State sheet · DC
Tier II reporting requirements in District of Columbia
- Deadline
- 1 March, yearly
- Takes our file
- Not via Tier II Manager / Hazconnect
- Own thresholds
- No — federal
- Fee
- None stated
- Filing route read
- 2026-09-11
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How District of Columbia takes it
The District takes Tier II through the HSEMA Online Tier II Manager, the Hazconnect system. Whoever prepares the report has to register as a new user before anything can be filed — that step catches people out in a first year, so do it before the last week of February.
District of Columbia’s own pages name no filing fee. That is not the same as the state saying there is none, so if it matters to your budget, ring them and ask.
This state does not take the file. Our answer works as the worksheet you type from, with the rule behind every number.
The filing is due 1 March each year and covers the calendar year before it. District of Columbia is its own local emergency planning committee, so filing once reaches both. It does not say whether the fire department wants its own copy — ring them and ask.
Before you send it — what else District of Columbia asks for
A new chemical has a shorter clock here. The District wants the section 311 chemical list within 60 days of first going over a threshold — the federal rule gives three months.
Does District of Columbia set its own limits?
District of Columbia's own agency says it uses the federal thresholds, and we read that page rather than assuming it. We have not gone behind it to the state code, so we say that too.
The District uses the federal thresholds unchanged. What is particular to filing there is the system, not the numbers: reports go through HSEMA’s Online Tier II Manager and whoever prepares the report has to register as a user first.
The words we read
District of Columbia HSEMA, “Hazardous Materials Reporting Requirements” (hsema.dc.gov/service/hazardous-materials-reporting-requirements), read 2026-09-10, states the thresholds in the federal terms and adds none of its own: “For any hazardous substance, the reporting threshold is 10,000 pounds. For an EPCRA Section 302 EHS the reporting threshold is 500 pounds or the Environmental Protection Agency (EPA) established TPQ for that chemical, whichever is lower.” The same page puts the annual filing on the federal date — “The Section 312 inventory is due March 1st each year and covers the materials at the facility during the preceding calendar year” — and the §311 list on the federal clock: “The Section 311 chemical list must be submitted within 60 days of the first date that the threshold for the hazardous chemical or EHS is exceeded.” No District fee appears on that page. This is the agency’s page, not the DC Municipal Regulations; we have not gone behind it to the code, so we grade it as guidance rather than codified.
HSEMA page as read 2026-09-10
Where we read this
- DC Homeland Security and Emergency Management Agency, “Hazardous Materials Reporting Requirements” (hsema.dc.gov), read 2026-09-09 and 2026-09-11: “The District of Columbia requires all Tier II reports be submitted through the HSEMA Online Tier II Manager database” and “Tier II report preparers must complete New User Registration online before submitting reports.” The page names Frederick Goldsmith at HSEMA (202-481-3169) as the contact and does not state whether a Tier2 Submit file can be uploaded, so we do not claim either way.On who gets copies, the same page: “Within the District of Columbia, the Homeland Security and Emergency Management Agency (HSEMA) functions as both the SERC and LEPC.” That settles two of the three. The page says nothing about whether the fire department with jurisdiction wants its own copy of the section 312 inventory — it names DC Fire and EMS only under emergency release notification — so we do not claim either way and tell you to ask.Checked 2026-09-11
- District of Columbia HSEMA, “Hazardous Materials Reporting Requirements” (hsema.dc.gov/service/hazardous-materials-reporting-requirements), read 2026-09-10, states the thresholds in the federal terms and adds none of its own: “For any hazardous substance, the reporting threshold is 10,000 pounds. For an EPCRA Section 302 EHS the reporting threshold is 500 pounds or the Environmental Protection Agency (EPA) established TPQ for that chemical, whichever is lower.” The same page puts the annual filing on the federal date — “The Section 312 inventory is due March 1st each year and covers the materials at the facility during the preceding calendar year” — and the §311 list on the federal clock: “The Section 311 chemical list must be submitted within 60 days of the first date that the threshold for the hazardous chemical or EHS is exceeded.” No District fee appears on that page. This is the agency’s page, not the DC Municipal Regulations; we have not gone behind it to the code, so we grade it as guidance rather than codified.State guidance — the code wins where they differ · HSEMA page as read 2026-09-10
- District of Columbia’s own Tier II pageWe can be right today and the state can change tomorrow. This link does not go stale.
If something here is wrong, the checker has a way to tell us on every answer screen. We would rather be corrected than confident.
Find out whether you have to file
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