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Clean Water Act discharge permit · NPDES PAC190111

KNORR WAREHOUSE DEVELOPMENT, South Centre, Township Of, PA: NPDES PAC190111 discharge permit, effluent exceedances, inspections, penalties

KNORR WAREHOUSE DEVELOPMENT, held by Mitchell Knorr Contracting, LLC, holds NPDES permit PAC190111. EPA’s file records it issued May 18, 2026 and expiring December 7, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for KNORR WAREHOUSE DEVELOPMENT: its NPDES ID, its permit type and status, its dates, its address in South Centre, Township Of, Pennsylvania. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAC190111.

Identity

Facility as filedKNORR WAREHOUSE DEVELOPMENT
Permittee as filedMitchell Knorr Contracting, LLC
NPDES IDPAC190111
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 18, 2026
Expiration dateDecember 7, 2029
Issuing agencyColumbia County Conservation District
AddressSouth Centre, Township Of, PA 17815
Receiving water impaired303(D) Listed
SubwatershedTenmile Creek-Susquehanna River (HUC 020501071002)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES PAC190111.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAC190111.

Inspections

EPA’s inspection file holds no inspection for NPDES PAC190111.

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 PAC190111.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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, PAC190111.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PAC190111 there.

KNORR WAREHOUSE DEVELOPMENT, South Centre, Township Of, Pennsylvania: Coverage under a general permit PAC190111, held by Mitchell Knorr Contracting, LLC; Construction stormwater; Effective; issued May 18, 2026, term to December 7, 2029, by Columbia County Conservation District.

Pennsylvania holds 4,048 Construction stormwater coverages of this permit type in EPA’s file; 3,792 were issued before PAC190111.

Coverages issued nearest PAC190111

KNORR WAREHOUSE DEVELOPMENT among its neighbors

29 discharge permits are in the Tenmile Creek-Susquehanna River subwatershed (HUC 020501071002); PAC190111 is one. Its county: 104, 0 major; PAC190111 is minor permit.

Other permits in the Tenmile Creek-Susquehanna River subwatershed (HUC 020501071002)

Nearby on the register

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

What this page shows

KNORR WAREHOUSE DEVELOPMENT is one of 29 NPDES permits in the Tenmile Creek-Susquehanna River subwatershed. Of the 62 storm water construction permits in Columbia County, 87.1% have an earlier issue date than this permit.