Parameter Viewer

Document ID us-ca-npdes-2025-09-17 Title National Pollutant Discharge Elimination System (NPDES) URL https://www.waterboards.ca.gov/water_issues/programs/npdes/cafo.html Jurisdiction /us/ca Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:56:03.423651+00:00 Relevance inventory_targeted_fetch

9 Qualitative 9 Quantitative 4 Definitions

Q Qualitative Requirements (9)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	administrative	operational	mandatory	Regional Regulatory Program Development	wastewater, agricultural water	Each Regional Water Board develops the regulatory program it uses for CAFs.	Applies to Regional Water Quality Control Boards regarding Confined Animal Facilities (CAFs)	high
#Q002	design	treatment	mandatory	Engineered Waste Management Plan	wastewater, agricultural water	Dairies and feedlots in the Santa Ana Region operate under a General NPDES permit that requires preparation of an engineered waste management plan.	Dairies and feedlots in the Santa Ana Region	high
#Q003	prohibition	operational	mandatory	Discharge Prohibition	wastewater, agricultural water	Such discharges are prohibited at CAFs in California, and as a result of a strong enforcement program, few of these discharges occur.	Applies to discharging to a water of the United States from CAFs in California	high
#Q004	operational	operational	mandatory	Nutrient Management Plans	wastewater, agricultural water	The WDR Order will require the dairies to develop and implement nutrient management plans and to submit annual reports.	Dairies regulated under the General Waste Discharge Requirements (WDR) Order (Central Valley Region)	high
#Q005	reporting	reporting	mandatory	Annual Reports Submission	wastewater, agricultural water	The WDR Order will require the dairies to develop and implement nutrient management plans and to submit annual reports.	Dairies regulated under the General Waste Discharge Requirements (WDR) Order (Central Valley Region)	high
#Q006	administrative	operational	mandatory	Annual Fee Payment	wastewater, agricultural water	The permitted facilities will pay an annual fee that is based on animal population and ranges from $200 to $4,000 plus a surcharge to support the Surface Water Ambient Monitoring Program (SWAMP).	Permitted facilities under the WDR Order	high
#Q007	monitoring	operational	mandatory	Groundwater Monitoring	wastewater, agricultural water	Since impact to groundwater is the major concern at these CAFs, the WDR Order is expected to require groundwater monitoring at some facilities.	Expected to apply at some facilities under the WDR Order	medium
#Q008	reporting	reporting	mandatory	Report of Waste Discharge and Filing Fee	wastewater, agricultural water	As part of the WDR Order implementation process, in October 2005 dairies in the Central Valley Region were required to submit a Report of Waste Discharge (ROWD) and pay a filing fee equivalent to the first annual fee.	Dairies in the Central Valley Region (historical implementation process requirement from October 2005)	high
#Q009	administrative	reporting	mandatory	NPDES Permit Coverage for Pesticide Discharges	aquatic life, agricultural water, other	the application of pesticides at, near, or over waters of the United States that results in discharges of pollutants requires coverage under a National Pollutant Discharge Elimination System (NPDES) permit.	Applies to pesticide applications at, near, or over waters of the United States resulting in pollutant discharges.	high

P Quantitative Requirements (9)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R001	operational	operational	mandatory	Permit effective period	wastewater	requirement	<= 5 years	Effective period of an individual permit	Issued to the facility	high
#R002	operational	operational	mandatory	Permit renewal application deadline	wastewater	requirement	>= 180 days	Prior to the expiration date	Required for reapplication	high
#R003	operational	reporting	mandatory	Public comment period	wastewater	requirement	30 days	Notice for public comment on draft permit	After application is deemed complete	high
#R004	operational	reporting	mandatory	Public notice publication duration	wastewater	requirement	1 day	In the largest circulated paper in the municipality or county	Must be published by the discharger	high
#R005	operational	reporting	mandatory	Proof of publication submission deadline	wastewater	requirement	<= 15 days	After posting or publication	Submit proof to the Water Board	high
#R006	operational	operational	mandatory	EPA objection period	wastewater	requirement	30 days	Time for U.S. EPA to object to the adopted permit	After permit adoption by Water Board	high
#R007	operational	operational	guidance	Permit issuance duration estimate	wastewater	requirement	6 months	Approximate process duration	May take longer depending on nature of discharge	high
#R008	operational	operational	mandatory	Permit effective term	wastewater	requirement	<= 5 years	NPDES permits have an effective term and expire thereafter	Typically reissued every five years or less	high
#R009	operational	operational	mandatory	Ocean-going ship tonnage threshold for sewage discharge prohibitions	wastewater	requirement	>= 300 gross tons	Ships with sufficient holding tank capacity subject to sewage discharge prohibitions	When operating in California waters	high

D Definitions (4)

Req ID	Name	Context	Confidence
#D001	ASBS	Area of Special Biological Significance. These are 34 ocean areas monitored and maintained for water quality by the State Water Resources Control Board.	high
#D002	Total Maximum Daily Load	a regulation created to improve water quality by controlling the amount of pollutants entering a water body	high
#D003	TMDL	Total Maximum Daily Load	high
#D004	Safe to Swim map	showcases bacterial sampling data for coastal and inland monitoring locations over time	high