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Clean Water Act discharge permit · NPDES LAR10N907

D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES, Walker, LA: NPDES LAR10N907 discharge permit, effluent exceedances, inspections, penalties

D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES holds NPDES permit LAR10N907. EPA’s file records it issued August 5, 2020 and expiring May 11, 2021.

D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES, Walker, Louisiana: Coverage under a general permit LAR10N907; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued August 5, 2020, term to May 11, 2021.

Louisiana holds 1,491 Construction stormwater coverages of this permit type in EPA’s file; 578 were issued before LAR10N907.

Coverages issued nearest LAR10N907

D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES among its neighbors

Its county holds 141, 5 of them major permits; LAR10N907 is a minor permit.

Other permits in the county

What the register holds for D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES: its NPDES ID, its permit type and status, its dates, its address in Walker, Louisiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LAR10N907.

Identity

Facility as filedD.R. HORTON, INC. - GULF COAST: ISABELLA LAKES
Permittee as filedD.R. HORTON, INC. - GULF COAST: ISABELLA LAKES
NPDES IDLAR10N907
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
ProgramConstruction stormwater
IssuedAugust 5, 2020
Expiration dateMay 11, 2021
AddressWalker, LA 70000

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES LAR10N907.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES LAR10N907.

Inspections

EPA’s inspection file holds no inspection for NPDES LAR10N907.

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 LAR10N907.

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, LAR10N907.

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Nearby on the register

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

What this page shows

The D.R. HORTON, INC. - GULF COAST: ISABELLA LAKES permit is one of 76 storm water construction permits on EPA's NPDES register in Livingston Parish, this one included. Among those 76 permits, 2.6% have a violation on file, and 32.9% carry an earlier issue date than this one. This permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.