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Clean Water Act discharge permit · NPDES MD0072214

CONCRETE GENERAL, INC, Gaithersburg, MD: NPDES MD0072214 discharge permit, effluent exceedances, inspections, penalties

CONCRETE GENERAL, INC, held by Concrete General Inc, holds NPDES permit MD0072214. EPA’s file records it issued July 1, 2021 and expiring June 30, 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 filedCONCRETE GENERAL, INC
Permittee as filedConcrete General Inc
NPDES IDMD0072214
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 1, 2021
Expiration dateJune 30, 2026
Issuing agencyMaryland Department Environment
AddressGaithersburg, MD 20879
Receiving water impaired303(D) Listed
SubwatershedGreat Seneca Creek (HUC 020700080802)
Other EPA IDs (FRS)RCRA handler MDR000527373; ICIS-AIR source MD0000002403101435

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH280
Suspended Solids, Total280
Flow280
Oil & Grease140
Temp. difference, summer [deg. F]120
Temp. difference, winter [deg. F]120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MD0072214.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MD0072214.

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 MD0072214 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit MD0072214, held by CONCRETE GENERAL, INC of Gaithersburg, MD, a minor discharger whose individual permit is administratively continued. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit recorded as issued July 1, 2021 and expiring June 30, 2026.