Clean Water Act discharge permit · NPDES MDG498072
SHERIFF ROAD ASPHALT, Capitol Heights, MD: NPDES MDG498072 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SHERIFF ROAD ASPHALT, held by Bardon, Inc. (dba Aggregate Industries - MAR), holds NPDES permit MDG498072, which discharges to Cabin Branch. EPA’s file records it issued December 30, 2013 and expiring April 30, 2015. 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 | SHERIFF ROAD ASPHALT |
|---|---|
| Permittee as filed | Bardon, Inc. (dba Aggregate Industries - MAR) |
| NPDES ID | MDG498072 |
| 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 | December 30, 2013 |
| Expiration date | April 30, 2015 |
| Issuing agency | MDE |
| Address | Capitol Heights, MD 20743 |
| Receiving water | Cabin Branch |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Anacostia River (HUC 020700100204) |
| SIC | 2952 – Asphalt Felts And Coatings |
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
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| pH | 2 | 38 | 0 | ||
| Solids, total suspended | 2 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 32 | 0 | ||
| pH change [range] | 2 | 32 | 0 | ||
| Solids, settleable | 1 | 16 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG498072.
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 MDG498072.
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 MDG498072 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.