(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
(L) 10,000 to 29,999 ducks, if the AFO uses other than a liquid manure handling
(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