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Clean Water Act discharge permit · NPDES LAR10Q599

H12, LLC - CORNERSTONE PHASE 4, Hammond, LA: NPDES LAR10Q599 discharge permit, effluent exceedances, inspections, penalties

H12, LLC - CORNERSTONE PHASE 4 holds NPDES permit LAR10Q599. EPA’s file records it issued January 12, 2026 and expiring September 23, 2026.

H12, LLC - CORNERSTONE PHASE 4, Hammond, Louisiana: Coverage under a general permit LAR10Q599; Construction stormwater; Effective; issued January 12, 2026, term to September 23, 2026.

Louisiana holds 1,491 Construction stormwater coverages of this permit type in EPA’s file; 1,165 were issued before LAR10Q599.

Coverages issued nearest LAR10Q599

H12, LLC - CORNERSTONE PHASE 4 among its neighbors

Its county holds 155, 6 of them major permits; LAR10Q599 is a minor permit.

Other permits in the county

What the register holds for H12, LLC - CORNERSTONE PHASE 4: its NPDES ID, its permit type and status, its dates, its address in Hammond, Louisiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LAR10Q599.

Identity

Facility as filedH12, LLC - CORNERSTONE PHASE 4
Permittee as filedH12, LLC - CORNERSTONE PHASE 4
NPDES IDLAR10Q599
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 12, 2026
Expiration dateSeptember 23, 2026
AddressHammond, LA 70403

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES LAR10Q599.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES LAR10Q599.

Inspections

EPA’s inspection file holds no inspection for NPDES LAR10Q599.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES LAR10Q599.

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, LAR10Q599.

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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

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Nearby on the register

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

What this page shows

Among the 50 storm water construction permits in Tangipahoa Parish on EPA's NPDES register, this one, H12, LLC - CORNERSTONE PHASE 4, is one of them, and 84.0% of those 50 permits carry an earlier issue date than its January 12, 2026 issuance. Of those same 50 permits, 6.0% have a violation on file, and this permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.