Parameter Viewer

Document ID us-afo-2025-12-12 Title Animal Feeding Operations (AFOs) URL https://www.epa.gov/npdes/animal-feeding-operations-afos Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:33:37.111215+00:00 Relevance inventory_targeted_fetch

8 Qualitative 10 Quantitative 21 Definitions

Q Qualitative Requirements (8)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	administrative	unknown	mandatory	NPDES Permitting for CAFOs	agricultural water, wastewater	AFOs that meet the regulatory definition of a concentrated animal feeding operation (CAFO) are regulated under the NPDES permitting program.	Applies to AFOs that meet the regulatory definition of a concentrated animal feeding operation (CAFO).	medium
#Q002	design	operational	mandatory	Construction SWPPP Compliance	wastewater	construction site SWPPPs must follow the requirements of the applicable State or EPA CGP and must describe the specific conditions of the site and plans for development.	Applicable to construction site operators developing Stormwater Pollution Prevention Plans.	high
#Q003	design	treatment	mandatory	Sediment Basin Runoff Storage Design	wastewater	if you install a sediment basin, one of the two alternative design requirements is to provide storage for the calculated volume of runoff from a 2-year, 24-hour storm.	Applies when a sediment basin is installed under Part 2.2.12 of the 2022 CGP.	high
#Q004	reporting	reporting	mandatory	Site Inspection Documentation	wastewater	document your findings for site inspections... as required by the 2022 CGP. ... reports that meet the requirements in Part 4.7 of the 2022 CGP.	Required for all site inspections under the 2022 CGP.	high
#Q005	reporting	reporting	mandatory	Dewatering Inspection Documentation	wastewater	preparing inspection reports related to dewatering activities required by Part 4.6.3 of the 2022 CGP.	Applicable when dewatering activities are conducted.	high
#Q006	reporting	reporting	mandatory	Corrective Action Documentation Log	wastewater	recording the required corrective action documentation that meet the requirements in Part 5.4 of the 2022 CGP.	Required when corrective actions are triggered.	high
#Q007	monitoring	operational	mandatory	Turbidity Benchmark Monitoring and Corrective Action	wastewater	how to correctly monitor for turbidity (if applicable), determine if your weekly average turbidity values exceed the benchmark, and, if so, how to proceed with corrective action.	Applies if dewatering turbidity monitoring is required by the permit.	high
#Q008	operational	unknown	mandatory	Discharges to Tiered Waters	wastewater	EPA’s CGP has special requirements for discharges to waters that receive Tier 2, Tier 2.5, or Tier 3 protections for antidegradation purposes.	Applies to discharges into Tier 2, Tier 2.5, or Tier 3 protected waters.	high

P Quantitative Requirements (10)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#P001	operational	operational	mandatory	Animal confinement duration	agricultural water, wastewater	requirement	>= 45 days	in any 12-month period	animals have been, are, or will be stabled or confined and fed or maintained	high
#P002	design	treatment	mandatory	Land Disturbance Threshold	other	requirement	>= 1 acres	site disturbance requiring NPDES permit coverage	includes land that is part of a common plan of development or sale that will ultimately disturb one or more acres	high
#P003	design	treatment	guideline	Small Construction Activity Waiver Eligibility	other	requirement	<= 5 acres	size of small construction sites eligible for waivers	applies to limited circumstances such as low erosivity or established TMDLs	high
#P004	physical	treatment	mandatory	Rainfall Erosivity Factor (R-factor) for LEW	other	requirement	< 5 dimensionless	eligibility for Low Erosivity Waiver (LEW)	during the period of construction activity	high
#P005	operational	reporting	mandatory	NOI Submission Deadline - New Site	other	requirement	>= 14 calendar days	before commencing construction activities	for operators of new sites where construction commences on or after February 17, 2022	high
#P006	operational	operational	mandatory	Permit Authorization Lead Time - New Site	other	requirement	14 calendar days	after EPA notification of receipt of complete NOI	unless EPA notifies that authorization is delayed or denied	high
#P007	operational	reporting	mandatory	NOI Submission Deadline - New Operator	other	requirement	>= 14 calendar days	before the date the transfer to the new operator will take place	for new operators replacing existing operators through transfer of ownership/operation	high
#P008	operational	reporting	mandatory	NOI Submission Deadline - Emergency Project	other	requirement	<= 30 calendar days	after commencing construction activities	for projects initiated in response to a public emergency requiring immediate authorization	high
#P009	operational	operational	mandatory	Emergency Project Full Authorization Lead Time	other	requirement	14 calendar days	after EPA notification of receipt of complete NOI	emergency projects are provisionally covered immediately; full coverage after this period	high
#P010	design	treatment	mandatory	Sediment Basin Design Storm Event	other	requirement	2-year, 24-hour storm event	Required design volume for storage of runoff in a sediment basin	Applies if a sediment basin is installed per the 2022 CGP requirements	high

D Definitions (21)

Req ID	Name	Context	Confidence
#D001	Source of water	A source of water for reuse purposes is any alternative water source that can help offset the demand for traditional freshwater supplies.	high
#D002	Treated municipal wastewater	Treated wastewater effluent discharged from a centralized wastewater treatment plant of any size. Other terms referring to this source of water include domestic wastewater, treated wastewater effluent, reclaimed water, and treated sewage.	high
#D003	Onsite collected waters	Water sources generated within or surrounding a building, residence, or district. Other terms referring to this source of water include greywater, blackwater, air conditioning condensate, and foundation water. Rainwater collected onsite is a unique source water.	high
#D004	Industry process water	Water produced during industrial and manufacturing processes. Other terms referring to this source of water include air handling condensate, boiler, cooling or wash water, and water generated during oil and natural gas extraction.	high
#D005	Stormwater	Precipitation that is collected from land or impervious surfaces at a district or regional scale (e.g., using a municipal storm drain) for the purpose of beneficial reuse. Precipitation collection at the building scale is classified separately under 'rainwater collected onsite.’	high
#D006	Rainwater collected onsite	Precipitation that is collected at a building scale ⁠for the purpose of beneficial reuse within or surrounding the building. Precipitation collected at the district or regional scale is classified separately under 'stormwater.'	high
#D007	Reuse application	A reuse application is the recycling of an alternative source of water that is adequately treated for its intended use.	high
#D008	Potable water reuse	The use of highly treated recycled water for drinking water purposes. Includes the introduction of recycled water into an environmental buffer, such as groundwater aquifer or surface reservoir being withdrawn for potable purposes (indirect potable reuse), and the introduction of recycled water into a drinking water treatment facility or directly into a potable water distribution system (direct potable reuse).	high
#D009	Onsite non-potable water reuse	Water from onsite sources collected, treated, and used for non-potable purposes at the single-building or district scale. Excludes the use of recycled water from a centralized treatment and distribution system for landscaping or commercial uses (refer to “Water reuse for landscaping” and “Centralized non-potable reuse”).	high
#D010	Centralized non-potable reuse	The use of recycled water for centralized non-potable reuse where the water does not derive from the same site where it is to be reused. Can include, but is not limited to, toilet flushing, dust control, soil compaction, fire protection, commercial laundries, vehicle washing, street cleaning, snowmaking, and other similar uses. Excludes on-site non-potable water reuse and the use of recycled water for agriculture or landscaping.	high
#D011	Water reuse for agriculture	The use of recycled water to land to assist in the production of both commercially and non-commercially processed food crops consumed by humans or livestock and non-food crops. Includes pasture for milking and non-milking animals, fodder, fiber, and seed crops, vineyards, orchards, ornamental nursery stock, Christmas trees, and silviculture. Excludes consumption by livestock, onsite non-potable reuse, and landscaping.	high
#D012	Water reuse for landscaping	The use of recycled water on land to assist in the irrigation of vegetation in residential and non-residential areas. Includes impoundments to store water for irrigation , ornamental vegetation, parks, school yards, sporting facilities (including golf courses), private gardens, roadsides and greenbelts, and cemeteries. Excludes irrigation of areas used for agriculture, commercial reuse applications, or any centralized onsite non-potable reuse.	high
#D013	Water reuse for consumption by livestock	The use of recycled water for livestock drinking water supplies. Excludes physical application of reclaimed water to pasture for milking and non-milking animals, forage crops used as animal feed, and land used for livestock grazing.	high
#D014	Water reuse for environmental restoration	The use of recycled water to create, sustain, or augment water bodies including wetlands, aquatic habitats, or stream flow. Includes groundwater or aquifer recharge for protection from saltwater intrusion , stream flow augmentation and wildlife habitat, and source water protection.	high
#D015	Water reuse for impoundments	The use of recycled water in an impoundment (body of water within an enclosure). This includes both unrestricted (use of reclaimed water in an impoundment in which no limitations are imposed on body-contact water recreation activities) and restricted (use of reclaimed water in an impoundment where body contact is restricted). Includes recreational impoundments, aesthetic impoundments, and ornamental impoundments with and without public access. Excludes landscaping impoundments and storage of recycled water intended for other specific reuse applications (e.g., for agricultural irrigation).	high
#D016	Water reuse for industry	The use of recycled water for industrial applications, often created at the industrial facility. This includes recycled water generated through onsite processes such as boiler water, cooling water, manufacturing water, and oil and gas production, as well as recycled water generated offsite and imported elsewhere for industrial reuse applications.	high
#D017	REUSExplorer	Regulations and End-Use Specifications Explorer; a synthesis of state laws and policies governing water reuse across the US for informational purposes only.	high
#D018	Indirect potable reuse	The introduction of recycled water into an environmental buffer, such as groundwater aquifer or surface reservoir being withdrawn for potable purposes.	high
#D019	Direct potable reuse	The introduction of recycled water into a drinking water treatment facility or directly into a potable water distribution system.	high
#D020	Unrestricted	Use of reclaimed water in an impoundment in which no limitations are imposed on body-contact water recreation activities.	high
#D021	Restricted	Use of reclaimed water in an impoundment where body contact is restricted.	high