Compare Regulations
Compare state-level permit requirements side-by-side (up to 4 states)
OR(3 more)
Rows with an amber indicator differ across selected states.
| Field | OR Oregon |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | Oregon Department of Environmental Quality (Oregon DEQ) |
| Permit Name | NPDES/WPCF General Permit for Stormwater Discharges from Construction Activities (1200-C) |
| Construction Threshold | ≥ 1 acre of land disturbance, or < 1 acre if part of a larger common plan of development or sale that will ultimately disturb ≥ 1 acre; projects < 1 acre not part of a common plan are generally exempt from 1200-C |
| NOI Lead Time | A Notice of Intent (NOI) must be submitted to Oregon DEQ and permit coverage confirmed at least 7 days before land disturbance begins; projects with high erosion potential in sensitive basins may require earlier submission |
| Application Method | Online via Oregon DEQ's online permit portal (Oregon DEQ Permit Portal / ePermitting system); paper NOI also accepted by mail |
| Permit Fee | $200 for sites < 5 acres; $400 for 5–19.99 acres; $600 for 20–49.99 acres; $800 for ≥ 50 acres; fees are one-time and based on project disturbance area |
| SWPPP Required | Yes |
| PE Certification Required | No |
| SWPPP Template Available | Yes |
| Inspection Frequency | Every 7 days during the wet season (October 1 through April 30) and within 48 hours of a storm event producing ≥ 0.5 inches of rainfall; every 14 days during the dry season (May 1 through September 30) and within 48 hours of a qualifying storm event. Inspection frequency may be reduced for stabilized areas. |
| Rain Inspection Trigger | Within 48 hours of a storm event producing ≥ 0.5 inches of precipitation, OR any storm event that causes a discharge from the site; wet-season (Oct–Apr) inspections required every 7 days |
| Inspector Qualification | No mandatory state certification under 1200-C; inspections must be conducted by a 'qualified person' knowledgeable in BMPs and the ESCP. However, for projects ≥ 5 acres, the responsible party for ESCP preparation must be a licensed PE, licensed landscape architect, or Certified Professional in Erosion and Sediment Control (CPESC). Inspector training and familiarity with the permit requirements are expected. |
| Inspector Certifications | CESCL (Certified Erosion and Sediment Control Lead) or Oregon-specific CESCL REQUIRED; meets 1200-C Erosion and Sediment Control Inspector (ESCI) requirement; WA CESCL (BMP C160) also accepted |
| Post-Construction Required | Yes |
| Turbidity Standard | Discharges must not cause or contribute to violations of Oregon water quality standards; no single numeric NTU effluent limit in 1200-C, but discharges to 303(d)-listed turbidity-impaired waters require enhanced BMPs |