GENERAL
§ 91.1. Definitions.
The definitions in section 1 of The Clean Streams Law (35 P. S. § 691.1) apply to this article. In addition, the following words and terms, when used in this article, have the following meanings, unless the context clearly indicates otherwise:
AEU—Animal equivalent unit—One thousand pounds live weight of livestock or poultry animals, regardless of the actual number of individual animals comprising the unit, as defined in 3 Pa.C.S. § 503 (relating to definitions).
Act—The Clean Streams Law (35 P. S. § § 691.1—691.801).
Agricultural operations—The management and use of farming resources for the production of crops, livestock or poultry as defined in 3 Pa.C.S. § 503.
Agricultural process wastewater—Wastewater from agricultural operations, including from spillage or overflow from livestock or poultry watering systems; washing, cleaning or flushing pens, milkhouses, barns, manure pits; direct contact swimming, washing or spray cooling of livestock or poultry; egg washing; or dust control.
Application—The Department’s form for requesting approval to construct and operate a wastewater collection, conveyance or treatment facility under a new water quality management permit, or the modification, revision or transfer of an existing water quality management permit.
CAFO—Concentrated animal feeding operation—An agricultural operation that meets the criteria established by the Department in § 92a.2 (relating to definitions).
CAO—Concentrated animal operation—An agricultural operation that meets the criteria established by the State Conservation Commission in regulations under 3 Pa.C.S. Chapter 5 (relating to nutrient management and odor management) in Chapter 83, Subchapter D (relating to nutrient management).
Facility—A structure built to collect, convey or treat wastewater which requires coverage under a water quality management permit.
Federal Act—The Federal Water Pollution Control Act (33 U.S.C.A. § § 1251—1387).
General water quality management permit or general permit—A water quality management permit that is issued for a clearly described category of wastewater treatment facilities, which are substantially similar in nature.
Major facility—The term as defined in § 92a.2.
Manure—(i) Animal excrement, including poultry litter, which is produced at an agricultural operation.
(ii) The term includes materials such as bedding and raw materials which are commingled with that excrement.
Manure Management Manual—The guidance manual published by the Department that is entitled ‘‘Manure Management Manual for Environmental Protection,’’ including its supplements and amendments. The manual describes approved manure management practices for all agricultural operations as required by § 91.36 (relating to pollution control and prevention at agricultural operations).
Manure storage capacity—The total volume in gallons of a manure storage facility, less any required freeboard, sufficient and available to contain all of the following:(i) Accumulated manure and agricultural process wastewater during the storage period.
(ii) Normal precipitation less evaporation on the surface of the facility.
(iii) Normal runoff during the storage period.
(iv) The design storm precipitation and runoff (25 year or 100 year, as appropriate under § 91.36(a)).
(v) Solids remaining after liquids have been removed.
Manure storage facility—A permanent structure or pond, a portion of a structure or pond, or a group of structures or ponds at one agricultural operation, utilized for the purpose of containing manure or agricultural process wastewater. This includes concrete, metal or other fabricated tanks and underbuilding structures, as well as earthen and synthetically-lined manure storage ponds.
Minor facility—The term as defined in § 92a.2.
NOI—Notice of Intent—A complete form submitted as a request for general water quality management permit coverage.
Operator—A person or other legal entity responsible for the operation or maintenance of a facility or activity subject to this chapter.
Owner—The person or other legal entity holding legal title to a facility or activity subject to this chapter.
Pennsylvania Technical Guide (Guide)—(i) The Pennsylvania Soil and Water Conservation Technical Guide, including supplements and amendments, which is the primary technical guide published by the Pennsylvania office of the Natural Resources Conservation Service of the United States Department of Agriculture.
(ii) The Guide contains technical information, including design criteria, about conservation of soil, water, air, plant and animal resources specific to this Commonwealth.
(iii) The Guide is also referred to as the Field Office Technical Guide in Federal regulations and other documents.
Pollutant—A contaminant or other alteration of the physical, chemical or biological properties of surface water which causes or has the potential to cause pollution as defined in section 1 of the act (35 P. S. § 691.1).
Pollution prevention—Source reduction and other practices (for example—direct reuse or in-process recycling) that reduce or eliminate the creation of pollutants through increased efficiency in the use of raw materials, energy, water or other resources, or protection of natural resources by conservation.
Pollution prevention measures—Practices that reduce the use of hazardous materials, energy, water or other resources and that protect natural resources and human health through conservation, more efficient use, or effective pollutant release minimization prior to reuse, recycling, treatment or disposal.
Schedule of compliance—A schedule of remedial measures including an enforceable sequence of actions or operations leading to compliance with effluent limitations, other limitations, prohibitions or standards.
Single residence sewage treatment plant—A system of piping, tanks or other facilities serving a single family residence located on a single family residential lot which collects, disposes and treats solely direct or indirect sewage discharges from the residences into waters of this Commonwealth.
Small flow treatment facility—The term as defined in § 92a.2.
Stormwater—Runoff from precipitation, snow melt runoff and surface runoff and drainage.
Vegetated buffer—A permanent strip of dense perennial vegetation established parallel to the contours of and perpendicular to the dominant slope of the field for purposes that include slowing water runoff, enhancing water infiltration, and minimizing the risk of any potential pollutants from leaving the field and reaching surface waters.
Wastewater impoundment—A depression, excavation or facility situated in or upon the ground, whether natural or artificial and whether lined or unlined, used to store wastewater including sewage, animal waste or industrial waste.
Water quality management permit—A permit or equivalent document (Part II Permit) issued by the Department to authorize one of the following:(i) The construction, erection and location of a wastewater collection, conveyance or treatment facility.
(ii) A discharge of wastewater to groundwaters of this Commonwealth.
Authority The provisions of this § 91.1 amended under sections 5(b)(1), 6 and 402 of The Clean Streams Law (35 P.S. § § 691.5(b)(1), 691.6 and 691.402); and section 1920-A of The Administrative Code of 1929 (71 P.S. § 510-20).
Source The provisions of this § 91.1 adopted September 2, 1971, effective September 3, 1971, 1 Pa.B. 1804; amended January 28, 2000, effective January 29, 2000, 30 Pa.B. 521; amended October 21, 2005, effective October 22, 2005, 35 Pa.B. 5796; amended August 27, 2021, effective August 28, 2021, 51 Pa.B. 5361. Immediately preceding text appears at serial pages (315435) to (315437).
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