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Clean Water Act discharge permit · NPDES CAZ467670

ROBERT KEENAN WINERY, Saint Helena, CA: NPDES CAZ467670 discharge permit, effluent exceedances, inspections, penalties

ROBERT KEENAN WINERY, held by Robert Keenan Winery, holds NPDES permit CAZ467670. EPA’s file records it issued January 19, 2016 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 ROBERT KEENAN WINERY: its NPDES ID, its permit type and status, its dates, its address in Saint Helena, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ467670.

Identity

Facility as filedROBERT KEENAN WINERY
Permittee as filedRobert Keenan Winery
NPDES IDCAZ467670
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
IssuedJanuary 19, 2016
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressSaint Helena, CA 94574
SubwatershedMiddle Napa River (HUC 180500020202)

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 CAZ467670.

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 CAZ467670.

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 CAZ467670 there.

Nearby on the register

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

What this page shows

The ROBERT KEENAN WINERY permit is one of 7 storm water industrial permits on EPA's NPDES register in Saint Helena, and 14.3% of those 7 carry a violation on file. Among the 12 NPDES permits in the Middle Napa River subwatershed, this one is included, and it has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. Of all 7 storm water industrial permits in Saint Helena, 57.1% were issued earlier than this one, which was issued January 19, 2016.