18WasteWater.pdf.edu

18WasteWater.pdf.edu - Water Quality Water Pollution...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Water Quality Water Pollution Control Act of 1972 - Regulation of both point and nonpoint sources of pollution. Provisions: Emphasis on permit system and enforcement Increased construction grant funding Goals: All water to be fishable and swimmable. Zero pollution discharges Sources of Water Pollution A. Point sources: B. Nonpoint sources: Point and nonpoint sources Rural homes City streets Wastewater treatment plant Cropland Animal feedlot Factory Point Sources Nonpoint Sources Sources of Water Pollution A. Point sources: Specific, large, identifiable discharge outlets -- wastewater treatment plants, industrial or factory drains. Confined animal feeding operations (CAFO’s) of more than 1000 animal units. B. Nonpoint sources: Diffuse, smaller, numerous sources of drainage -- agricultural fields, feedlots, street runoff, construction sites, and septic tank drainage. Point source water contaminants 1. Infectious agents a. Bacterial diseases Typhoid, Cholera, Salmonellosis b. Viral disease - hepatitis c. Protozoa - amoebic dysentery Cryptosporidium d. Parasites - giardia
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Point source water contaminants 2. Inorganic chemicals a. Salts b. Nutrients - N and P c. Heavy metals - Pb, Hg, Zn, Cu, Cd.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 11/04/2011 for the course PWS 150 at BYU.

Page1 / 7

18WasteWater.pdf.edu - Water Quality Water Pollution...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online