Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MD0000311

GRACE DAVISON-CURTIS BAY, Baltimore, MD: NPDES MD0000311 discharge permit, effluent exceedances, inspections, penalties

GRACE DAVISON-CURTIS BAY holds NPDES permit MD0000311, which discharges to Patapsco Via Curtis Bay. EPA’s file records it issued August 6, 2010 and expiring August 31, 2015. 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 filedGRACE DAVISON-CURTIS BAY
Permittee as filedGRACE DAVISON-CURTIS BAY
NPDES IDMD0000311
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 6, 2010
Expiration dateAugust 31, 2015
Issuing agencyMDE
AddressBaltimore, MD 21226
Receiving waterPATAPSCO via CURTIS BAY
Receiving water impaired303(D) Listed
SubwatershedCurtis Creek-Curtis Bay (HUC 020600031202)
Other EPA IDs (FRS)RCRA handler MDR000502195

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
Phosphorus, total [as P]966December 31, 2011201% over the limit
pH255December 31, 2006
BOD, 5-day, 20 deg. C453November 30, 201899,999% over the limit
Nitrogen, ammonia total [as N]16221August 31, 201121% over the limit
Turbidity211November 30, 2018
pH range excursions, > 60 minutes111September 30, 201099,999% over the limit
Nitrogen, nitrite total [as N]1260
Nitrogen, total [as N]930
Phosphate, ortho [as P]800
Nitrogen, nitrate total [as N]500
Nitrogen, Kjeldahl, total [as N]400
Copper, total [as Cu]400
Flow, total400
Solids, total suspended200
Chromium, total [as Cr]200
Cobalt, total [as Co]200
Molybdenum, total [as Mo]200
Nickel, total [as Ni]200
Vanadium, total [as V]200
Flow, in conduit or thru treatment plant200
Chlorine, total residual200
Metals, total200
Nitrogen, organic total [as N]100
Flow, total100
pH range excursions, monthly total accum100

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 MD0000311.

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

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, MD0000311.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MD0000311 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 Clean Water Act NPDES permit MD0000311, held by GRACE DAVISON-CURTIS BAY in Baltimore, MD, which discharges to Patapsco via Curtis Bay and is administratively continued as a Major Discharger. The page lists 6 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, with the permit's issue date of August 6, 2010 and expiration date of August 31, 2015.