Clean Water Act discharge permit · NPDES PAC220400

LARRY HORST AG OPERATION, Lykens, Township Of, PA: NPDES PAC220400 discharge permit, effluent exceedances, inspections, penalties

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

LARRY HORST AG OPERATION, held by Larry Horst, holds NPDES permit PAC220400. EPA’s file records it issued October 26, 2023 and expiring December 7, 2024.

LARRY HORST AG OPERATION, Lykens, Township Of, Pennsylvania: Coverage under a general permit PAC220400, held by Larry Horst; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued October 26, 2023, term to December 7, 2024, by Dauphin CCD; Hog and Pig Farming.

Pennsylvania holds 4,048 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before PAC220400.

Coverages issued nearest PAC220400

October 24, 2023: CURVIN ZIMMERMAN AG OPERATION, Earl, Township Of, PAC360862, held by Curvin Zimmerman
October 24, 2023: SAINT VINCENT COLLEGE - NEW FMO TRADES BUILDING, Unity, Township Of, PAC650380, held by Saint Vincent College
October 25, 2023: 160 VALLEY RD., Lancaster, PAC360875, held by Thomas Ponessa
October 25, 2023: BENUEL KING DAIRY OP, Colerain, Township Of, PAC360902, held by Benuel King
October 26, 2023: FREEDOM ROAD UPGRADE-SR 2004, SECTION B06, New Sewickley, Township Of, PAC040056, held by PennDOT Engineering District 11-0
October 30, 2023: #1 COCHRAN FORD AND COLLISION CENTER, Butler, PAC100294, held by #1 Cochran Automotive
October 30, 2023: STONY BATTERY CORPORATE CENTER LOT 2, Lancaster, PAC360884, held by John B. Burkholder
October 30, 2023: BRIAR RIDGE COMMONS - APARTMENTS, Lebanon, PAC380289, held by Kimmer Green, LLC
October 30, 2023: NACHTIGALL - INDIAN ROCK DAM ROAD, York, Township Of, PAC670223, held by Dean & Carol Nachtigall
October 30, 2023: ORCHARD BUSINESS PARK PHASE II - LOT 2, East Manchester, Township Of, PAC670621, held by KEIII Canal Road West LLC

LARRY HORST AG OPERATION among its neighbors

EPA’s permit file holds 6 discharge permits in the Lower Mahantango Creek subwatershed (HUC 020503010802), PAC220400 among them. Its county holds 316, 1 of them major permits; PAC220400 is a minor permit.

Other permits in the Lower Mahantango Creek subwatershed (HUC 020503010802)

EMMANUEL CHURCH ROAD SOLAR SITE, Lykens, Township Of: PAC220361, minor permit, permit term to December 7, 2024
EMMANUEL WESLEYAN CHURCH, Lykens, Township Of: PAC220305, minor permit, permit term to December 7, 2024
GIDEON B. ZOOK, Lykens, Township Of: PAC220474, minor permit, permit term to December 7, 2029
HARDY/LUMLEY, Upper Paxton, Township Of: PAC220432, minor permit, permit term to December 7, 2024
SUNGROW BATTERY STORAGE SYSTEM, Gratz, Borough Of: PAC220447, minor permit, permit term to December 7, 2029

What the register holds for LARRY HORST AG OPERATION: its NPDES ID, its permit type and status, its dates, its address in Lykens, Township Of, Pennsylvania. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAC220400.

Identity

Facility as filed	LARRY HORST AG OPERATION
Permittee as filed	Larry Horst
NPDES ID	PAC220400
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
Program	Construction stormwater
Issued	October 26, 2023
Expiration date	December 7, 2024
Issuing agency	Dauphin CCD
Address	Lykens, Township Of, PA 17048
Receiving water impaired	303(D) Listed
Subwatershed	Lower Mahantango Creek (HUC 020503010802)
NAICS	112210 – Hog and Pig Farming

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES PAC220400.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAC220400.

Inspections

EPA’s inspection file holds no inspection for NPDES PAC220400.

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 PAC220400.

Watch this permit

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Nearby on the register

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

The Larry Horst AG Operation, filed under permittee Larry Horst and carrying NPDES ID PAC220400, is one of 229 storm water construction permits in Dauphin County, a group in which 17.5% of permits have a violation on file. Among those 229 permits, 44.1% carry an earlier issue date than this one, which was issued October 26, 2023. The permit has no pollutants under a numeric limit and no effluent exceedances on record, and it is one of 6 NPDES permits in the Lower Mahantango Creek subwatershed.