Written by Amanda Casteel · COO Reviewed by Johnny Casteel · CEO · Master Plumber Updated July 2026 VA Plumbing Lic. 2710075081 · Contractor Lic. 2705180998
Quick answers
- Find and test the main water shutoff while it is still calm.
- Pour a bucket into the sump pit — confirm the pump starts and discharges outdoors.
- Confirm battery or water-powered backup status (or schedule install before peak season).
- Move boxes and electronics off basement floors; stop laundry if sewer backup is a known risk.
When to use this checklist
The day before peak rain/wind, at the start of storm season, or anytime NWS posts a watch for your DMV county.
Do this first (30–60 minutes)
1) Locate main shutoff and key fixture stops. 2) Test sump float. 3) Walk the discharge line for clogs, ice risk, or crushed pipe. 4) Disconnect hoses and drain hose bibs if cold is coming. 5) Elevate basement valuables. 6) Charge phones; note our number: (703) 214-2551.
What to have ready if you call
Address, whether water is off, basement access notes, sump age/backup type if known, and photos of standing water or sewage.
What happens when we arrive
We stabilize active flooding when safe, diagnose source (groundwater vs sewer vs supply), and present flat-rate options. Dual-trade power issues get electrician coordination — we do not open panels.
After the immediate crisis
Schedule permanent fixes: backup sump, backwater evaluation, winterize, or lateral camera. Prevention beats the second storm.
Failure modes to avoid
Skipping the sump test because “it ran last year”
Float switches fail quietly. A bucket test is cheaper than restoration.
Waiting until water is ankle-deep to learn the shutoff
Practice the valve now. Label it for the household.
Proof & methodology
- · Written by Amanda Casteel (COO), reviewed by Johnny Casteel (CEO · Master Plumber) — Cherry Blossom Plumbing (VA Plumbing Lic. 2710075081).
- · Grounded in Northern Virginia / DMV patterns: basement colonials, Arlington rowhouses, HOA townhomes, clay soils, and multi-day storm outages — not invented storm “hero” stats.
Last updated July 2026
FAQs
Should I call before the storm if the sump sounds weak?
Yes. Pre-storm slots beat emergency triage in the rain. Call (703) 214-2551 and describe the sound, alarm, or long run times.
Is this only for hurricanes?
No. Use it for any heavy rain, wind, or coastal storm outlook — including nor’easters and summer derechos.
Next step
Ready for help in Arlington or Northern Virginia? We diagnose first, explain options in flat-rate terms, and never upsell what you do not need.