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Document ID us-ca-otrnw-2026-04-23 Title Onsite Treatment and Reuse of Nonpotable Water URL https://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/onsite_nonpotable_reuse_regulations.html Jurisdiction /us/ca Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:51:37.713836+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (8)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeunknownmandatoryState Water Board regulatory adoption mandateotherCalifornia Water Code section 13558 requires the State Water Board to adopt regulations on or before December 1, 2022, for risk-based water quality standards for the onsite treatment and reuse of nonpotable water for nonpotable end uses in multifamily residential, commercial, and mixed-use buildings.Applies to onsite treatment and reuse of nonpotable water for nonpotable end uses in multifamily residential, commercial, and mixed-use buildings.high
#Q002administrativeunknownmandatoryBuilding standards development mandateotherWater Code section 13558 also requires that on or before December 1, 2023, the Department of Housing and Community Development, in consultation with the State Water Board, is required to develop and propose for adoption any necessary corresponding building standards to support the risk-based water quality standards established by the State Water Board.high
#Q003administrativeunknownmandatoryCompliance timeframe for existing systemsotherExisting onsite treated nonpotable water systems in operation before the effective date of the regulations will be required to comply with the regulations within two years of the effective date.Applies to existing onsite treated nonpotable water systems in operation before the effective date of the regulations.high
#Q004administrativeunknownmandatoryCannabis Policy Compliance for Licensingagricultural waterCompliance with the Cannabis Policy is required to obtain a license from the Department of Cannabis Control (DCC).Requirement for obtaining a cultivation licensehigh
#Q005administrativeunknownmandatoryNotice of Applicability Requirementsagricultural water, wastewaterOnce an online application is submitted and the applicable fee is paid, a Notice of Applicability (NOA) will be issued to the enrollee by the State Water Resources Control Board.Contingent upon application submission and fee paymenthigh
#Q006administrativereportingmandatoryGeneral Order Application Procedureagricultural water, wastewaterTo apply for coverage under the General Order or to transition regional enrollment to the General Order... Complete the “Cannabis General Order and Small Irrigation Use Registration Portal” survey.Applying for coverage or transitioning regional enrollmenthigh
#Q007reportingreportingmandatoryAnnual Monitoring Reporting Procedureagricultural water, wastewaterTo submit your Annual Monitoring Reports… Complete the “Online Cannabis Water Quality Monitoring & Reporting Program” survey.Submission of annual reportshigh
#Q008administrativereportingmandatoryTermination Submission Procedureagricultural water, wastewaterTo submit your Notice of Termination… Complete the “Cannabis Order Termination Request Form” and “Online Cannabis Water Quality Monitoring & Reporting Program” survey for your final monitoring report.Requesting termination of coveragehigh

P Quantitative Requirements (0)

No quantitative requirements.

D Definitions (8)

Req ID Category Name Context Confidence
#D001State Water BoardState Water Resources Control Boardhigh
#D002WDRswaste discharge requirementshigh
#D003Water ActState Porter Cologne Water Quality Control Acthigh
#D004RCRAResource Conservation and Recovery Acthigh
#D005Regional Water BoardsRegional Water Quality Control Boardshigh
#D006the Water Boardsthe State Water Resources Control Board and the Regional Water Quality Control Boards collectivelyhigh
#D007USEPAUnited States Environmental Protection Agencyhigh
#D008CCRCalifornia Code of Regulationshigh