Possible warning signs
No single symptom proves there is a leak beneath a slab. A qualified plumber may need to locate and diagnose the source. Warning signs worth investigating include:
- Unexplained water usage or a bill increase.
- Meter movement when fixtures, appliances and irrigation are off.
- Warm or damp flooring, darkened grout, loose flooring or musty odor.
- Baseboard swelling, paint changes or moisture along an interior wall bottom.
- The sound of water when no fixture is running.
Use the meter as a screening tool
GRU explains that after all water-using fixtures and appliances are off, movement of the meter's leak indicator or sweeping hand may indicate continuing flow. That check does not identify the source. Do not open a meter box in standing water or where another hazard may be present. Follow GRU's current leak-detection instructions or contact customer service.
Separate three different jobs
- Locate and stop the plumbing source. A qualified plumber determines the leak location and repair approach.
- Map affected materials. A restoration provider evaluates where water migrated into flooring, wall bottoms, cabinets or adjacent rooms.
- Dry and repair the building. The scope may include extraction, controlled removal, drying, monitoring and later reconstruction.
Ask each provider to state its role and written scope. Leak detection, plumbing repair, drying and floor replacement should not be blurred into an undocumented promise.
Flooring and wall concerns
Water may travel between a slab and flooring before it becomes visible. The response depends on the material, attachment method, duration and water source. Ask how the provider will check beneath or around tile, resilient flooring, laminate, engineered wood, carpet and baseboards without removing more material than the evidence supports.
- Request a room-by-room moisture map.
- Photograph visible changes before demolition or floor removal.
- Ask which readings establish the baseline and the drying target.
- Keep the failed component and plumbing report when appropriate.
- Record when the problem was first observed and when the source was stopped.
Insurance and leak-adjustment records
Insurance treatment depends on the cause, duration, resulting damage and policy language. Do not rely on a contractor's coverage conclusion. GRU advises retaining the leak type, start date, repair date and proof of repair for a possible leak-adjustment request. The Florida water-damage insurance guide lists general documentation questions, but the insurer makes the coverage decision.
Questions before authorizing work
- Who is diagnosing and repairing the plumbing source?
- How will the affected area be mapped and documented?
- What materials can be monitored or dried in place?
- What evidence supports any proposed demolition?
- What measurements determine that drying is complete?
- What licensing, insurance and relevant credentials apply to each provider?
For immediate safety, utility numbers and documentation steps, use the Gainesville water-emergency checklist. For general restoration pricing factors, see the cost guide.