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Clean Water Act discharge permit · NPDES CAZ417248

MOULTON NIGUEL WATER DISTRICT, Laguna Hills, CA: NPDES CAZ417248 discharge permit, effluent exceedances, inspections, penalties

MOULTON NIGUEL WATER DISTRICT, held by Moulton Niguel Water District, holds NPDES permit CAZ417248. EPA’s file records it issued July 1, 2015 and expiring June 30, 2020. 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 MOULTON NIGUEL WATER DISTRICT: its NPDES ID, its permit type and status, its dates, its address in Laguna Hills, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ417248.

Identity

Facility as filedMOULTON NIGUEL WATER DISTRICT
Permittee as filedMoulton Niguel Water District
NPDES IDCAZ417248
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJuly 1, 2015
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressLaguna Hills, CA 92653
SubwatershedAliso Creek (HUC 180703010301)

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 CAZ417248.

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 CAZ417248.

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, CAZ417248.

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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 CAZ417248 there.

Nearby on the register

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

What this page shows

1 storm water industrial permit on EPA's NPDES register is in Laguna Hills, and MOULTON NIGUEL WATER DISTRICT holds it. Counting MOULTON NIGUEL WATER DISTRICT, 10 NPDES permits sit in the Aliso Creek subwatershed.