Point vs. Nonpoint Pollution

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Presentation transcript:

Point vs. Nonpoint Pollution Human Impact on the Earths Environment. ?Who is responsible?

Bioaugmentation – Designing bacteria to clean sewage; or to clean polluted and toxic water and soils. Biomagnification – build up of toxins in organisms by ingesting lower trophic levels organisms that ingest even lower trophic levels.

Water Pollution examples Love canal: https://www.youtube.com/watch?v=Kjobz14i8kM Minamata disease https://www.youtube.com/watch?v=iTQ5zf050-w DDT https://www.youtube.com/watch?v=Ipbc-6IvMQI Hexavalent Chromium https://www.youtube.com/watch?v=3EOkQ1AUvv8 Everglades phosphorous https://www.youtube.com/watch?v=8WkQutHS0Vo Exonn Valdez https://www.youtube.com/watch?v=VaRdUHrUnBs

Diagram

Point Source Pollution comes from a specific source, like a pipe factories, industry, municipal treatment plants can be monitored and controlled by a permit system

What is nonpoint source pollution? Nonpoint Source (NPS) Pollution is pollution associated with stormwater or runoff NPS pollution cannot be traced to a direct discharge point such as a wastewater treatment facility

Major Categories of Water Pollutants Iodine, radon, uranium, cesium, thorium Source: Coal & Nuclear Power plants, mining, weapons production, natural Nitrates, Phosphates, Source: Sewage, manure, agricultural and landscaping runoff Organic debris & waste + aerobic bacteria Source: Sewage, feedlots, paper-mills, food processing Oil, Gasoline, Plastics, Pesticides, Solvents, detergents Sources: Industrial effluent, Household cleansers, runoff from farms and yards Acids, Metals, Salts Sources: Surface runoff, Industrial effluent, household cleansers Soil, Silt Source: Power plants, Industrial Bacteria, Viruses, Protozoa, Parasitic Worms Source: Human and animal waste Infectious Agents Oxygen-Demanding Waste Inorganic Chemicals Radioactive Materials Plant Nutrients Organic Chemical Eroded Sediment Heat/Thermal Pollution

Major Categories of Water Pollutants Infectious Agents Bacteria, Viruses, Protozoa, Parasitic Worms Source: Human and animal waste Oxygen-Demanding Waste Organic debris & waste + aerobic bacteria Source: Sewage, feedlots, paper-mills, food processing Inorganic Chemicals Acids, Metals, Salts Sources: Surface runoff, Industrial effluent, household cleansers Radioactive Materials Iodine, radon, uranium, cesium, thorium Source: Coal & Nuclear Power plants, mining, weapons production, natural Plant Nutrients Nitrates, Phosphates, Source: Sewage, manure, agricultural and landscaping runoff Organic Chemicals Oil, Gasoline, Plastics, Pesticides, Solvents, detergents Sources: Industrial effluent, Household cleansers, runoff from farms and yards Eroded Sediment Soil, Silt Heat/Thermal Pollution Source: Power plants, Industrial

Coal ash and our water in NC https://www.youtube.com/watch?v=JYVTutmAmI4

Nonpoint pollution vs point pollution make a diagram And one that has both combined