| A | B |
|---|
| Tributary | A smaller creek or river that feeds into larger creek or river |
| Deposition | The process by which soil fragments of rock are deposited in a new location |
| Sediments | The particles of rock and soil that are moved by water or wind |
| Levees | An embankment ( a bank of soil, gravel or rock) raised to prevent a river from overflowing |
| Creek channelization | To reroute and pour concrete onto creek bed and banks |
| Acid rain | Rain that is more acidic than normal, caused by releasing air pollutants, like sulfur dioxide and nitrogen oxide into the atmosphere |
| Tertiary Treatment | Passing secondary effluent through filters to remove fine particulate matter |
| Effluent | Outflow of water from a treatment process |
| Clarifiers | Tanks that allow solids in the water to settle to the bottom |
| Aerobic bacteria | Organisms used in Secondary Treatment of wastewater |
| Secondary Standards | Water quality standards that apply to contaminants that may have aesthetic or cosmetic effects on drinking water |
| Parts per million | PPM |
| Parts per billion | PPB |
| Maximum Contaminant Level | MCL |
| Nitrates | Compounds from fertilizers and manure that can interfere with the bloods ability to transport oxygen |
| Core wall | A wall built of impervious material, usually steel, concrete or asphaltic concrete, in the body of an embankment dam to prevent leakage. |
| Flood gate | A gate to control flood release from a reservoir |
| Gravity dam | A dam constructed of concrete and/or masonry that relies on its mass (weight) for stability |
| Reservoir area | The surface area of a reservoir when filled to normal water level |
| Arch dam | A concrete or masonry dam that is curved to transmit a major part of the thrust due to water pressure to the abutments |
| Condensation | Process by which a gas changes to a liquid |
| Capillary action | The combined force of attraction among water molecules and with the molecules of the surrounding materials |
| State | A form of matter; solid, liquid or gas |
| Specific heat | The amount of heat needed to increase the temperature of a certain mass of substance by 1 degree Celsius |
| Water cycle | The continuous process by which water moves through the living and nonliving parts of the environment |
