Data Retention Policy

echology, Inc. | Version 1.0 | March 2026

Lead and Contact Data

Data Type Retention Period Deletion Trigger
Inbound leads (contact forms) 90 days Automatic expiration
Client contact information Engagement + 12 months Manual deletion on request
Communication logs Engagement + 12 months Deleted with client record

Processed Documents

Data Type Retention Period Deletion Trigger
Source documents (uploaded) Until client requests deletion Client deletion request
Classification outputs Until client requests deletion Deleted with source document
Vector embeddings Until client requests deletion Regenerable from source; deleted on request

Operational Data

Data Type Retention Period
Database backups 30 days rolling
Application logs 30 days
Health check data 7 days

Deletion Procedures

When you request deletion, we follow a documented procedure:

  1. Identify all data associated with your engagement
  2. Delete source documents from local filesystem
  3. Delete all database records for the engagement
  4. Delete vector embeddings
  5. Purge from rolling backups within 30 days
  6. Provide written confirmation of deletion

Live data deletion: within 5 business days. Backup purge: within 30 days.

Data Location

No data is stored in cloud services, third-party databases, or external storage systems. All processing and storage occurs on hardware under your control or ours.

For data deletion requests or retention questions: hello@echology.io

Effective March 2026. Next scheduled review: March 2027.