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Clean Water Act discharge permit · NPDES HIF014544

MAKAKILO LOWER QUARRY MASS GRADING, HI: NPDES HIF014544 discharge permit, effluent exceedances, inspections, penalties

MAKAKILO LOWER QUARRY MASS GRADING, held by Nan, Inc., holds NPDES permit HIF014544. EPA’s file records it issued October 14, 2024 and expiring January 28, 2029. 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 MAKAKILO LOWER QUARRY MASS GRADING: 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 HIF014544.

Identity

Facility as filedMAKAKILO LOWER QUARRY MASS GRADING
Permittee as filedNan, Inc.
NPDES IDHIF014544
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 14, 2024
Expiration dateJanuary 28, 2029
Issuing agencyHawaii Dept of Health, Clean Water Branch
AddressHI
SubwatershedKaloi Gulch (HUC 200600000405)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES HIF014544.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES HIF014544.

Inspections

EPA’s inspection file holds no inspection for NPDES HIF014544.

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 HIF014544.

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, HIF014544.

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How often?
  • One permit holder — $99/month
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  • One state — $4,990/year
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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 HIF014544 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The 267 general permit coverages in Hawaii County show 0.0% with a violation on file. MAKAKILO LOWER QUARRY MASS GRADING sits in the Kaloi Gulch subwatershed (HUC 200600000405), which contains 184 NPDES permits including this permit.