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Clean Water Act discharge permit · NPDES LA0117927

TALLOW CREEK SUBDIVISION STP, Covington, LA: NPDES LA0117927 discharge permit, effluent exceedances, inspections, penalties

TALLOW CREEK SUBDIVISION STP, held by ST. TAMMANY PARISH GOVERNMENT/TAMMANY UTILITIES, holds NPDES permit LA0117927. EPA’s file records it issued March 1, 2017 and expiring March 31, 2022.

TALLOW CREEK SUBDIVISION STP, Covington, Louisiana: Individual permit LA0117927, held by ST. TAMMANY PARISH GOVERNMENT/TAMMANY UTILITIES; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued March 1, 2017, term to March 31, 2022.

  • BOD, carbonaceous [5 day, 20 C]: 3 limits, 40 violations of any kind, 4 effluent exceedances, latest February 28, 2026, largest 2,066,567% over the limit.
  • Coliform, fecal general: 2 limits, 28 violations of any kind, 4 effluent exceedances, latest October 31, 2024, largest 145% over the limit.
  • Solids, total suspended: 3 limits, 39 violations of any kind, 3 effluent exceedances, latest July 31, 2023, largest 52% over the limit.
  • Nitrogen, ammonia total [as N]: 3 limits, 39 violations of any kind, 3 effluent exceedances, latest May 31, 2025, largest 80% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 31 violations of any kind, 0 effluent exceedances.
  • pH: 2 limits, 24 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.

Louisiana holds 357 Publicly owned treatment works coverages of this permit type in EPA’s file; 145 were issued before LA0117927.

Coverages issued nearest LA0117927

TALLOW CREEK SUBDIVISION STP among its neighbors

EPA’s permit file holds 31 discharge permits in the Soap and Tallow Branch-Tchefuncta River subwatershed (HUC 080902010204), LA0117927 among them. Its county holds 317, 12 of them major permits; LA0117927 is a minor permit.

Other permits in the Soap and Tallow Branch-Tchefuncta River subwatershed (HUC 080902010204)

Identity

Facility as filedTALLOW CREEK SUBDIVISION STP
Permittee as filedST. TAMMANY PARISH GOVERNMENT/TAMMANY UTILITIES
NPDES IDLA0117927
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 1, 2017
Expiration dateMarch 31, 2022
AddressCovington, LA 70433
SubwatershedSoap and Tallow Branch-Tchefuncta River (HUC 080902010204)

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, carbonaceous [5 day, 20 C]3404February 28, 20262,066,567% over the limit
Coliform, fecal general2284October 31, 2024145% over the limit
Solids, total suspended3393July 31, 202352% over the limit
Nitrogen, ammonia total [as N]3393May 31, 202580% over the limit
Flow, in conduit or thru treatment plant2310
pH2240
Nitrogen, total [as N]300
Phosphorus, total [as P]300

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0117927.

Inspections

EPA’s inspection file holds no inspection for NPDES LA0117927.

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 LA0117927.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit LA0117927 for the TALLOW CREEK SUBDIVISION STP in Covington, LA, held by ST. TAMMANY PARISH GOVERNMENT/TAMMANY UTILITIES, with an administratively continued status and an expiration date of March 31, 2022. The facts list 8 pollutants on file, 6 under a numeric limit, and 4 with an effluent exceedance.