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 MDG767357

FIVE OAKS POOL, Catonsville, MD: NPDES MDG767357 discharge permit, effluent exceedances, inspections, penalties

FIVE OAKS POOL, held by Five Oaks Swim Club, holds NPDES permit MDG767357. EPA’s file records it issued June 11, 2025 and expiring November 30, 2027. 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 filedFIVE OAKS POOL
Permittee as filedFive Oaks Swim Club
NPDES IDMDG767357
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 11, 2025
Expiration dateNovember 30, 2027
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressCatonsville, MD 21228
Receiving water impaired303(D) Listed
SubwatershedDeep Run-Patapsco River (HUC 020600031102)

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
pH420
Flow420
Chlorine, total residual210
Cyanuric acid210

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG767357.

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 MDG767357.

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, MDG767357.

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 MDG767357 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 discharge permit NPDES MDG767357 for FIVE OAKS POOL in Catonsville, MD, held by Five Oaks Swim Club, with an effective permit status issued June 11, 2025 and expiring November 30, 2027. The page lists 4 pollutants on file, all under a numeric limit, with 0 showing an effluent exceedance.