Clean Water Act discharge permit · NPDES MDG679786
CATOCTIN MOUNTAIN PARK CENTRALIZED TREATMRNT BLDG & WATER STORAGE TANK, Thurmont, MD: NPDES MDG679786 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CATOCTIN MOUNTAIN PARK CENTRALIZED TREATMRNT BLDG & WATER STORAGE TANK, held by NATIONAL PARK SERVICE/SOUTHERN CONTRACTING, LLC, holds NPDES permit MDG679786, which discharges to Gw, Ut To Owens Creek. EPA’s file records it issued December 16, 2024 and expiring July 31, 2025. 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 | CATOCTIN MOUNTAIN PARK CENTRALIZED TREATMRNT BLDG & WATER STORAGE TANK |
|---|---|
| Permittee as filed | NATIONAL PARK SERVICE/SOUTHERN CONTRACTING, LLC |
| NPDES ID | MDG679786 |
| 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 | December 16, 2024 |
| Expiration date | July 31, 2025 |
| Issuing agency | MDE |
| Address | Thurmont, MD 21788 |
| Receiving water | GW, UT TO OWENS CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hunting Creek (HUC 020700090505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 2With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow, total | 2 | 12 | 0 | ||
| Temperature Increase Deg. F | 1 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG679786.
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 MDG679786.
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 MDG679786 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.