Parameter Viewer

Document ID us-wqsh-2025-11-13 Title Water Quality Standards Handbook URL https://www.epa.gov/wqs-tech Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:33:53.471041+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (1)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeunknownmandatoryEPA Review and Approval of State/Tribal Water Quality StandardsotherUnder the Clean Water Act (CWA), we must review and approve them before their use for purposes such as discharge permitting and assessment of water body quality.Before their use for purposes such as discharge permitting and assessment of water body quality.high

P Quantitative Requirements (0)

No quantitative requirements.

D Definitions (13)

Req ID Category Name Context Confidence
#D001aquatic life criterion for toxic chemicalsAn aquatic life criterion for toxic chemicals is the highest concentration of a pollutant or parameter in water that is not expected to pose a significant risk to the majority of species in a given environment or a narrative description of the desired conditions of a water body being "free from" certain negative conditions.high
#D002Human health criteriaHuman health criteria are the highest concentration of a pollutant or parameter in water that is not expected to pose a significant risk to people.high
#D003Water Quality CriteriaCriteria help protect water bodies by identifying pollutant levels or conditions that support the designated uses.high
#D004Numeric Nutrient CriteriaWater quality criteria for nitrogen and phosphorus help to protect water bodies and restore those that are impaired by nutrient pollution.high
#D005RWQCrecreational water quality criteriahigh
#D006CWAClean Water Acthigh
#D007FSTRACFederal-State Toxicology Risk Analysis Committeehigh
#D008WRAPThe National Water Reuse Action Plan (WRAP) is an organizing framework that defines actions intended to drive progress on reuse and address local and national barriers.high
#D009CWSRFClean Water State Revolving Fundhigh
#D010SCUstormwater capture and usehigh
#D011DPRdirect potable reusehigh
#D012LRTlog reduction targethigh
#D013DALYdisability-adjusted life yearhigh