Clean Water Act discharge permit · NPDES LA0104973
PEARCE FOUNDRY, INC, Prairieville, LA: NPDES LA0104973 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PEARCE FOUNDRY, INC, held by THE PEARCE GROUP, holds NPDES permit LA0104973, which discharges to Muddy Creek To Bayou Manchac. EPA’s file records it issued September 29, 2016 and expiring October 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PEARCE FOUNDRY, INC |
|---|---|
| Permittee as filed | THE PEARCE GROUP |
| NPDES ID | LA0104973 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 29, 2016 |
| Expiration date | October 31, 2021 |
| Address | Prairieville, LA 70769 |
| Receiving water | MUDDY CREEK TO BAYOU MANCHAC |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Fountain-Bayou Manchac (HUC 080702020804) |
| Other EPA IDs (FRS) | RCRA handler LAR000066050; ICIS-AIR source LA0000002200500025 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 10Under a numeric limit
- 11With a violation of any kind
- 5With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 16 | 21 | 12 | December 31, 2023 | 310% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 16 | 12 | 6 | June 30, 2024 | 200% over the limit |
| Coliform, fecal general | 12 | 17 | 5 | December 31, 2020 | 99,999% over the limit |
| Solids, total suspended | 12 | 15 | 5 | December 31, 2018 | 113% over the limit |
| Oxygen, dissolved [DO] | 8 | 6 | 2 | June 30, 2022 | 4% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 33 | 0 | ||
| pH | 14 | 28 | 0 | ||
| Nitrogen, total [as N] | 12 | 9 | 0 | ||
| Phosphorus, total [as P] | 12 | 9 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 9 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 |
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 8, 2017 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
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, LA0104973.
Start the watch
- 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 LA0104973 there.
Nearby on the register
- Discharge permits in Prairieville
- Every permit record in Prairieville, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.