District of Columbia

Who may prepare a stormwater plan in District of Columbia

We found no state level preparer credential for District of Columbia. On what we verified, an operator may adopt the plan without a credentialed signature. Local ordinances can still be stricter.

The answer

None found

We found no state level preparer credential for District of Columbia. On what we verified, an operator may adopt the plan without a credentialed signature. Local ordinances can still be stricter.

EPA is the permitting authority. Coverage is under EPA's 2022 CGP, permit area DCR100000. CGP Part 9.3.1 requires compliance with the District's Stormwater Management and Soil Erosion and Sediment Control regulations in Chapter 5 of Title 21 DCMR, and requires a copy of the SWPPP to be submitted to DOEE during review and approval of the DOEE Erosion and Sediment Control Plan. Authorization must also be requested from DOEE to discharge dewatering water or groundwater to the District MS4 or a surface water body. IMPORTANT: whether the separate DOEE Erosion and Sediment Control Plan requires a credentialed preparer was NOT verified, so the credential flag here is scoped to the federal SWPPP only. The 2022 CGP as modified became effective April 8, 2025 and expires February 16, 2027; confirm the successor permit near that date. Credential: the 2022 CGP imposes no SWPPP preparer credential. It does require inspections by a 'qualified person' (Part 4.1), which is an inspection credential, not a preparation credential.

No permit section cited. Confirm this with your permitting authority.

What this means for a generated plan

On what we verified, an operator may adopt a generated plan here without a credentialed signature. Local ordinances can still impose a stricter gate than state law, so check the county or municipality as well.

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State*

Activity*

Total acres disturbed*

Total land disturbance over the whole project, including staging and access. This decides whether you need a permit at all.

Acres open at any one time

Optional. If you phase the work, the most that will be disturbed at once. Leave blank if the whole site is open together. The stabilisation deadline turns on this figure, not the total.

Part of a larger common plan of development or sale

A half acre lot inside a 40 acre subdivision is covered even though the lot alone is under the threshold. This is the most commonly missed trigger in the permit.

Receiving water and site conditions(optional, but they change the inspection frequency)

Discharges to a sediment or nutrient impaired water

Discharges to a Tier 2, 2.5 or 3 water

Arid, semi arid or drought stricken area

May allow a reduced inspection frequency during the seasonally dry period.

In Indian country

EPA keeps permitting authority in Indian country even inside a state that runs its own programme.

No account, no card, nothing transmitted.

What people ask about preparing a SWPPP in District of Columbia

Do I need a qualified preparer for a SWPPP in District of Columbia?

We found no state level preparer credential for District of Columbia. On what we verified, an operator may adopt the plan without a credentialed signature. Local ordinances can still be stricter.

Does a professional engineer have to stamp the plan in District of Columbia?

Practice act citations are routinely overstated on this point. A PE stamp is not required as a general matter in most states with no preparer gate, and where we have not verified it we will not assert either answer. Confirm with the state board or the permitting authority.

Which permit governs District of Columbia SWPPP requirements in District of Columbia All jurisdictions

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