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Clean Water Act discharge permit · NPDES ALG120378

HIGH-PURITY SILICON AMERICA CORPORATION, Theodore, AL: NPDES ALG120378 discharge permit, effluent exceedances, inspections, penalties

HIGH-PURITY SILICON AMERICA CORPORATION, held by Mitsubishi Polycrystalline Silicon America Corporation, holds NPDES permit ALG120378. EPA’s file records it issued March 1, 2023 and expiring September 30, 2027. 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 HIGH-PURITY SILICON AMERICA CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Theodore, Alabama. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALG120378.

Identity

Facility as filedHIGH-PURITY SILICON AMERICA CORPORATION
Permittee as filedMitsubishi Polycrystalline Silicon America Corporation
NPDES IDALG120378
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMarch 1, 2023
Expiration dateSeptember 30, 2027
Issuing agencyState
AddressTheodore, AL 36582
SubwatershedDeer River (HUC 031602050105)
NAICS331410 – Nonferrous Metal [except Aluminum] Smelting and Refining
SIC3339 – Primary Nonferrous Metals
Other EPA IDs (FRS)RCRA handler ALR000008110; ICIS-AIR source AL0000000109708019

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ALG120378.

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 ALG120378.

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, ALG120378.

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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 ALG120378 there.

Nearby on the register

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

What this page shows

Among 253 storm water industrial permits in Mobile County, 89.7% carry an earlier issue date than HIGH-PURITY SILICON AMERICA CORPORATION. Mobile County shows a violation on file for 69.6% of those 253 permits, and the Deer River subwatershed holds 57 NPDES permits.