DC 311 Methods & Rates.
How requests are submitted
Channel families — enriched sample (selected year)
Raw source values
Exact source field (selected year)
Origin (system of record)
origin field
Channel mix over time (weekly)
Selected year. Weekly share by channel. Hatched bars = weeks with insufficient samples (n<120)
Submission rate — volume by year
All requests, full bulk dataset 2009–2026 (2026 partial — through mid-June)
Submission rate — monthly volume (2026)
Requests created per month this year
Method by service type
Source mix for the top service categories (selected year)
Time of day
When requests come in — DC local time. Grey envelope = all requests (exact, from bulk); channel lines shown for cleanly-sampled years