Clean Water Act discharge permit · NPDES MDDRG3890
MARYLAND PORT ADMINISTRATION, Baltimore, MD: NPDES MDDRG3890 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MARYLAND PORT ADMINISTRATION holds NPDES permit MDDRG3890. EPA’s file records it issued November 19, 2024 and expiring November 30, 2029. 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.
What the register holds for MARYLAND PORT ADMINISTRATION: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland, and 13 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDDRG3890.
Identity
| Facility as filed | MARYLAND PORT ADMINISTRATION |
|---|---|
| Permittee as filed | MARYLAND PORT ADMINISTRATION |
| NPDES ID | MDDRG3890 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 19, 2024 |
| Expiration date | November 30, 2029 |
| Issuing agency | Maryland Department of the Environment |
| Address | Baltimore, MD 21226 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Curtis Creek-Curtis Bay (HUC 020600031202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 0With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 12 | 0 | 0 | ||
| Phosphorus, total [as P] | 12 | 0 | 0 | ||
| Nitrogen, total [as N] | 8 | 0 | 0 | ||
| Copper, total [as Cu] | 8 | 0 | 0 | ||
| Lead, total [as Pb] | 8 | 0 | 0 | ||
| Zinc, total [as Zn] | 8 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| PCB, total, scan effluent | 2 | 0 | 0 | ||
| Chlordane | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDDRG3890.
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 MDDRG3890.
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, MDDRG3890.
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 MDDRG3890 there.
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- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.