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State Compliance Reference

Wyoming SWPPP Compliance

Quick Facts for Wyoming

  • Authority: Wyoming DEQ (WY)
  • Permit: Large Construction General Permit
  • Inspection Schedule: Every 14 days + within 24h of 0.25" rain
  • Rain Trigger: 0.25 inches
This page is a field reference, not legal advice. Confirm the current permit, local requirements, and project-specific conditions with Wyoming DEQ before relying on a deadline or inspection schedule.

Regulation Overview

Permitting Authority

Wyoming DEQ

Official Permit

Large Construction General Permit

Inspection Frequency

Every 14 days + within 24h of 0.25" rain

Rain Event Trigger

Inspection Requirements for Wyoming

Construction projects that disturb one or more acres—or smaller sites that are part of a larger common plan—commonly require stormwater permit coverage in Wyoming. Eligibility, exemptions, local approvals, and project-specific conditions vary, so confirm coverage under the Large Construction General Permit before construction begins.

Operational Insight

A 14-day schedule may be paired with an event-driven inspection requirement. Track both the recurring deadline and qualifying weather events so one schedule does not obscure the other.

Specific State Nuance

Self-monitoring inspections are standard.

Common BMPs Checked in Wyoming

Continue your field review

Check common controls in the BMP field guide, then compare them with your approved SWPPP.

Regulatory Filing

File Notice of Intent (NOI)

Agency Contact

Why Go Digital?

Handwritten logs are hard to read and easy to lose. Digital reports provide a timestamped, geo-tagged audit trail that protects your business.

"The best defense against an EPA audit is a perfect paper trail."