Wellhead, casing and sanitary seal
Inspect the visible wellhead and surroundings to reduce contaminant entry paths before blaming only indoor treatment.
Decision triage
VERT / GREEN · JAUNE / YELLOW · ROUGE / RED
What the professional checks
The specialist checks casing height/seal, cap, annular seal, surface drainage, protective distances, pump/connections and water quality.
Official sources
Sources checked: 2026-08-24
Tools related to this issue
V16
Advanced diagnostics to cross-check
V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.