Clean Water Act discharge permit · NPDES OR0034037
BLACK BUTTE RANCH, Sisters, OR: NPDES OR0034037 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
BLACK BUTTE RANCH, held by BLACK BUTTE RANCH CORPORATION, holds NPDES permit OR0034037, which discharges to Indian Ford Creek. EPA’s file records it issued October 21, 2015 and expiring September 30, 2020.
Identity
| Facility as filed | BLACK BUTTE RANCH |
|---|---|
| Permittee as filed | BLACK BUTTE RANCH CORPORATION |
| NPDES ID | OR0034037 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 21, 2015 |
| Expiration date | September 30, 2020 |
| Address | Sisters, OR 97759 |
| Receiving water | INDIAN FORD CREEK |
| Subwatershed | Cache Creek (HUC 170703010902) |
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 13With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 5 | 20 | 6 | January 31, 2025 | 173% over the limit |
| Chlorine, total residual | 3 | 6 | 1 | February 28, 2019 | 20% over the limit |
| Solids, total suspended | 6 | 43 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 42 | 0 | ||
| E. coli | 4 | 24 | 0 | ||
| Temperature, water deg. centigrade | 5 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 14 | 0 | ||
| pH | 6 | 9 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 5 | 0 | ||
| BOD, 5-day, percent removal | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 2 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 1 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 3 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 |
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 1, 2025 | Failure to provide complete and accurate information (not related to annual report) | ST6 |
| November 1, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES OR0034037.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| May 22, 2026 | Letter of Violation/ Warning Letter | State |
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OR0034037.
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.