" means any water
which, during manufacturing or processing, comes into direct contact with or
results from the production or use of any raw material, intermediate product,
finished product, byproduct, or waste product.
(41) "Publicly owned treatment works" means a
treatment works as defined by section 212 of the CWA, which is owned by a state
or municipality. This definition includes any devices and systems used in the
storage, treatment, recycling, and reclamation of municipal sewage or
industrial wastes of a liquid nature. It also includes sewers, pipes, and other
conveyances only if they convey wastewater to a publicly owned treatment works
treatment plant. The term also means the municipality, which has jurisdiction
over the indirect discharges to and the discharges from such a treatment
works.
(42) "Redevelopment" or
"redevelop" means the construction or reconstruction of an impervious surface
where an impervious surface already exists when such new construction involves
substantial site grading, substantial subsurface excavation, or substantial
modification of an existing stormwater conveyance, such that the total of
impervious surface to be constructed or reconstructed is greater than the
minimum regulatory threshold. Redevelopment does not mean public road
management activities, including any crack sealing, patching, coldplaning,
resurfacing, reclaiming, or grading treatments used to maintain pavement,
bridges, and unpaved roads.
(43)
"Regulated stormwater runoff" means precipitation, snowmelt, and the material
dissolved or suspended in precipitation and snowmelt that runs off impervious
surfaces and discharges into surface waters or into groundwater via
infiltration.
(44) "Runoff
coefficient" means the fraction of total rainfall that will appear at a
conveyance as runoff.
(45)
"Schedule of compliance" means a schedule of remedial measures including an
enforceable sequence of actions or operations leading to compliance with an
effluent limitation or any other limitation, prohibition, or standard,
including any water quality standard.
(46) "Secretary" means the Secretary of the
Vermont Agency of Natural Resources or the Secretary's duly authorized
representative.
(47) "Significant
materials" includes: raw materials; fuels; materials such as solvents,
detergents, and plastic pellets; finished materials such as metallic products;
raw materials used in food processing or production; hazardous substances
designated under section 101(14) of CERCLA; any chemical the facility is
required to report pursuant to section 313 of title III of SARA; fertilizers;
pesticides; and waste products such as ashes, slag, and sludge that have the
potential to be released with stormwater discharges.
(48) "Site" means either the drainage area
that includes all portions of a project contributing stormwater runoff to one
or more discharge points, or the area that includes all portions of disturbed
area within a project contributing stormwater runoff to one or more discharge
points. The choice of either of these two methods of calculating the site area
shall be at the discretion of the designer. In cases where there are multiple
discharges to one or more waters, "site" shall mean the total area of the
sub-watersheds. For linear projects, including highways, roads, streets, paths,
and sidewalks, the term "site" includes the entire right-of-way within the
limits of the proposed work, or all portions of disturbed area within the
right-of-way associated with the project. The method of calculating the site
area for linear projects shall be at the discretion of the designer.
Calculations of site area are subject to the Secretary's review.
(49) "Small municipal separate storm sewer
system" or "small MS4" is defined in Section 22-601(b)(2) (MS4
permits).
(50) "Stormwater
discharge associated with industrial activity" is defined in Section
22-701(b)(1) (industrial permits).
(51) "Stormwater Fund" means the fund
established under
10 V.S.A. §
1264b.
(52) "Stormwater impact fee" means the
monetary charge assessed to an applicant for the discharge of regulated
stormwater runoff in order to mitigate impacts that the discharger is unable to
control through on-site treatment or completion of an offset on a site owned or
controlled by the applicant.
(53)
"Stormwater-impaired water" means a water of the State that the Secretary
determines is significantly impaired by discharges of regulated stormwater
runoff.
(54) "Stormwater Management
Manual" or "Vermont Stormwater Management Manual" means the Agency of Natural
Resources' Stormwater Management Manual, as adopted and amended by
rule.
(55) "Stormwater runoff"
means precipitation and snowmelt that does not infiltrate into the soil,
including material dissolved or suspended in it, but does not include
discharges from undisturbed natural terrain or wastes from combined sewer
overflows.
(56) "Stormwater system"
includes the storm sewers; outfall sewers; surface drains; manmade wetlands;
channels; ditches; wet and dry bottom basins; rain gardens; and other control
equipment necessary and appurtenant to the collection, transportation,
conveyance, pumping, treatment, disposal, and discharge of regulated stormwater
runoff.
(57) "Stormwater utility"
means a system adopted by a municipality or group of municipalities under 24
V.S.A. Chapter 97, 101, or 105 for the management of stormwater
runoff.
(58) "Total maximum daily
load" or "TMDL" means the calculations and plan for meeting water quality
standards approved by EPA and prepared pursuant to
33 U.S.C. §
1313(d) and federal
regulations adopted under that law.
(59) "Total resulting impervious surface"
means the total impervious area resulting from development, redevelopment, or
expansion of impervious surface plus existing impervious surface and any
impervious surface that is part of a common plan of development.
(60) "Toxic pollutant" means any pollutant
listed as toxic under section 307(a)(1) of the CWA.
(61) "Tract of land" means a portion of land
with defined boundaries created by a deed. A deed may describe one or more
tracts.
(62) "Waste" means
effluent, sewage, or any substance or material, liquid, gaseous, solid, or
radioactive, including heated liquids, whether or not harmful or deleterious to
waters; provided however, the term "sewage" as used in this Rule shall not
include the rinse or process water from a cheese manufacturing
process.
(63) "Water quality
remediation plan" or "WQRP" means a plan, other than a TMDL, designed to bring
an impaired water into compliance with applicable water quality standards in
accordance with
40
C.F.R. §
130.7(b)(1)(ii) and
(iii).
(64) "Waters" and "waters of the State"
includes all rivers, streams, creeks, brooks, reservoirs, ponds, lakes,
springs, and all bodies of surface waters, artificial or natural, which are
contained within, flow through, or border upon the State or any portion of
it.
(65) "Watershed" means the
total area of land contributing runoff to a specific point of interest within a
receiving water.
(66) "Watershed
improvement permit" means a general permit specific to a stormwater-impaired
water that is designed to apply management strategies to existing and new
discharges and that includes a schedule of compliance no longer than five years
reasonably designed to assure attainment of the Vermont Water Quality Standards
in the receiving waters.