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Clean Water Act discharge permit · NPDES NCG500139

COWANS FORD HYDROELECTRIC STATION, Stanley, NC: NPDES NCG500139 discharge permit, effluent exceedances, inspections, penalties

COWANS FORD HYDROELECTRIC STATION, held by Duke Energy Carolinas LLC, holds NPDES permit NCG500139. EPA’s file records it issued December 14, 2020 and expiring November 30, 2025.

COWANS FORD HYDROELECTRIC STATION, Stanley, North Carolina: Coverage under a general permit NCG500139, held by Duke Energy Carolinas LLC; Administratively continued (past its expiration date and still in force until reissued); issued December 14, 2020, term to November 30, 2025.

Other permits held by Duke Energy Carolinas LLC

COWANS FORD HYDROELECTRIC STATION among its neighbors

EPA’s permit file holds 48 discharge permits in the Muddy Creek-Rocky River subwatershed (HUC 030401050307), NCG500139 among them. Its county holds 107, 1 of them major permits; NCG500139 is a minor permit.

Other permits in the Muddy Creek-Rocky River subwatershed (HUC 030401050307)

What the register holds for COWANS FORD HYDROELECTRIC STATION: its NPDES ID, its permit type and status, its dates, its address in Stanley, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG500139.

Identity

Facility as filedCOWANS FORD HYDROELECTRIC STATION
Permittee as filedDuke Energy Carolinas LLC
NPDES IDNCG500139
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 14, 2020
Expiration dateNovember 30, 2025
AddressStanley, NC 28164
SubwatershedMuddy Creek-Rocky River (HUC 030401050307)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG500139.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG500139.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG500139.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NCG500139.

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, NCG500139.

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Nearby on the register

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

What this page shows

The COWANS FORD HYDROELECTRIC STATION is one of 32 general permit coverages in Gaston County, and 15.6% of those coverages have a violation on file. The permit sits in the Muddy Creek-Rocky River subwatershed, which holds 48 NPDES permits, this one included. Of all 32 Gaston County general permit coverages, 34.4% were issued earlier than this permit, and the permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.