Planner or calculator questions
If something appears wrong in a calculation, include the exact inputs you entered, the unit system and the page/tool name. A copied project summary is usually more useful than a screenshot alone. Do not send passwords, government identifiers or sensitive property records.
Editorial corrections
If you find a technical statement or source link that appears outdated or incorrect, send the page URL, the sentence in question and—when possible—a primary or official source supporting the correction.
Privacy and legal matters
Use legal@wrivel.com for privacy requests, formal notices and legal questions. The publisher identity is listed in the Legal notice.
What Wrivel cannot do by email
Wrivel does not remotely certify a property, approve excavation, verify a buried utility, determine a legal discharge right or replace an on-site engineer, contractor, surveyor or authority. For immediate flooding, structural or safety risks, contact the appropriate local service or professional.
Useful links before contacting us
Methodology explains the formulas and assumptions. Sources lists technical references. The field checklist shows which measurements are most useful before asking a site-specific question.