Clean Water Act discharge permit · NPDES 09R10I00C
MASS GRADING OF LOT 7092-3, YIGO, GU., Yigo, GU: NPDES 09R10I00C discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MASS GRADING OF LOT 7092-3, YIGO, GU., held by Hawaiian Rock Products, holds NPDES permit 09R10I00C. EPA’s file records it issued August 22, 2025 and expiring February 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for MASS GRADING OF LOT 7092-3, YIGO, GU.: 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 09R10I00C.
Identity
| Facility as filed | MASS GRADING OF LOT 7092-3, YIGO, GU. |
|---|---|
| Permittee as filed | Hawaiian Rock Products |
| NPDES ID | 09R10I00C |
| 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 | August 22, 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 09R10I00C.
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 09R10I00C.
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.
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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 09R10I00C 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 14, 2026.