Glossary

The erosion control world is filled with a variety of different terms and phrases that may mean one thing to a seasoned veteran but make no sense whatsoever to someone who is just starting out. ErosionControlNetwork.com has comprised a database of many of these phrases and their definitions to help you gain a better understanding of erosion control terminology. How To Use: Click a letter below to see phrases starting with that letter, or enter your word into the text box below and click the Search button. Search by Alphabet A B C D E F G H I J K L M N O P Q R S T U V W X Y Z or Search by Keyword All Search Results are Displayed Below Can't Find A Term? If there are any terms or phrases that are not in our database that you think should be, please click on the button below. We will process your request as soon as possible.

Glossary Results ------------------------------------------------------------------------------------------------------------- Caryopsis Dry, indehiscent fruit in which the single ovule wall is adhered to the pericarp: as seed in grasses. Catchment An area confined by drainage divides usually having only one streamflow outlet. In the UK, "catchment" refers to what in the US is called a watershed. Categorical Industrial User (CIU) An industrial user subject to national categorical pretreatment standards. Categorical Pretreatment Standards Limitations on pollutant discharges to publicly owned treatment works promulgated by EPA in accordance with Section 307 of the Clean Water Act that apply to specified process wastewaters of particular industrial categories [40 CFR 403.6 and Parts 405-471]. Caving The collapse of a streambank by undercutting due to wearing away of the toe or an erodible soil layer above the toe Centralized Wastewater Treatment System A managed system consisting of collection sewers and a single treatment plant used to collect and treat wastewater from an entire service area. Traditionally, such a system has been called a publicly owned treatment works (POTW) as defined at 40 CFR 122.2. CFR Code of Federal Regulations Channel A natural or artificial waterway Check dam A temporary dam across a swale or gully to reduce gully erosion, or placed bank to bank downstream from a headcut; often used in series Chemical Oxygen Demand (COD) A measure of the oxygen-consuming capacity of inorganic and organic matter present in wastewater. COD is expressed as the amount of oxygen consumed in mg/l. Results do not necessarily correlate to the biochemical oxygen demand (BOD) because the chemical oxidant may react with substances that bacteria do not stabilize. 1 2 3 4 ...