Well & Septic HQThe library · page 2 of 4
Guides
Every guide answers one question a homeowner actually asked, from named primary sources, with the dollar figures dated and the DIY boundary drawn explicitly.
Sourced guide · septic
Aerobic vs. Conventional Septic: What Twenty Years Actually Costs
Install costs are closer than you think. A mandatory maintenance contract, $264 to $535 a year on aerobic systems, is what separates the two over twenty years.
DIY-safe
Sourced guide · septic
Septic Alarm Going Off? The 5-Step Diagnostic
A septic alarm can mean a tripped breaker, not a failed system. Five causes, ordered cheapest and safest first, and a code fact most homeowners never hear.
DIY with cautions
Sourced guide · septic
Buying a House With Septic: What the Inspection Covers, What It Misses
A pre-purchase septic inspection checks tank condition that day, not the drainfield's remaining life. The EPA checklist, and the gap a clean report leaves open.
DIY-safe
Sourced guide · wells
What size pressure tank does your well need?
A 40-gallon tank holds about 10 gallons of usable water, or 4. Size yours from your pump's gpm and the cut-in on the switch, before anyone quotes you.
DIY with cautions
Sourced guide · water quality
Why does your well water smell like sulfur?
Hot tap only, every tap, or one fixture: the smell pattern names the cause, and only one of the three branches is actually a well-water problem at all.
DIY-safe
Sourced guide · water quality
Whole-House Well Water Filtration: What a System Actually Costs
A well-water treatment train can run five stages. See what each one costs installed and which contaminant justifies it, and which stages your test says to skip.
$3,000-$7,000verified August 2026Professional only