Velarion Records

Clean Water Act discharge permit · NPDES CAL010528

HELENDALE SILVERLAKES STP, Helendale, CA: NPDES CAL010528 discharge permit, effluent exceedances, inspections, penalties

HELENDALE SILVERLAKES STP, held by Helendale Silverlakes STP, holds NPDES permit CAL010528. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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 HELENDALE SILVERLAKES STP: its NPDES ID, its permit type and status, its dates, its address in Helendale, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAL010528.

Identity

Facility as filedHELENDALE SILVERLAKES STP
Permittee as filedHelendale Silverlakes STP
NPDES IDCAL010528
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressHelendale, CA 92342
SubwatershedNorth Lake-Mojave River (HUC 180902080905)
SIC4952 – Sewerage Systems

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 CAL010528.

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 CAL010528.

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, CAL010528.

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  • 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 CAL010528 there.

Nearby on the register

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

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