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Clean Water Act discharge permit · NPDES NCG160220

GLENDALE SPRINGS PLANT, Boone, NC: NPDES NCG160220 discharge permit, effluent exceedances, inspections, penalties

GLENDALE SPRINGS PLANT, held by Appalachian Materials LLC, holds NPDES permit NCG160220. EPA’s file records it issued January 19, 2021 and expiring May 31, 2024.

GLENDALE SPRINGS PLANT, Boone, North Carolina: Coverage under a general permit NCG160220, held by Appalachian Materials LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued January 19, 2021, term to May 31, 2024.

North Carolina holds 3,311 Industrial stormwater coverages of this permit type in EPA’s file; 1,199 were issued before NCG160220.

Coverages issued nearest NCG160220

GLENDALE SPRINGS PLANT among its neighbors

EPA’s permit file holds 11 discharge permits in the Reddies River subwatershed (HUC 030401010305), NCG160220 among them.

Other permits in the Reddies River subwatershed (HUC 030401010305)

What the register holds for GLENDALE SPRINGS PLANT: its NPDES ID, its permit type and status, its dates, its address in Boone, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG160220.

Identity

Facility as filedGLENDALE SPRINGS PLANT
Permittee as filedAppalachian Materials LLC
NPDES IDNCG160220
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
ProgramIndustrial stormwater
IssuedJanuary 19, 2021
Expiration dateMay 31, 2024
AddressBoone, NC 28607
SubwatershedReddies River (HUC 030401010305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG160220.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG160220.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG160220.

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 NCG160220.

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, NCG160220.

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Nearby on the register

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

What this page shows

The GLENDALE SPRINGS PLANT is one of 3 storm water industrial permits on EPA's NPDES register in Boone, including this one, and it sits among 11 NPDES permits in the Reddies River subwatershed (HUC 030401010305). The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted at 0.