Clean Water Act discharge permit · NPDES GU0020036
CABRAS TERMINAL (AREA A & C TANK FARM), Piti, GU: NPDES GU0020036 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CABRAS TERMINAL (AREA A & C TANK FARM), held by MOBIL OIL GUAM, INC., holds NPDES permit GU0020036, which discharges to Apra Harbor. EPA’s file records it issued September 28, 2006 and expiring October 30, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CABRAS TERMINAL (AREA A & C TANK FARM) |
|---|---|
| Permittee as filed | MOBIL OIL GUAM, INC. |
| NPDES ID | GU0020036 |
| 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 | September 28, 2006 |
| Expiration date | October 30, 2011 |
| Address | Piti, GU 96925 |
| Receiving water | APRA HARBOR |
| SIC | 5171 – Petroleum Bulk Stations & Terminals |
| Other EPA IDs (FRS) | RCRA handler GUC000711042; ICIS-AIR source GU0000006601000019 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 8Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| pH | 4 | 62 | 7 | December 31, 2018 | |
| Benzene | 2 | 2 | 1 | June 30, 2011 | 830% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 29 | 0 | ||
| Toluene | 2 | 2 | 0 | ||
| Ethylbenzene | 2 | 2 | 0 | ||
| trans-1,2-Dichloroethylene | 0 | 2 | 0 | ||
| Solids, total suspended | 0 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 1 | 0 | ||
| Zinc, total recoverable | 0 | 1 | 0 | ||
| Tetrachloroethylene | 0 | 1 | 0 | ||
| 1,1-Dichloroethylene | 0 | 1 | 0 | ||
| 2,4-Dichlorophenol | 0 | 1 | 0 | ||
| Trichloroethylene | 0 | 1 | 0 | ||
| Oil & grease, total recoverable | 0 | 1 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Oil and grease | 2 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES GU0020036.
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, GU0020036.
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 GU0020036 there.
Nearby on the register
- Discharge permits in Piti
- Every permit record in Piti, A to Z
- Discharge permits in Guam
- Every permit record in Guam, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.