WELL AP Practice Exam Questions &
Answers 2024/2025
How many preconditions are in the water concept? - ANSWERS3: W01-W03
How many optimizations are in the water concept? - ANSWERS5: W04-W08
What is the name of the first precondition (W01) for the water concept and how many parts does it
have? - ANSWERSWater Quality Indicators; 1 part
What are the two parameters used to assess the effectiveness of systems as easy-to test measurements
for the possible presence of other, more concerning contaminants, and are therefore known as
"indicators?" - ANSWERSTurbidity and Coliforms
What is turbidity? - ANSWERSTurbidity is a measure of water cloudiness.
What are coliforms? - ANSWERSColiform bacteria are naturally present in the environment and can be
associated with fecal contamination and may cause disease if ingested.
What is Part 1 of W01? - ANSWERSVerify Water Quality Indicators - Water delivered to the project and
intended for human contact meets specific thresholds.
What is the threshold for turbidity? (W01) - ANSWERSLess than or equal to 1.0 NTU, FTU, or FNU
What is the threshold for coliforms? (W01) - ANSWERSCannot be detected in any 100 ml sample
What is the name of the second precondition (W02) in the water concept and how many parts does it
have? - ANSWERSDrinking Water Quality; 2 parts.
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