As used in this chapter:
(1) “BOD”
means biochemical oxygen demand, a parameter of organic strength of water or wastewater, determined by measuring the amount of oxygen utilized during microbial decomposition.
(3) “Coliform”
means bacterial organisms found in the digestive tract of warmblooded animals.
(5) “Domestic flow”
refers to wastewater from residential uses.
(9) “MGD, mgd”
means million gallons per day (flow).
(10) “Mg/l”
means milligrams per liter, a unit of the concentration of water or wastewater constituent. It is 0.001 grams of the constituent in 1,000 milliliters of water. It has replaced the unit formerly used commonly, parts per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
(11) “pH”
refers to the negative log of the hydrogen ion concentration. Measure of the relative acidic or basic content of a liquid. Ranges from 1 to 14; 1 being the highest acid content and 14 the basic content. A pH of 7 is a neutral solution.
(12) “Ppm”
means parts per million. The number of weight or volume units of a minor constituent present with each 1,000,000 units of the major constituent of a solution or mixture. Formerly used to express the results of most water and wastewater analyses, but more recently replaced by the ratio milligrams per liter.
(13) “Sanitary sewer, public sewer”
means a pipeline (eight inches in diameter and larger) designed to carry domestic and industrial wastes which run from manhole to manhole and in some cases from cleanout to manhole but does not include side sewers.
(14) “Sewer extension”
refers to extension of the sanitary sewer not including side sewers which can be connected to the extended sewer.
(15) “Side sewers, connecting sewer, service connection”
means the pipeline (usually four- or six-inch diameter) that carries domestic and industrial waste from a building or residence to the sewer line (usually connecting directly into the sewer pipe between manholes via side sewer tees).
(16) “Storm sewers”
means a pipeline designed to carry surface water and ground water which can discharge to a drainage way or stream.
(Ord. 285 § 1, 1986)