Water Treatment Studienführer, Klassennotizen & Zusammenfassungen

____ and/or _________ in a water supply can discolor laundry, cause a bad taste in the water, and cause taste problems in beverages such as coffee and tea. (Ans- Iron and/or Manganese Water systems that collect less than _____ coliform samples each month can have 1 positive sample and remain in compliance. (Ans- 40 The maximum contaminant level for bromate is _____ mg/L. (Ans- 0.010 mg/L Water systems must provide at least _____ removal or inactivation of Giardia lamblia cysts bet...

A continuously flowing watercourse (Ans- Perennial Stream Algae causes PH to ....... at night (Ans- Decrease What contributes to creation of algae blooms (Ans- Increased nutrients Iron is found mostly in what sources of water (Ans- Groundwater Also called the rule of reasonable sharing (Ans- Riparian Doctrine Water high in salinity and warm is (Ans- Low in dissolved oxygen Reservoir turnover (Ans- Denser water at surface sinking toward the bottom Water that flo...

When organic wastes are discharged to receiving waters, O2 is depleted by _____. (Ans- bacteria Hydrogen sulfide gives off an odor similar to____. (Ans- rotten eggs 3 diseases potentially carried by wastewater are _____. (Ans- typhoid fever, dysentery, cholera Immediate first aid for burns is to ____. (Ans- flood with cold water What most likely causes an electric motor failure? (Ans- moisture What mixed liquor characteristics indicate a healthy activated sludge process? (Ans- brown color, ...

which disinfectant would work best against Cryptosporidium (Ans- Ozone The pH of a Water sample Is greater than the PHs so the Langlier index (Ans- indicates the water is scale forming When water high in calcium bicarbonate is softened by ion exchange (Ans- Sodium Bicarbonate remains in the product water A bypass valve would be used with a (Ans- gate valve Where ground frost is expected the riser pipes in a meter pit should be at least how far away from any wall of the meter bo...

If a consumer complains about the drinking water characteristics, the operator should record the complaint and Investigate immediately. What term is used when a water utility divides its total operating expenses into the total revenue? Operating ratio How often should operating data, such as flow rate, amount of water treated, dosage of chemical, and reservoir levels be recorded? Daily Which of the following is the most important reason to keep daily records of operational data? Document ...

What types of water rights are acquired with title to the land bordering a source of surface water? Riparian Water Rights What type of water rights are acquired for the beneficial us of water by following specific legal procedure? Appropriative Water Rights What type of rights are acquired by diverting water, to which other parties may or may not have prior claims, and putting it to use for a period of time specified by statute? Prescriptive Water Rights Water that drains from saturated o...

which disinfectant would work best against Cryptosporidium Ozone The pH of a Water sample Is greater than the PHs so the Langlier index indicates the water is scale forming When water high in calcium bicarbonate is softened by ion exchange Sodium Bicarbonate remains in the product water A bypass valve would be used with a gate valve Where ground frost is expected the riser pipes in a meter pit should be atleast how far away from any wall of the meter box to prevent freezing 1-2 inches ...

Potable Water Water that is healthy for human consumption, and free of organic and inorganic compounds and microorganisms Palatable Water Water that is aesthetically pleasing and free from turbidity, color, odor, or bad taste Turbidity Measures clarity of water; whether water is cloudy or not What is the purpose of drinking water treatment? To provide potable water that is palatable Major Inorganic Constituents Calcium, chloride, fluoride, iron, magnesium Minor Inorganic Constituents Copp...

What are the main steps during the Hydrologic cycle? 1. Evaporation 2. Condensation 3. Transportation 4. Transpiration 5. Precipitation 6. Runoff Evaporation Defined as: Water is transferred from earths surface to atmosphere. -80% occurs from oceans -Evaporation occurs more at warm temperatures Condensation Defined as: Conversion of water vapor to liquid -excess water vapor condenses to form cloud droplets Transportation Defined as: Movement of water in the atmosphere -Also referred ...

What are the two important factors impacting the effectiveness of chlorination? Concentration of chlorine and contact time The treatment process that controls corrosion or scaling is known as what? Stabilization Permanganate reactions are highly dependent on what factor? pH It is hardest to kill the organism that causes what illness? Cryptosporidiosis Disinfection of water wells with free chlorine requires exposure for how long and at what concentration? 12 to 24 hours; 50mg/L