R 323.2103
R 323.2103 Definitions; G to O.
Cite as Mich. Admin. Code R 323.2103
Rule 2103. As used in this part:
(a) "General permit" means a national permit issued authorizing a category of
similar discharges.
(b) "Guidelines," unless otherwise noted, means the federal guidelines
promulgated by the USEPA entitled "Part 124 - Procedures for Decision making," 40
C.F.R. §124 (2004).
(c) "Illicit connection" means a physical connection to a separate storm sewer that
primarily conveys non-storm water discharges other than uncontaminated
groundwater into the storm sewer; or a physical connection not authorized or permitted
by the local authority, where a local authority requires authorization or a permit for
physical connections.
(d) "Illicit discharge" means any discharge to, or seepage into, a separate storm
sewer that is not composed entirely of storm water or uncontaminated groundwater.
Illicit discharges include non-storm water discharges through pipes or other physical
connections; dumping of motor vehicle fluids, household hazardous wastes, domestic
animal wastes, or litter; collection and intentional dumping of grass clippings or leaf
litter; or unauthorized discharges of sewage, industrial waste, restaurant wastes, or any
other non-storm water waste directly into a separate storm sewer.
(e) "Industry" means a private person, corporation, firm, plant, or establishment
that directly or indirectly discharges waste or wastewater into the waters of the state.
(f) "Land application area" specifically for CAFOs means land under the control
of an AFO owner or operator, whether it is owned, rented, leased, or subject to an access
agreement to which production area waste or CAFO process wastewater is or may be
applied. Land application area includes land not owned by the AFO owner or operator
but the AFO owner or operator has control of the land application of production area
waste or CAFO process wastewater.
(g) "Large CAFO" is an AFO that stables or confines as many as or more than
the numbers of animals specified in any of the following categories:
(i) 700 mature dairy cows, whether milked or dry.
(ii) 1,000 veal calves.
(iii) 1,000 cattle other than mature dairy cows or veal calves. Cattle includes
heifers, steers, bulls, and cow/calf pairs.
(iv) 2,500 swine each weighing 55 pounds or more.
(v) 10,000 swine each weighing less than 55 pounds.
(vi) 500 horses.
(vii) 10,000 sheep or lambs.
(viii) 55,000 turkeys.
(ix) 30,000 laying hens or broilers, if the AFO uses a liquid manure handling
system.
(x) 125,000 chickens (other than laying hens), if the AFO uses other than a liquid
manure handling system.
(xi) 82,000 laying hens, if the AFO uses other than a liquid manure handling
system.
(xii) 30,000 ducks, if the AFO uses other than a liquid manure handling system.
(xiii) 5,000 ducks, if the AFO uses a liquid manure handling system.
(h) "Local limit" means a specific prohibition or limit on discharges of pollutants
or pollutant parameters by a nondomestic source to a POTW that are set by a POTW in
accordance with an approved pretreatment program.
(i) "Mailing list" means a permanent list of persons who request notification
and information on public hearings, permits, and other NPDES forms that is prepared
and maintained by the department pursuant to the guidelines, these rules, and 1969
PA 306, MCL 24.201 et seq.
(j) "Management agency" means an area-wide waste treatment management
agency that is designated by the governor pursuant to the provisions of section 208(a)
of the federal act.
(k) "Manure" includes manure, bedding, compost, and raw materials or other
materials commingled with manure or set aside for disposal.
(l) "Maximum extent practicable" or "MEP" means implementation of best
management practices by a public body to comply with an approved storm water
management program as required in a national permit for a municipal separate storm
sewer system, in a manner that is environmentally beneficial, technically feasible,
and within the public body's legal authority.
(m) "Medium CAFO" is defined as the following:
(i) Is an AFO that stables or confines the numbers of animals specified in any of the
categories listed in subdivision (ii) of this subrule, and any of the following are met:
(A) Has been designated by the department as a CAFO under R 323.2196(3).
(B) Pollutants are discharged from the production area into waters of the state
through a manmade ditch, pipe, tile, swale, flushing system, or other similar manmade
conveyance.
(C) Pollutants are discharged directly into waters of the state from the production
area which originate outside of and pass over, across, or through the facility or that
otherwise come into direct contact with the animals confined in the operation.
(ii) Includes the following number and type of animals:
(A) 200 to 699 mature dairy cows, whether milked or dry.
(B) 300 to 999 veal calves.
(C) 300 to 999 cattle other than mature dairy cows or veal calves. Cattle includes
heifers, steers, bulls, and cow/calf pairs.
(D) 750 to 2,499 swine each weighing 55 pounds or more.
(E) 3,000 to 9,999 swine each weighing less than 55 pounds.
(F) 150 to 499 horses.
(G) 3,000 to 9,999 sheep or lambs.
(H) 16,500 to 54,999 turkeys.
(I) 9,000 to 29,999 laying hens or broilers, if the AFO uses a liquid manure
handling system.
(J) 37,500 to 124,999 chickens (other than laying hens), if the AFO uses other than
a liquid manure handling system.
(K) 25,000 to 81,999 laying hens, if the AFO uses other than a liquid manure
handling system.
(L) 10,000 to 29,999 ducks, if the AFO uses other than a liquid manure handling
system.
(M) 1,500 to 4,999 ducks, if the AFO uses a liquid manure handling system.
(n) "Minor discharge" means a discharge of wastewater which has a total volume
of less than 50,000 gallons on every day of the year, which does not affect the waters of
another state, and which is not identified by the department, the regional
administrator, or by the administrator of the USEPA, in regulations issued by him or her
pursuant to the provisions of section 307(a) of the federal act, as a discharge which is
not a minor discharge, except that a discharge is not a minor discharge if there is a
discharge of less than 50,000 gallons on any day of the year which represents 1 of 2 or
more discharges from a single person, municipality, or industry that, in total, is more
than 50,000 gallons on any day of the year.
(o) "Municipal separate storm sewer system" or "MS4" means all separate storm
sewers that are owned or operated by the United States, a state, city, village, township,
county, district, association, or other public body created by or pursuant to state law,
having jurisdiction over disposal of sewage, industrial wastes, storm water, or other
wastes, including special districts under state law, such as a sewer district, flood control
district, or drainage district, or similar entity, or a designated or approved
management agency under section 208 of the federal act that discharges to waters of
the state. This term includes systems similar to separate storm sewer systems in
municipalities, such as systems at military bases, large hospital or prison complexes,
and highways and other thoroughfares. The term does not include separate storm sewers
in very discrete areas, such as individual buildings.
(p) "National permit" means an NPDES permit, or equivalent document or
requirements, issued by the department to a discharger pursuant to sections 3106 and
3112 of part 31 of the act for discharges into surface waters.
(q) "New source" means a building, structure, facility, or installation from which
waste, pollutants, or wastewater is or may be discharged into the surface or groundwaters
of the state or on the ground and for which construction was commenced after
publication of proposed regulations by the USEPA prescribing a standard of
performance pursuant to the provisions of section 306(a) of the federal act that will be
applicable to the source if the standard is thereafter promulgated in accordance with the
provisions of section 306 of the federal act.
(r) "Noncompliance list" means a list of dischargers, which is prepared by the
department pursuant to these rules and the guidelines for transmittal to the regional
administrator, who fail or refuse to comply with a compliance schedule in a permit
issued pursuant to part 31 of the act.
(s) "Nondomestic source" or "source of nondomestic wastewater" means an
industry, commercial establishment, or other entity that discharges wastewater to a
publicly owned treatment works other than, or in addition to, water-carried wastes from
toilet, kitchen, laundry, bathing, or other facilities that are used for household
purposes.
(t) "NPDES" means the national pollutant discharge elimination system
established by the federal act.
(u) "NPDES form" means any issued permit and any uniform national form
which is used by the department, which is developed for use in the NPDES, and which is
prescribed in regulations promulgated by the administrator of the USEPA, including an
NPDES application and a reporting form.
(v) "On-site disposal system" means a natural system or mechanical device used to
collect, treat and discharge, or reclaim wastewater from 1 or more dwelling units
without the use of community-wide sewers or a centralized treatment facility.