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THE PUBLIC TOOLKIT
Free tools built for real work
Useful utilities should be accessible without a subscription. Save private records only when you choose to sign in.
Quick Estimator
Create itemized project estimates with quantities, unit rates, tax and contingency. Print a professional summary.
Build an estimate → FREE ACCOUNTBackflow Tracker
Save your assembly inventory, agency information and next-test dates in your own workspace.
Open tracker →FREE • WORKING TOOL
Water Math
Quick flow and tank-volume conversions, with transparent formulas and units.
Use calculators ↓PRACTICAL WATER MATH
Water math calculators
Calculations run in your browser. Inputs are not uploaded.
Million gallons per day0.3600 MGD
GPM × 1,440 ÷ 1,000,000Approximate gallons23,500 gal
π × (D ÷ 2)² × depth × 7.48052Theoretical detention time120 min
Volume (gal) ÷ flow (GPM), assuming complete mixing is not modeled.CONTINUE LEARNING
Water operator training and course overviews
Review available refresher training and explore introductions to additional water-industry subjects.
Training currently listed as available
TRAINING AVAILABLE
Water Distribution Refresher 8 Hours – 2026
Review course content, access and current enrollment details.
Explore course →TRAINING AVAILABLEWater Treatment 8 hr Refresher – 2026
Review course content, access and current enrollment details.
Explore course →Explore additional course introductions
These pages introduce planned training topics. Full instructional material or enrollment may not yet be available.
COURSE OVERVIEW
Construction Estimating for Water Infrastructure
Explore this training topic and check its current availability.
Read overview →COURSE OVERVIEWConstruction Management and Contract Administration
Explore this training topic and check its current availability.
Read overview →COURSE OVERVIEWField Services Management for Water Utilities
Explore this training topic and check its current availability.
Read overview →Check measurements and rates before using results in the field.
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