{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

F07.204.Water2 - Water Quality Why is it so dirty Cuyahoga...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Water Quality: Why is it so dirty? Cuyahoga River, Ohio November 1952 Some river! Chocolate- brown, oily, bubbling with subsurface gases, it oozes rather than flows. "Anyone who falls into the Cuyahoga does not drown," Cleveland's citizens joke grimly. "He decays.” Time Magazine, August 1969 Groundwater Pollution What is Water Pollution? any physical (temperature, oxygen), chemical (mercury), or biological (disease, sewage) change to water that adversely effects its use by living things Types of Water Pollution 1. Biological 2. Chemical 3. Physical Measured in: Percent (%) Parts per thousand (‰) Parts per million (ppm) Parts per billion (ppb) Biological Water Pollution 1. Infectious Disease (Pathogens) 2. Oxygen-Demanding Waste Direct (microbes in water): Typhoid, cholera, dysentery, hepatitis… Entamoeba histolytica Biological Water Pollution 1. Infectious Disease (Pathogens) 2. Oxygen-Demanding Waste Indirect (Water breeding carriers): malaria, yellow fever, west nile virus… Treehole mosquito (carried La Crosse ensephalitis) Water Borne Disease % of diseases caused by unsafe water U.S. Water Borne Disease Coliform Test Detection: Measure Fecal Coliform Solutions: • Sewage treatment • Immunization Biological Water Pollution...
View Full Document

{[ snackBarMessage ]}

Page1 / 18

F07.204.Water2 - Water Quality Why is it so dirty Cuyahoga...

This preview shows document pages 1 - 6. Sign up to view the full document.

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