Clean Water Act discharge permit · NPDES MDG999330
SLAUGHTER CREEK MARINA, LLC, Taylors Island, MD: NPDES MDG999330 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SLAUGHTER CREEK MARINA, LLC, held by 638 Taylors Island Road, LLC, holds NPDES permit MDG999330, which discharges to Little Choptank. EPA’s file records it issued August 25, 2011 and expiring February 28, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SLAUGHTER CREEK MARINA, LLC |
|---|---|
| Permittee as filed | 638 Taylors Island Road, LLC |
| NPDES ID | MDG999330 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 25, 2011 |
| Expiration date | February 28, 2016 |
| Issuing agency | Maryland Department of The Environment |
| Address | Taylors Island, MD 21669 |
| Receiving water | Little Choptank |
| Subwatershed | Slaughter Creek-Little Choptank River (HUC 020600050402) |
| SIC | 4493 – Marinas |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 4 | 4 | 2 | February 24, 2024 | 17% over the limit |
| Zinc, total [as Zn] | 4 | 3 | 1 | February 24, 2026 | 147% over the limit |
| Solids, total suspended | 4 | 2 | 0 | ||
| Oil & Grease | 4 | 2 | 0 | ||
| Lead, total [as Pb] | 4 | 2 | 0 | ||
| Flow | 2 | 2 | 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 MDG999330.
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.
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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 MDG999330 there.
Nearby on the register
- Discharge permits in Taylors Island
- Every permit record in Taylors Island, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.