Environmental Technology

Environmental Technology (ENVT)

ENVT 351 Math for Water and Wastewater Operators

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:None.
  • Advisory:ENVT 355 and MATH 100
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an introduction to quantitative analysis of wastewater and water processes. Topics covered include general math, including significant figures and proper rounding, applicable algebraic and geometry equations, unit analysis, volumes, flows, pressures, conversions, solution strengths, and applicable laboratory and chemistry equations used in water and wastewater treatment operations.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • review and reinforce basic math skills for quantitative analysis, calculating operation criteria, and solving problems associated with water and wastewater operations.
  • organize data and develop basic graphs and charts to plot data and demonstrate process understanding of water and wastewater operations.
  • calculate operational conditions and perform quantitative analysis of static and dynamic hydraulic conditions and systems (for example, hydraulic grade line, flow, velocity, friction loss, surface/filter/weir loading rates, detention time, pumping rates, well hydraulics, and horsepower equations).
  • analyze the mathematical aspects of basic chemistry principles related to water/wastewater, and perform quantitative analysis of chemical dosing, mixing, and percent strengths of solutions.

ENVT 353 Science for Water and Wastewater Operators

  • Units:4
  • Hours:54 hours LEC; 54 hours LAB
  • Prerequisite:ENVT 351 with a grade of "C" or better
  • Advisory:ENVT 355
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course will cover three topic areas, Biology, Chemistry, and Physics as they apply to operation, maintenance, and management of water and wastewater facilities. The course is intended to provide the student with a fundamental understanding of the sciences underlying studies of water and wastewater conveyance and treatment. Field trips may be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • evaluate the role of science in water and wastewater operations, including scientific laws and theories, scientific methods, and how these provide a foundation for environmental technology fields, including water and wastewater.
  • evaluate physical laws and principles associated with water/wastewater, including gravity settling, static pressure, energy and dynamics in water systems, and flow continuity.
  • conceive basic chemistry principles, the structure and classification of matter, hypothesize chemical reactions and bonding, and predict the impact of commonly used chemicals on water and wastewater processes.
  • solve water/wastewater chemistry problems involving chemical balancing, atomic mass, percent strength, concentrations, and molar solutions; quantify feed rates and dosing of chemicals.
  • assess the role of microbes in water and wastewater operations, and how the presence or absence of microbes has a significant impact on water and wastewater operations.

ENVT 354 Waste Water Management: Basic Instrumentation and Electrical Controls

  • Units:4
  • Hours:54 hours LEC; 54 hours LAB
  • Prerequisite:ENVT 353 with a grade of "C" or better
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course is an introduction to power and electrical circuits, induction motors, electromagnetic concepts, and various devices used to control and measure flow, pressure, depth, chemical feed, and other operating parameters associated with water and wastewater distribution and treatment systems. Field trips may be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • assess and understand control circuits, circuit interpretation and the theories related to electrical phenomenon, including volts, amps, resistance, capacitance, frequency, conductors, etc.
  • distinguish and identify modern control devices including programmable logic controllers (PLCs), remote terminal units (RTUs), supervisory and data acquisition (SCADA) systems, relays, operators interfaces, set points, data communication systems, data collection and reporting, alarms, etc.
  • demonstrate and understand the types, functions, and use of flow control devices, including flow meters, globe valves, modulating valves, pneumatic systems, Parshall flumes, sonic and magnetic flow measuring devices, registers and reading devices and systems, hydropneumatic tanks, etc.
  • compile and categorize the types, functions, and use of pressure measuring devices, including gauges, sonics, transducers, Burdon tube (mercoid), pressure reducing valves, pressure sustaining valves, pressure relief valves, etc.
  • identify various types of motor devices, including starters, surge protection, VFD's, overload protection, heaters, housings, vibration, start/stop delays, horsepower, efficiencies and costs, matching motors and pumps, and other important components associated with electric motors.
  • understand the type, use, and function of chemical analyzing and feed/dosing systems, including chlorine analyzers, turbidimeters, and other instruments used for automated monitoring and control.
  • evaluate general electrical safety and maintenance practices, emergency backup power systems, security systems, chlorine scrubbers, etc.

ENVT 355 Introduction to Water, Wastewater and Recycled Water Management

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:None.
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an introduction to water, wastewater and recycled water management. Topics covered include management of public and private utilities, the history of water supply, water and treatment and distribution, wastewater collection and treatment, and recycling water in the world and in the United States; water rights in California, environmental economics related to pollution, and an overview of the State and federal regulations governing water supply, wastewater treatment and recycled water use, including permitting requirements and operator certification program. Field trips will be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • describe the concepts purpose, systems, and benefits of water supply and treatment, wastewater collection and treatment, and the use and treatment of recycled water.
  • explain local hydrology, major water systems, and water rights in California.
  • evaluate pollution control economics and cost/benefit decision making
  • evaluate the general management challenges associated with water, wastewater, and recycled water industries.
  • analyze the need for sensible water management, water conservation, and the impact of conservation to water and wastewater facilities and operations.
  • categorize general regulatory requirements, regulatory agencies involved, and permits required for water, wastewater and recycled wastewater systems.

ENVT 380 Water and Wastewater Treatment Plant Operations I

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:None.
  • Corequisite:ENVT 351
  • Advisory:ENVT 355
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an introduction to water and wastewater treatment plant operations and maintenance. Topics covered include responsibilities of the plant operator, preliminary treatment systems including racks, screens, grit removal, comminutors, sedimentation, clarification, flotation, biological treatment processes, activated sludge, chemical treatment processes, filtration, disinfection and chlorination. Field trips and/or a semester project may be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • analyze the role and responsibilities of a treatment plant operator.
  • evaluate preliminary treatment processes, the equipment and processes involved, purpose, and typical maintenance and operation activities associated with preliminary treatment.
  • evaluate gravity settling treatment processes (i.e. basins and clarifiers), the equipment and processes involved, purpose, and typical maintenance and operation activities associated with gravity settling treatment.
  • evaluate biological treatment processes, the equipment and processes involved, purpose, and typical maintenance and operation activities associated with biological treatment.
  • evaluate chemical treatment processes, the equipment and processes involved, purpose, and typical maintenance and operation activities associated with chemical treatment.
  • describe disinfection processes and chlorine reactions with water.

ENVT 381 Water and Wastewater Treatment Plant Operations II

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:ENVT 380 with a grade of "C" or better
  • Corequisite:ENVT 353
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an advanced level of understanding of treatment operations and maintenance. Topics covered include industrial wastes, activated sludge, sludge digestion, membrane treatment systems, ion exchange treatment systems, activated carbon treatment systems, solids and backwash water handling, microbial identification and life-cycles, effluent disposal, plant safety and good housekeeping, maintenance, basic laboratory procedures. Field trips may be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • analyze the different design and operational variables of aeration methods and the activated sludge process, the purpose of aeration, and mechanical aeration systems.
  • evaluate solids and backwash water handling systems, including sludge digestion; de-watering processes; and recovery, use, and disposal of waste byproducts.
  • examine the importance of safety programs, and the hazards associated with treatment facilities.
  • assess the importance of operational procedures for water monitoring of effluent disposal, report writing, and data interpretation.
  • demonstrate knowledge of advanced treatment systems including membranes, ion exchange, and activated carbon.
  • use knowledge of microbiology to understand activated sludge processes, collection of samples, sample preparations, microscopic observations, microbial life-cycles, and process monitoring.

ENVT 382 Water and Wastewater System Regulations and Management

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:ENVT 355 with a grade of "C" or better
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an understanding of existing and emerging concerns in the water and wastewater fields, including conservation, recycled water, groundwater basin management, source water protection, energy and water, asset management and mapping programs, and challenges on the horizon, such as emerging contaminants, regulations, and impacts of climate change.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • review the requirements of the Safe Drinking Water Act and Clean Water Act regulations, and discuss how these influence water and wastewater operations.
  • identify the recycled wastewater value, use, and treatment level requirements, and the challenges and benefits of its use.
  • recognize problems associated with resource scarcity, and how to prepare for periods of drought.
  • examine the relationship between water and energy, and how water use impacts energy needs and climate change.
  • examine and evaluate emergency preparedness for source water emergencies.
  • identify water conservation codes, demand mitigation measures, and use of conservation as a “source”.
  • assess the impact of changing climate and hydrology on water source supplies.
  • identify emerging contaminants and technologies that may impact water and wastewater programs.
  • prepare asset management reports and understand the benefits of GIS mapping systems for asset management.

ENVT 383 Water Distribution and Wastewater Collection Systems

  • Units:3
  • Hours:54 hours LEC
  • Prerequisite:None.
  • Corequisite:ENVT 351
  • Advisory:ENVT 355
  • Transferable:CSU
  • Catalog Date:June 1, 2019

This course provides an understanding of water distribution and wastewater collection systems operation and maintenance. Topics covered include: design criteria, storage, pumping, construction methods, system testing, control of water quality in a water distribution system, federal and state regulations pertaining to potable and non-potable supplies, maintenance and administration of a distribution and collection system. This course prepares students for state distribution and CWA collection operator exams. Field trips may be required.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • evaluate design criteria for a distribution system, components of distribution systems flow control.
  • analyze maintenance programs associated with water distribution systems, the disinfection of water distribution facilities, and how to maintain and protect the water quality in a distribution system.
  • evaluate related safety concerns and practices associated with water distribution and collection systems.
  • assess wastewater collection systems and the basic operation and maintenance of wastewater collection systems.
  • understand the importance of backflow prevention and cross connection control.
  • identify the purpose of wastewater collection systems including components, design, and safety procedures.

ENVT 495 Independent Studies in Environmental Technology

  • Units:1 - 3
  • Hours:54 - 162 hours LAB
  • Prerequisite:None.
  • Transferable:CSU
  • Catalog Date:June 1, 2019

ENVT 498 Work Experience in Environmental Technology

  • Units:1 - 4
  • Hours:60 - 300 hours LAB
  • Prerequisite:None.
  • Enrollment Limitation:Student must be in a paid or non-paid internship, volunteer opportunity, or job related to career interests.
  • Advisory:ENGWR 101 or ESLW 320
  • Transferable:CSU
  • General Education:AA/AS Area III(b)
  • Catalog Date:June 1, 2019

This course provides students with opportunities to develop marketable skills in preparation for employment or advancement within the field of Environmental Technology. Course content will include understanding the application of education to the workforce; completing required forms which document the student's progress and hours spent at the work site; and developing workplace skills and competencies. During the semester, the student is required to attend orientation. Students must complete 75 hours of related paid work experience, or 60 hours of related unpaid work experience, for one unit. An additional 75 hours of related paid work experience or 60 hours of related unpaid work experience is required for each additional unit. The course may be taken for a maximum of 16 units. Students should have access to a computer, the Internet, and some computer media such as a USB drive to store data files. Online students must have an email account. Only one Work Experience course may be taken per semester.

Student Learning Outcomes

Upon completion of this course, the student will be able to:

  • apply industry knowledge and theoretical concepts in a field of study or career as written in the minimum 3 learning objectives created by the student and his/her employer or work site supervisor at the start of the course.
  • manage personal career plans and decision making using industry & workforce information and online resources.
  • behave professionally and ethically, exhibit adaptability, initiative, self-awareness and self-management as needed.
  • exhibit effective communication, collaboration, and leadership skills at work with consideration to workplace dynamics and social and diversity awareness.
  • demonstrate critical and creative thinking skills as they apply to the workplace.