Term
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Definition
| the change in water quality that renders it unfit for a given use. |
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Term
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Definition
| defined as contamination discharged through a pipe or other discrete, identifiable locations. |
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Term
| non-point source pollution |
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Definition
| generated from broad, diffuse sources that can be very difficult to identify and quantify. |
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Term
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Definition
1. oxygen demanding chemicals
2. plant nutrients
3. sediments
4. salts
5. disease causing pathogens
6. synthetic organic chemicals
7. trace inorganic chemicals
8. emerging contaminants |
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Term
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Definition
the process of a water body moving from low levels to high levels of essential nutrients, with result in a high demand of dissolved oxygen and can create anaerobic conditions.
Nutrients go into water (N,P) -> dead alge (takes up oxygen) -> dead fish |
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Term
| Disease Causing Pathogens |
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Definition
| virus, bacteria, protozoa, cryptosporduim |
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Term
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Definition
| Biochemcial oxygen demand. an index of water quality- it is the amount of oxygen required to biochemically oxidize the organic matter present in water. |
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Term
| Factors that affect soil erosion |
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Definition
| climate, soil, topography, land use |
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Term
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Definition
| 1972. the principle law governing pollution of the nation's surface waters. |
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Term
| Designated Water use Categories |
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Definition
| drinking water, aquatic life support, fish consumption, body contact recreation, non-body contact recreation, agricultural use |
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Term
| Water Quality Criteria: Biological integrity |
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Definition
| objective measurements of aqutic biological communities. |
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Term
| Water Quality Criteria: Chemical Data |
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Definition
| measurements of key chemical constituents in water, sediments, and fish tissue. (nitrogen and phosphorus, metals, oils, and pesticides) |
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Term
| Water Quality Criteria: Physical Data |
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Definition
| characteristics of water such as temperature, flow, dissolved oxygen, suspended solids, turbidity, conductivity, and pH. |
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Term
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Definition
1. provisions that authorize federal financial assistance for municipal sewage treatment plant construction.
2. the other is the regulatory requirements that apply to industrial and municipal discharges. |
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Term
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Definition
Best practicable control technology (clean up waste discharges)
Best Available Technology (focus on toxic substances) |
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Term
| Determinant Factors to Environmental Quality |
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Definition
| Source-> transport-> transformation-> impact |
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Term
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Definition
| emissions(air), application-agrichemicals(land, water), discharge- municipal or industrial(water), disposal-landfill(land), leak-unintended discharge(land, air, water),inherent natural source(land). |
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Term
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Definition
| can be transported by mass flow(convection) and diffusion |
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Term
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Definition
| the leading pollution of nation's rivers and streams. |
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Term
| Leading Sources of pollution in rivers and streams |
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Definition
| siltation, nutrients, bacteria, organic matter, pesticide, habitat, suspended solids, metals. |
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Term
| leading pollutants in lakes, reservoirs, and ponds |
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Definition
| nutrients, metals, siltation, organic matter, noxious aquatic plants, suspended solids, toxic chemicals. |
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Term
| TMDL (total maximum daily loads) |
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Definition
| defines how much of a pollutant a waterbody (ambient, not the discharge water) can tolerate daily and still. it is a planning process that will lead to the goal of meeting the water quality standards. comply with applicable water quality standards. |
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