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Clean Water Act discharge permit · NPDES DC0000175

BARDON INC., (D/B/A AGGREGATE INDUSTRIES, AKA SUPER CONCRETE), Washington, DC: NPDES DC0000175 discharge permit, effluent exceedances, inspections, penalties

BARDON INC., (D/B/A AGGREGATE INDUSTRIES, AKA SUPER CONCRETE), held by SUPER CONCRETE CORPORATION, holds NPDES permit DC0000175, which discharges to Anacostia River. EPA’s file records it issued January 6, 2014 and expiring January 5, 2019. 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 filedBARDON INC., (D/B/A AGGREGATE INDUSTRIES, AKA SUPER CONCRETE)
Permittee as filedSUPER CONCRETE CORPORATION
NPDES IDDC0000175
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
IssuedJanuary 6, 2014
Expiration dateJanuary 5, 2019
AddressWashington, DC 20011
Receiving waterANACOSTIA RIVER
Receiving water impaired303(D) Listed
SubwatershedLower Rock Creek (HUC 020700100102)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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
Solids, total suspended410278January 5, 20164,233% over the limit
Toxicity [chronic], Ceriodaphnia dubia03727June 30, 20261,009% over the limit
BOD, 5-day, 20 deg. C02525March 31, 2026230% over the limit
Oil & Grease23513February 28, 2021308% over the limit
pH23010September 30, 2005
Toxicity [chronic], Pimephales promelas [Fathead Minnow]0199June 30, 202636% over the limit
Flow, in conduit or thru treatment plant2280
Biochemical oxygen demand260
Nitrogen, Total020
Phosphorus, Total020

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 DC0000175.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, DC0000175.

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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 DC0000175 there.

Nearby on the register

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