Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES CAZ455620

SILGAN CONTAINERS MFG CORP, Modesto, CA: NPDES CAZ455620 discharge permit, effluent exceedances, inspections, penalties

SILGAN CONTAINERS MFG CORP, held by Silgan Containers Manufacturing Corporation, holds NPDES permit CAZ455620. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SILGAN CONTAINERS MFG CORP: its NPDES ID, its permit type and status, its dates, its address in Modesto, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ455620.

Identity

Facility as filedSILGAN CONTAINERS MFG CORP
Permittee as filedSilgan Containers Manufacturing Corporation
NPDES IDCAZ455620
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
AddressModesto, CA 95354
Receiving water impaired303(D) Listed
SubwatershedSalter Gulch-Tuolumne River (HUC 180400091402)
SIC4225 – General Warehousing And Storage

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ455620.

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 CAZ455620.

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, CAZ455620.

Start the watch

How often?
  • 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 CAZ455620 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The Silgan Containers Manufacturing Corporation storm water industrial permit (NPDES ID CAZ455620) is one of 27 such permits in Modesto, California, and one of 12 NPDES permits in the Salter Gulch-Tuolumne River subwatershed. Among its Modesto peers, 0.0% have a violation on file, and it carries no pollutant with a numeric limit or an effluent exceedance (both counted as 0).