Clean Water Act discharge permit · NPDES MD0051624
CEDARVILLE/ MANNING FISH HATCH, Brandywine, MD: NPDES MD0051624 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
CEDARVILLE/ MANNING FISH HATCH, held by Maryland Department of Natural Resources, holds NPDES permit MD0051624, which discharges to Zekiah Swamp Run. EPA’s file records it issued July 20, 2021 and expiring August 31, 2026. 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 | CEDARVILLE/ MANNING FISH HATCH |
|---|---|
| Permittee as filed | Maryland Department of Natural Resources |
| NPDES ID | MD0051624 |
| 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 | July 20, 2021 |
| Expiration date | August 31, 2026 |
| Issuing agency | MD Department of The Environment |
| Address | Brandywine, MD 20613 |
| Receiving water | ZEKIAH SWAMP RUN |
| Subwatershed | Jordan Swamp-Zekiah Swamp Run (HUC 020700110401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 10Under a numeric limit
- 12With a violation of any kind
- 1With 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, settleable | 4 | 26 | 3 | December 31, 2006 | 2,930% over the limit |
| Phosphorus, total [as P] | 12 | 57 | 0 | ||
| Nitrogen, total [as N] | 12 | 56 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 55 | 0 | ||
| pH | 8 | 44 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 34 | 0 | ||
| Phosphorous, in total orthophosphate | 0 | 27 | 0 | ||
| Nitrogen, organic total [as N] | 4 | 26 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 24 | 0 | ||
| Copper, dissolved [as Cu] | 8 | 16 | 0 | ||
| Copper, total [as Cu] | 8 | 16 | 0 | ||
| Phosphate, ortho [as PO4] | 0 | 3 | 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 MD0051624.
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 MD0051624 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.