Clean Water Act discharge permit · NPDES GUR10007W
TREVISTA SUBDIVISION LOT 4-R1NEW TRACT 154 YIGO, GUAM 96929, Yigo, GU: NPDES GUR10007W discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TREVISTA SUBDIVISION LOT 4-R1NEW TRACT 154 YIGO, GUAM 96929, held by Ian Corporation, holds NPDES permit GUR10007W. EPA’s file records it issued March 4, 2025 and expiring February 16, 2027. 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.
What the register holds for TREVISTA SUBDIVISION LOT 4-R1NEW TRACT 154 YIGO, GUAM 96929: its NPDES ID, its permit type and status, its dates, its address in Yigo, Guam. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES GUR10007W.
Identity
| Facility as filed | TREVISTA SUBDIVISION LOT 4-R1NEW TRACT 154 YIGO, GUAM 96929 |
|---|---|
| Permittee as filed | Ian Corporation |
| NPDES ID | GUR10007W |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | March 4, 2025 |
| Expiration date | February 16, 2027 |
| Issuing agency | U.S. EPA |
| Address | Yigo, GU 96929 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mataguac Spring-Frontal Pacific Ocean (HUC 220100000100) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES GUR10007W.
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 GUR10007W.
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, GUR10007W.
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 GUR10007W there.
Nearby on the register
- Discharge permits in Yigo
- Every permit record in Yigo, A to Z
- Discharge permits in Guam
- Every permit record in Guam, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.