Clean Water Act discharge permit · NPDES MSP092408
CALGON CARBON CORPORATION, Bay Saint Louis, MS: NPDES MSP092408 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CALGON CARBON CORPORATION holds NPDES permit MSP092408. EPA’s file records it issued January 2, 2019 and expiring December 31, 2023. 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 | CALGON CARBON CORPORATION |
|---|---|
| Permittee as filed | CALGON CARBON CORPORATION |
| NPDES ID | MSP092408 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 2, 2019 |
| Expiration date | December 31, 2023 |
| Issuing agency | MDEQ |
| Address | Bay Saint Louis, MS 39520 |
| Other EPA IDs (FRS) | RCRA handler MSD985973502; ICIS-AIR source MS0000002804500015 |
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
- 11Under a numeric limit
- 11With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Zinc, total recoverable | 4 | 10 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 8 | 0 | ||
| Nickel, total recoverable | 4 | 8 | 0 | ||
| Copper, total recoverable | 4 | 8 | 0 | ||
| Molybdenum, total recoverable | 4 | 8 | 0 | ||
| Silver total recoverable | 4 | 6 | 0 | ||
| Lead, total recoverable | 4 | 6 | 0 | ||
| Oil & Grease | 2 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MSP092408.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MSP092408.
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, MSP092408.
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 MSP092408 there.
Nearby on the register
- Discharge permits in Bay Saint Louis
- Every permit record in Bay Saint Louis, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.