Clean Water Act discharge permit · NPDES HI21BG488
HNL T-HANGAR 420-121 AND 421-132, HI: NPDES HI21BG488 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HNL T-HANGAR 420-121 AND 421-132, held by Federal Bureau of Investigation, holds NPDES permit HI21BG488. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026. 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 HNL T-HANGAR 420-121 AND 421-132: its NPDES ID, its permit type and status, its dates, its address, Hawaii. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HI21BG488.
Identity
| Facility as filed | HNL T-HANGAR 420-121 AND 421-132 |
|---|---|
| Permittee as filed | Federal Bureau of Investigation |
| NPDES ID | HI21BG488 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | October 1, 2021 |
| Expiration date | September 30, 2026 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | HI |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Moanalua Stream (HUC 200600000305) |
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 HI21BG488.
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 HI21BG488.
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, HI21BG488.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 HI21BG488 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.