Clean Water Act discharge permit · NPDES PAG033891

ARDENT MILLS, YORK, York, PA: NPDES PAG033891 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

ARDENT MILLS, YORK, held by ARDENT MILLS LLC, holds NPDES permit PAG033891, which discharges to Codorus Creek. EPA’s file records it issued February 5, 2024 and expiring March 23, 2028.

ARDENT MILLS, YORK, York, Pennsylvania: Coverage under a general permit PAG033891, held by ARDENT MILLS LLC; Effective; issued February 5, 2024, term to March 23, 2028, by State Environmental Organization; discharges to Codorus Creek.

BOD, 5-day, 20 deg. C: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Oxygen demand, chem. [high level] [COD]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Oil & Grease: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 4 violations of any kind, 0 effluent exceedances.

August 4, 2026: Audit (S).

Other permits held by ARDENT MILLS LLC

ARDENT MILLS MARTINS CREEK FLOUR MILL, Martins Creek: PAG032356, issued June 25, 2024
ARDENT MILLS LLC - RED LION FLOUR MILL, Red Lion: PAR123524, issued July 8, 2010

ARDENT MILLS, YORK among its neighbors

EPA’s permit file holds 40 discharge permits in the Codorus Creek-Susquehanna River subwatershed (HUC 020503060707), PAG033891 among them. Its county holds 521, 4 of them major permits; PAG033891 is a minor permit.

Other permits in the Codorus Creek-Susquehanna River subwatershed (HUC 020503060707)

1 CHURCH ROAD, Manchester, Township Of: PAC670744, minor permit, permit term to December 7, 2029
3245 SUSQUEHANNA TRAIL (DUNKIN), Manchester, Township Of: PAC670676, minor permit, permit term to December 7, 2024
3875-3885 BOARD ROAD, Manchester, Township Of: PAC670811, minor permit, permit term to December 7, 2029
A. DUIE PYLE COMPANIES, YORK FACILITY, York: PAG033793, minor permit, discharging to UNT Of Codorus Creek, permit term to March 23, 2028
A. DUIE PYLE COMPANIES, YORK FACILITY, York: PAR803722, minor permit, discharging to UNT TO CODORUS CREEK, permit term to September 30, 2015
ALTIUM PACKAGING, York: PAG033744, minor permit, discharging to UNT To Codorus Creek, permit term to March 23, 2028
ALTIUM PACKAGING, York: PAR703519, minor permit, discharging to UNT CODORUS CREEK IN WTRSHD 7-H, permit term to August 31, 2012
AMERICOLD WAREHOUSE EXPANSION - 60 STEAMBOAT BLVD, East Manchester, Township Of: PAC670564, minor permit, permit term to December 7, 2024
ARDENT MILLS, YORK, York: PAR123525, minor permit, discharging to CODORUS CREEK, permit term to June 30, 2014
BALTIMORE FABRICATION, Emigsville: PAG034087, minor permit, discharging to UNT To Codorus Creek, permit term to March 23, 2028

Identity

Facility as filed	ARDENT MILLS, YORK
Permittee as filed	ARDENT MILLS LLC
NPDES ID	PAG033891
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 5, 2024
Expiration date	March 23, 2028
Issuing agency	State Environmental Organization
Address	York, PA 17406
Receiving water	Codorus Creek
Receiving water impaired	303(D) Listed
Subwatershed	Codorus Creek-Susquehanna River (HUC 020503060707)

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
8With 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
BOD, 5-day, 20 deg. C	2	5
Oxygen demand, chem. [high level] [COD]	2	5
pH	2	5
Oil & Grease	2	5
Nitrogen, total [as N]	2	5
Nitrite + Nitrate total [as N]	2	5
Phosphorus, total [as P]	2	5
Solids, total suspended	2	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PAG033891.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAG033891.

Inspections

Date	What EPA recorded	Agency
August 4, 2026	Audit	S

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 PAG033891.

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

This public-records page covers NPDES permit PAG033891 for ARDENT MILLS in York, PA, held by ARDENT MILLS LLC and discharging to Codorus Creek. The page lists 8 pollutants on file, 8 under a numeric limit, 8 with a violation of any kind, and 0 with an effluent exceedance.