Exam (elaborations)
AWWA chapter 1 Questions and Answers 2024
- Course
- Institution
Exam of 2 pages for the course AWWA at AWWA (AWWA chapter 1)
[Show more]
Seller
Follow
julianah420
Reviews received
Content preview
AWWA chapter 1Which agency sets legal limits on the concentration levels of harmful contaminants in
potable water distributed to customers? - answerUnited States Environmental
Protection Agency
The number of monthly distribution system bacteriological samples required is: -
answerBased on population served
What is the maximum contaminant level for total trihalomethanes (TTHM) in the United
States? - answer0.080 mg/L
Under the Surface Water Treatment Rule, disinfection residuals must be collected at the
same location in the distribution system as... - answerColiform samples
Iron can cause "red water" and this customer complaints when its concentration is
above its secondary maximum contaminant level of... - answer0.30 mg/L
The goal of the Surface Drinking Water Act is for each ________ to accept primary
enforcement responsibility (primacy) for the operation of the state's drinking water
program. - answerState
What is the objective of the Total Coliform Rule? - answerTo promote routine
surveillance of distribution system water quality to search for fecal matter and/or
disease-causing bacteria
Which agency sets standards on the concentration levels of harmful contaminants I'm
drinking water? - answerUS Environmental Protection Agency
Explain the difference between the different tiers of violations. Which one is the most
serious? - answerTier 1 is an acute MCL violation requiring public notification within
within 24 hours. Tier 2 notification must occur within 30 days. Tier 3 requires notification
within 1 year.
A positive E. cool test must be reported to the primacy health agency within what time
period? - answer24 hours
How is the required number of monthly bacteriological samples determined? -
answerPopulation served
What is the action level for lead in first-draw samples taken from customer taps? -
answer0.015 mg/L
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R270,25. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73243 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now