Clean Water Act discharge permit · NPDES 09R10I01A
P2301 HSC-25 HANGAR COMPLEX, Andersen Air Force Base, GU: NPDES 09R10I01A discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
P2301 HSC-25 HANGAR COMPLEX, held by Environmental Chemical Corporation, holds NPDES permit 09R10I01A. EPA’s file records it issued February 3, 2026 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 P2301 HSC-25 HANGAR COMPLEX: its NPDES ID, its permit type and status, its dates, its address in Andersen Air Force Base, Guam. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES 09R10I01A.
Identity
| Facility as filed | P2301 HSC-25 HANGAR COMPLEX |
|---|---|
| Permittee as filed | Environmental Chemical Corporation |
| NPDES ID | 09R10I01A |
| 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 | February 3, 2026 |
| Expiration date | February 16, 2027 |
| Issuing agency | U.S. EPA |
| Address | Andersen Air Force Base, 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 09R10I01A.
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 09R10I01A.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 09R10I01A there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.