Observed arrival · 2026-10-21
Well Sizer’s calculators for private-well systems
A set of calculators for sizing a well pump, pressure tank, and septic tank using a home’s measurements and state-specific rules.
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- For
- Homeowners sizing private-well and septic systems
- Worth noticing
- Pump sizing rounds up to the next listed depth and pressure point, which the site says makes the result err on the safe side.
Field notes
The pump workflow combines lift, pressure, and pipe friction to estimate total dynamic head, then matches flow requirements against published Goulds 10GS ratings. Its pressure-tank explanation uses the example of a 39.5-gallon tank, with 10.2 gallons drawn between cut-out and cut-in. The septic section presents bedroom-based minimums drawn from state rules; the page says 47 states set a statewide figure.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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