Free Professional Tools

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.

∑FREE • WORKING TOOL

Quick Estimator

Create itemized project estimates with quantities, unit rates, tax and contingency. Print a professional summary.

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◉FREE ACCOUNT

Backflow Tracker

Save your assembly inventory, agency information and next-test dates in your own workspace.

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≋FREE • WORKING TOOL

Water Math

Quick flow and tank-volume conversions, with transparent formulas and units.

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PRACTICAL WATER MATH

Water math calculators

Calculations run in your browser. Inputs are not uploaded.

Million gallons per day0.3600 MGD
GPM × 1,440 ÷ 1,000,000
Approximate gallons23,500 gal
π × (D ÷ 2)² × depth × 7.48052
Theoretical detention time120 min
Volume (gal) ÷ flow (GPM), assuming complete mixing is not modeled.
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Water operator training and course overviews

Review available refresher training and explore introductions to additional water-industry subjects.

Training currently listed as available

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These pages introduce planned training topics. Full instructional material or enrollment may not yet be available.

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Check measurements and rates before using results in the field.