Clean Water Act discharge permit · NPDES TX0092827
BIG HILL STRATEGIC PETROLEUM RESERVE, Winnie, TX: NPDES TX0092827 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 25Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
BIG HILL STRATEGIC PETROLEUM RESERVE, held by US DEPARTMENT OF ENERGY, holds NPDES permit TX0092827. EPA’s file records it issued December 13, 2019 and expiring January 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BIG HILL STRATEGIC PETROLEUM RESERVE |
|---|---|
| Permittee as filed | US DEPARTMENT OF ENERGY |
| NPDES ID | TX0092827 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | December 13, 2019 |
| Expiration date | January 31, 2024 |
| Address | Winnie, TX 77665 |
| Subwatershed | Salt Bayou (HUC 120402010300) |
| Other EPA IDs (FRS) | RCRA handler TX3890336180; ICIS-AIR source TX0000004824500097 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 27Pollutants on file
- 25Under a numeric limit
- 25With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Salinity | 8 | 113 | 6 | June 30, 2014 | 148% over the limit |
| Density | 4 | 6 | 6 | December 31, 2024 | 2% over the limit |
| pH | 26 | 469 | 3 | February 28, 2023 | |
| BOD, 5-day, 20 deg. C | 4 | 66 | 2 | July 31, 2004 | 99,999% over the limit |
| Solids, total suspended | 12 | 257 | 1 | May 31, 2023 | 20% over the limit |
| Oil & Grease | 9 | 170 | 1 | March 31, 2008 | 22% over the limit |
| Velocity of discharge | 6 | 50 | 1 | February 28, 2013 | 0% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 312 | 0 | ||
| Carbon, tot organic [TOC] | 5 | 105 | 0 | ||
| Solids, total dissolved | 0 | 62 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 50 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Menidia | 2 | 48 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 48 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 48 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 48 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Menidia menidia | 2 | 48 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 28 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 28 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 28 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 28 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 28 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 12 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 12 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 12 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 12 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 24, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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, TX0092827.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0092827 there.
Nearby on the register
- Discharge permits in Winnie
- Every permit record in Winnie, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.