Clean Water Act discharge permit · NPDES MDDRG3424
MPA - COX CREEK DREDGED MATERIAL CONTAINMENT FACILITY, Pasadena, MD: NPDES MDDRG3424 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MPA - COX CREEK DREDGED MATERIAL CONTAINMENT FACILITY, held by MARYLAND PORT ADMINISTRATION WORLD TRADE CENTER, holds NPDES permit MDDRG3424, which discharges to Baltimore Harbor. EPA’s file records it issued February 11, 2021 and expiring February 28, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MPA - COX CREEK DREDGED MATERIAL CONTAINMENT FACILITY |
|---|---|
| Permittee as filed | MARYLAND PORT ADMINISTRATION WORLD TRADE CENTER |
| NPDES ID | MDDRG3424 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 11, 2021 |
| Expiration date | February 28, 2026 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Pasadena, MD 21226 |
| Receiving water | BALTIMORE HARBOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Stoney Creek-Patapsco River-Chesapeake Bay (HUC 020600031204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 15Under a numeric limit
- 23With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 12 | 32 | 4 | October 31, 2023 | 62% over the limit |
| Copper, total [as Cu] | 10 | 6 | 4 | January 31, 2025 | 76% over the limit |
| Nitrogen, ammonia total [as N] | 20 | 5 | 3 | July 31, 2022 | 108% over the limit |
| Nitrogen, total [as N] | 24 | 10 | 2 | June 30, 2014 | 57% over the limit |
| Nickel, total [as Ni] | 4 | 2 | 2 | February 29, 2024 | 16% over the limit |
| Phosphorus, total [as P] | 36 | 13 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 4 | 0 | ||
| Trichlorofluoromethane | 0 | 3 | 0 | ||
| Bromomethane | 0 | 3 | 0 | ||
| Bromodichloromethane | 0 | 3 | 0 | ||
| Dichloroethane | 0 | 3 | 0 | ||
| pH | 12 | 2 | 0 | ||
| Zinc, total [as Zn] | 10 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Ethylbenzene | 0 | 2 | 0 | ||
| Chloromethane | 0 | 2 | 0 | ||
| 1,1-Dichloroethene | 0 | 2 | 0 | ||
| Organics, tot purgeables [Method 624] | 2 | 1 | 0 | ||
| Priority Pollutants | 0 | 1 | 0 | ||
| 1,3-Dichloropropene | 0 | 1 | 0 | ||
| trans-1,2-Dichloroethene | 0 | 1 | 0 | ||
| Chloroethane | 0 | 1 | 0 | ||
| Nitrogen, organic total [as N] | 12 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 12 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 0 | 0 | ||
| Chlordane | 4 | 0 | 0 | ||
| Flow | 4 | 0 | 0 | ||
| Polychlorinated biphenyls [PCB] pg/L | 4 | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MDDRG3424.
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
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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 MDDRG3424 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.