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PermitBird

Free screening, both regimes

Screen a site against the permits that govern it

No account, no card, and no request. Both engines that answer this are the same ones behind the API and the paid product, and they run in this tab, so your location, acreage and dates are never transmitted.

Only need one regime? Stormwater only · Section 404 only

Screen your site

Runs in your browser

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

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.

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)

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

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

No account, no card, nothing transmitted.

1

Enter the site

State, activity, and the acreage the project will disturb. Say whether it is part of a larger common plan of development or sale, which is the trigger most people miss.

2

Add what you know about the receiving water

Whether the site discharges to a sediment or nutrient impaired water, or a Tier 2, 2.5 or 3 water. If you have not checked, leave it as not checked and the answer will say so rather than assume.

3

Read the determination

The coverage verdict, the governing permit, the requirements with the permit section behind each one, the eligibility screens and the credential gate, plus the full derivation so every conclusion shows its reasoning.

We do not perform site inspections

The permit requires a physical inspection by a qualified person on a schedule, and that person has to be standing on the site. We generate the plan and maintain the inspection record. We are a compliance documentation engine, not compliance.

In credential gated states our document is a draft

Where a state requires a credentialed preparer, what we generate is a complete draft for that person to review, amend and sign. It is not by itself a filed plan, and it says so on the document. We would rather lose the sale than have you file something that is not valid in your state.

An unread jurisdiction reads as unread

Where we have not read a state's permit we do not print a plausible number. The page says not verified, names the agency and links it. We never infer a requirement we did not read in a permit, and an honest gap always beats a confident guess.

PermitBird reports publicly published permit rules and cites the source and effective date behind each one. It is not legal or engineering advice and it is not a permit. Section 404 determinations do not replace a jurisdictional determination or a pre-construction notification filed with the district. We do not perform wetland delineations. We do not perform the physical site inspections a stormwater permit requires; we generate the plan and keep the record. Where a jurisdiction requires a credentialed preparer, the document we generate is a draft for that person to review and sign. Always confirm against your permitting authority's current rules before you break ground.

What the dataset covers, and what it does not

91 FR 768 · effective 2026-03-15

Also affecting a wetland, stream or other water of the United States?

A separate determination against all 57 nationwide permits under Clean Water Act Section 404. Change a number and the verdict updates with the rule that produced it.

Permits compiled
57 of 57
every one sourced to the final rule
Carrying acreage limits
20
the rest state no acreage cap
District conditions
2 of 38
not yet compiled, and we say so
State 401 certifications
4 of 54
not yet compiled, and we say so

Your project

Everything runs in this browser. Nothing is sent to a server.

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Screening only. Only a Corps district can confirm that a nationwide permit authorises your project.

Live preview

Nationwide permit, notification required

A nationwide permit looks available, but you must file a pre-construction notification before you build.

Computed against the 2026 nationwide permits, effective 2026-03-15.

Pre-construction notification

Required. The district engineer has 45 calendar days to review a complete notification.

Permits screened (3)

NWP 14: Linear Transportation ProjectsWithin limits
NWP 3: MaintenanceNot determinable
NWP 18: Minor DischargesExceeds limits

Sacramento District

Regional conditions are not compiled. This determination covers the federal layer only.

District regulatory office

California Section 401

Section 401 conditions are compiled and applied above.

What we hold for this state

What this determination does not cover

  • The mapping from "Road, highway or railway crossing" to candidate permits is unverified. Confirm the permit selection against the permit text.
  • Impact limits are not yet transcribed for NWP 3.
  • Regional conditions for the Sacramento District are not compiled. They can narrow or remove a nationwide permit, so confirm them with the district before relying on this.
Read the full coverage matrix

Sources

Project impact entered: 0.35 acres permanent loss, 120 linear feet of stream bed.

Open this determination on its own page

Screening answers the question. The permit makes you keep the record.

A covered operator must hold a written site specific plan and retain the inspection and corrective action log for years. That is the paid product. Section 404 screening stays free and keyless forever.

See pricingPermits by state