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Clean Water Act discharge permit · NPDES CAZ465344

OSO LIBRE RANCH INC, Paso Robles, CA: NPDES CAZ465344 discharge permit, effluent exceedances, inspections, penalties

OSO LIBRE RANCH INC, held by Oso Libre Ranch Inc, holds NPDES permit CAZ465344. EPA’s file records it issued October 28, 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 OSO LIBRE RANCH INC: its NPDES ID, its permit type and status, its dates, its address in Paso Robles, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ465344.

Identity

Facility as filedOSO LIBRE RANCH INC
Permittee as filedOso Libre Ranch Inc
NPDES IDCAZ465344
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
IssuedOctober 28, 2015
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressPaso Robles, CA 93446
SubwatershedPaso Robles Creek (HUC 180600050402)

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 CAZ465344.

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 CAZ465344.

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.

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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 CAZ465344 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit CAZ465344, held by OSO LIBRE RANCH INC in Paso Robles, CA, which was administratively continued with a minor discharger class and an issue date of October 28, 2015. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it records no effluent or single-event violations for this permit.