# District of Columbia — US state hazardous waste generator annual fees by category For District of Columbia, generator category is TSD Facility; annual fee is $2,500; fee basis is flat annual; due date is March 1; legal citation is 20 DCMR 4390, recorded from its source on 2026-08-14. - **State:** District of Columbia _(verified: appears in the quote below)_ - **Generator Category:** TSD Facility - **Annual Fee:** $2,500 _(verified: appears in the quote below)_ - **Fee Basis:** flat annual _(our reading, not quoted from the source)_ - **Due Date:** March 1 _(verified: appears in the quote below)_ - **Legal Citation:** 20 DCMR 4390 _(verified: appears in the quote below)_ ## What the source says > Treatment, Storage and Disposal Facility (TSDF): $2,500 ## Source - https://doee.dc.gov/service/hazardous-waste-annual-fee-and-self-certification Last verified: 2026-08-14. Review by: 2027-08-14. Part of [US state hazardous waste generator annual fees by category](https://referencesource.org/hazardous-waste-generator-fees-by-state/).