ANSWER FIRST
Get a scope you can verify after startup
Ask which problem is being addressed, what measurements support the recommendation and why each treatment stage is needed. Request manufacturer, model, valve, media quantity and flow rating. Clarify who performs the work and verify their qualifications directly.
Before accepting a proposal, resolve drain routing, bypass access, electrical needs, permits where applicable and restoration work. The warranty should separate parts and labor, exclusions and required maintenance. Completion should include leak checks, operating instructions and tests connected to the promised outcome.
Three checks before the next step
- 01
What is included and excluded from installation?
- 02
How will performance be checked?
- 03
Who handles consumables, warranty and future service?
Compare the related treatment or service → · Try the educational decision check
Local evidence and its limits
The City 2026 report covers 2025 monitoring. SNWA regional guidance describes the broader water context; public-system results are not a measurement at your tap. Confirm your supplier and relevant property measurements. Sources reviewed 2026-10-18.
City report publication and monitoring period · SNWA home-treatment guidance