California Water Boards' Annual Performance Report - Fiscal Year 2019-20
- Data Source: CIWQS. Period July 1, 2019 to June 30, 2020 .
- Unit of Measure: Number of self-monitoring reports that were due, received or reviewed during the fiscal year.
- Data Definitions: Self-Monitoring Report required in Waste Discharge Requirements. Data include all Self-Monitoring Report types and frequencies
- References: Information on the Water Boards' NPDES program
Information on the Water Boards' WDR - NON15 program
Information on the Water Boards’ Land Disposal Program
Public Reports and Data
Enforcement and Compliance Assurance Information
- Major Facility
- Major municipal dischargers include all facilities with design flows of greater than one million gallons per day and facilities with approved industrial pretreatment programs. Major industrial facilities are determined based on specific ratings criteria developed by US EPA/State.
- Minor Facility
- A minor facility is a discharge with a design flow of less than one million gallons per day (MGD) that has not been determined to have an actual or potential adverse environmental impact classifying the discharge as major.
- General Permit
- An NPDES permit issued under 40 CFR 122.28 that authorizes a category of discharges under the Clean Water Act (CWA) within a geographical area. A general permit is not specifically tailored for an individual discharger.
- Large Municipal Facilities
- Facilities discharging municipal waste serving a population equivalent to 1,000 people and with a design flow of greater than 100,000 gallons a day. This group only includes those facilities regulated with individual Waste Discharge Requirements (WDR).
- Municipal Sources
- Facilities that treat sewage or a mixture of predominantly sewage and other waste from districts, municipalities, communities, hospitals, schools, and publicly or privately owned systems (excluding individual surface leaching systems disposing of less than 1,000 gallons per day).
- Small Municipal and Domestic Waste Facilities
- Facilities discharging municipal waste serving a population equivalent to less than 1,000 people and with a design flow less than 100,000 gallons a day. Small municipal waste facilities are typically regulated under a general order and may include facilities discharging to subsurface systems such as septic tanks and leach fields or small wastewater package plants.
- Industrial Sources
- Facilities that treat and/or dispose of liquid or semisolid wastes from any servicing, producing, manufacturing or processing operations of whatever nature including mining, gravel washing, geothermal operations, air conditioning, ship building and repairing, oil production, storage and disposal operations, and water well pumping.
- All other WDR facilities
- All facilities that treat and/or dispose of wastes that do not fall into one of the Municipal, Industrial and Agricultural Waste categories. It does not include Dairies or other Confined Animal facilities.