Minnesota Class D Water Prep
Drinking Water Operator
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Free
In-App Purchases
About
Prepare for your Minnesota Class D Water exam with 500 real practice questions covering the key topics on the exam.
FEATURES
- 500 practice questions with instant scoring
- 6 study modes: mock exam, timed, missed, bookmarked, random, and by topic
- Personalized study plan and progress analytics
- Clear explanations so you learn as you go
- Works fully offline, study anywhere
Get exam-ready with confidence.
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What's New in Minnesota Class D Water Prep
1.0
August 6, 2026
Subscription plans
MN Class D Water Full Access
Full MN Class D Water access, billed weekly.
$6.997 Days
1
In-App Purchases
$69.99
MN Class D Water Lifetime
Full MN Class D Water access, one-time unlock
