Description: Primarily nitrogen and phosphorus; in excess amounts, nutrients over-stimulate the growth of weeds and algae and can lead to oxygen depletion.
Description: Bacteria and pathogen indicators, E.coli, Enterococci, total coliforms, fecal coliforms, used as indicators of possible contamination by sewage, livestock runoff, and septic tanks.
Name: Organic Enrichment and Oxygen Depletion (303(d))
Display Field: LISTED_WATER_NAME
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: Low levels of dissolved oxygen; high levels of biochemical oxygen demanding substances (organic materials such as plant matter, food processing waste, and sewage) that use up dissolved oxygen in water when they degrade.
Description: Chemicals identified only as “toxic organics;” also, priority organic compounds, non-priority organic compounds, polycyclic aromatic hydrocarbons (PAH), others; often persistent in the environment.