Clean Water Act discharge permit · NPDES HIF010381
COUNTY OF MAUI SMALL MS4, Wailuku, HI: NPDES HIF010381 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
COUNTY OF MAUI SMALL MS4, held by County of Maui, holds NPDES permit HIF010381. EPA’s file records it issued April 29, 2014 and expiring December 5, 2016. 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 COUNTY OF MAUI SMALL MS4: its NPDES ID, its permit type and status, its dates, its address in Wailuku, Hawaii. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HIF010381.
Identity
| Facility as filed | COUNTY OF MAUI SMALL MS4 |
|---|---|
| Permittee as filed | County of Maui |
| NPDES ID | HIF010381 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Small municipal storm sewer systems |
| Issued | April 29, 2014 |
| Expiration date | December 5, 2016 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Wailuku, HI 96793 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Iao Stream (HUC 200200000103) |
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 HIF010381.
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 HIF010381.
Inspections
EPA’s inspection file holds no inspection for NPDES HIF010381.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES HIF010381.
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, HIF010381.
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 HIF010381 there.
Nearby on the register
- Discharge permits in Wailuku
- Every permit record in Wailuku, A to Z
- Discharge permits in Hawaii
- Every permit record in Hawaii, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.