Wastewater Treatment

Sep
24

How to Study for Water Treatment License Exams – Part 4 of 10

Water match is the one subject that most operators struggle with the most.  When you are preparing for your water treatment or wastewater treatment license and certification exams, it pays to make sure you understand the math.   Make Sure You Understand Water Treatment Math Most of the calls our instructors get from our students […]

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Jul
09

How to Study for Water Treatment License Exams – Part 2 of 10

How do you learn Best? Today we’re going to take a look at different learning styles and help you answer the question, “How do you learn best?” There are three primary learning styles that determine how we best learn new information and skills.  Each of us are usually a combination of all three, but we’ll […]

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Jun
23

How to Study for Water Treatment License Exams

American Water College prepares water and wastewater treatment operators to pass their state license and certification exams the first time. We thought it might be helpful to share some of the things we’ve learned over past decade about how to study for your next state water or wastewater treatment certification exam.  In addition to this […]

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Jun
22

How to Calculate BOD Removal Efficiency – Wastewater Math

Let’s take a look at how efficient a wastewater treatment plant is at removing BOD.  This is a percent removal problem, so let’s go to the board and see how to work this problem. The problem reads “What is the percent of BOD removed in a plant when the influent BOD is 245 mg per […]

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Jun
21

Nevada Water Operator Certification Reciprocity

We’ve made a few posts recently about Water Treatment Operator License Reciprocity.  Today’s post will answer the question,  “Does Nevada recognize water treatment licenses from other states?” The short answer is yes.  You’ll need to submit an application with the Nevada Division of Environmental Protection’s Burea of Safe Drinking Water. Following is some information that will […]

By jay@americanwatercollege.org | Arizona . Wastewater Treatment . Water Treatment
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Jun
18

Arizona Water Operator Certification Reciprocity

American Water College proudly serves students in all 50 of the United States.  Our Student Support Team gets questions from people all over the country. One question we get frequently is “Does Arizona recognize water and wastewater licenses from other states?” The short answer is yes.  The Arizona Department of Environmental Quality (ADEQ) Operator Certification […]

By jay@americanwatercollege.org | Arizona . Wastewater Treatment . Water Treatment
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Oct
18

How to Calculate Oxygen Transfer to Water – Wastewater Math

Today, we’re going to look at a Oxygen Transfer to Water problem. Watch the video below and learn how this type of Wastewater Treatment math problem is solved. The magnitude of the OTR is importantly influenced by KL a, the overall mass transfer coefficient, which is a characteristic of the diffuser (bubble size) and the gas being […]

By jay@americanwatercollege.org | All States . Blog . Wastewater Treatment
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Oct
11

How to Calculate Grit Removal Rate – Wastewater Math

Today, we’re going to look at a Grit Removal Rate problem. Watch the video below and learn how this type of Wastewater Treatment math problem is solved. Grit removal is the process used to remove sand, silt and grit from water. Grit (and sand) removal is often found in the headworks of wastewater treatment plants (WWTP). If […]

By jay@americanwatercollege.org | All States . Blog . Wastewater Treatment
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