Basinwise

Determine which NPDES stormwater permit governs a construction or industrial site, and what that permit requires of it. Returns coverage ("required", "not_required" or "verify") with the reason, the governing permit and the version the answer was computed against, the jurisdiction and its permitting

The requirements for a site: inspection frequency, stabilisation deadlines, Notice of Intent and Notice of Termination deadlines, corrective-action windows, record retention and buffer rules, each citing the permit section it came from. Same engine and same parser as determine_permit, projected down

Whether a state requires a credentialed preparer (California's Qualified SWPPP Developer, and the analogous credential elsewhere) to prepare or sign a stormwater pollution prevention plan, and whether that requirement bites for a site of this size. This is the answer that decides whether a generated

Every state, territory and DC we hold a row for: NPDES authorisation status, the governing permit and its number, the agency name and URL, and the preparer-credential gate. Jurisdictions we have NOT verified are listed with confidence "unverified" and a note naming the agency to confirm with, rather

What the credential on this connection is allowed to do: the tier it resolves to (anonymous, sandbox, test key, or a live key on a plan), the per-minute burst, the daily or monthly allowance, and whether calls bill. Call it once at the start of a long task to pace yourself, rather than discovering t