Clean Water Act discharge permit · NPDES MDG493602
BELTSVILLE READY MIX CONCRETE (RMC), Beltsville, MD: NPDES MDG493602 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
BELTSVILLE READY MIX CONCRETE (RMC), held by Bardon, Inc. (dba Aggregate Industries - MAR), holds NPDES permit MDG493602, which discharges to Indian Stream. EPA’s file records it issued May 20, 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 | BELTSVILLE READY MIX CONCRETE (RMC) |
|---|---|
| Permittee as filed | Bardon, Inc. (dba Aggregate Industries - MAR) |
| NPDES ID | MDG493602 |
| 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 | May 20, 2013 |
| Expiration date | April 30, 2015 |
| Issuing agency | Maryland Department of The Evrionment |
| Address | Beltsville, MD 20705 |
| Receiving water | Indian Stream |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper Anacostia River (HUC 020700100203) |
| Other EPA IDs (FRS) | RCRA handler MDR000525538 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 5Pollutants on file
- 4Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| pH | 4 | 15 | 7 | September 30, 2020 | |
| Solids, total suspended | 4 | 12 | 6 | November 30, 2022 | 503% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| pH change [range] | 4 | 4 | 0 | ||
| Oil and grease | 0 | 1 | 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 MDG493602.
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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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 MDG493602 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.