Clean Water Act discharge permit · NPDES PAG033996

DONSCO MT JOY IRON FOUNDRY STORMWATER, Mount Joy, PA: NPDES PAG033996 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
9Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DONSCO MT JOY IRON FOUNDRY STORMWATER, held by DONSCO INC, holds NPDES permit PAG033996, which discharges to Little Chiques Creek. EPA’s file records it issued January 16, 2024 and expiring March 23, 2028.

DONSCO MT JOY IRON FOUNDRY STORMWATER, Mount Joy, Pennsylvania: Coverage under a general permit PAG033996, held by DONSCO INC; Effective; issued January 16, 2024, term to March 23, 2028, by State Environmental Organization; discharges to Little Chiques Creek; Iron Foundries.

Oil & Grease: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Iron, total [as Fe]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Aluminum, total [as Al]: 2 limits, 4 violations of any kind, 0 effluent exceedances.

June 10, 2025: Permit Violations - Failure to Pay Fees (ST6).
February 25, 2025: Monitoring Violations - Analysis not Conducted (ST6).
February 25, 2025: Permit Violations - Discharge Without a Valid Permit (ST6).
February 25, 2025: Permit Violations - Violation Specified in Comment (ST6).

Other permits held by DONSCO INC

DONSCO WRIGHTVILLE FOUNDRY, Wrightsville: PAG033994, issued January 16, 2024
DONSCO WRIGHTVILLE FOUNDRY, Wrightsville: PAR203549, issued May 20, 2008
DONSCO MT JOY IRON FOUNDRY STORMWATER, Mount Joy: PAR203587, issued October 1, 2007

DONSCO MT JOY IRON FOUNDRY STORMWATER among its neighbors

EPA’s permit file holds 44 discharge permits in the Little Chickies Creek subwatershed (HUC 020503060802), PAG033996 among them.

Other permits in the Little Chickies Creek subwatershed (HUC 020503060802)

160 VALLEY RD., Lancaster: PAC360875, minor permit, permit term to December 7, 2024
2113 CLOVERLEAF RD SRSTP, Mount Joy: PAG044034, minor permit, discharging to UNT To Little Chiques Creek, permit term to November 11, 2028
ADAM BRANDT AG OPERATION, Mount Joy, Township Of: PAC361094, minor permit, permit term to December 7, 2029
ADMINISTRATION/POLICE DEPARTMENT FACILITY, Mount Joy, Borough Of: PAC360937, minor permit, permit term to December 7, 2024
ADVANCED DISPOSAL SERVICES LANCASTER LANDFILL, Elizabethtown: PAG033707, minor permit, discharging to UNT To Little Chiques Creek, permit term to March 23, 2028
BOB BRUBAKER AG OPR, Manheim: PAC360899, minor permit, discharging to Unnamed Stream, permit term to December 7, 2024
BRUBAKER FARMS - IRON BRIDGE FARM, Mount Joy: PAG123792, minor permit, discharging to Little Chiques Creek, permit term to December 31, 2028
BRUBAKER FARMS CAFO, Mount Joy: PAG123767, minor permit, discharging to UNT To Donegal Creek, permit term to December 31, 2028
CARGILL FEED AND NUTRITION MOUNT JOY, Mount Joy: PAG033650, minor permit, discharging to UNT To Little Chiques Creek, permit term to March 23, 2028
CLOVERLEAF SELF STORAGE, Mount Joy: PAC360921, minor permit, discharging to UNT Of Little Chiques Creek, permit term to December 7, 2024

Identity

Facility as filed	DONSCO MT JOY IRON FOUNDRY STORMWATER
Permittee as filed	DONSCO INC
NPDES ID	PAG033996
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 16, 2024
Expiration date	March 23, 2028
Issuing agency	State Environmental Organization
Address	Mount Joy, PA 17552
Receiving water	Little Chiques Creek
Receiving water impaired	303(D) Listed
Subwatershed	Little Chickies Creek (HUC 020503060802)
NAICS	331511 – Iron Foundries
SIC	3321 – Gray And Ductile Iron Foundries

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
9With 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
Oil & Grease	2	8
Nitrogen, total [as N]	2	8
Phosphorus, total [as P]	2	8
Solids, total suspended	2	4
Copper, total [as Cu]	2	4
Iron, total [as Fe]	2	4
Lead, total [as Pb]	2	4
Zinc, total [as Zn]	2	4
Aluminum, total [as Al]	2	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PAG033996.

Inspections, violations and enforcement

4Single-event violations

Date	What EPA recorded	Agency
June 10, 2025	Permit Violations - Failure to Pay Fees	ST6
February 25, 2025	Monitoring Violations - Analysis not Conducted	ST6
February 25, 2025	Permit Violations - Discharge Without a Valid Permit	ST6
February 25, 2025	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES PAG033996.

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 PAG033996.

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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit PAG033996 for DONSCO MT JOY IRON FOUNDRY STORMWATER in Mount Joy, PA, held by DONSCO INC, with a Minor Discharger class and an Effective permit status. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.