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Environmental compliance · county

Environmental compliance in Montgomery County

2,608 active EPA-regulated sites in Montgomery County, Pennsylvania: 228 with an identified violation, 53 in significant violation, 2,049 inspections and $13.9 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/pa/montgomery-county/environmental-compliance

How many facilities in Montgomery County, Pennsylvania are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

MeasureValue
Active EPA-regulated sites2,608
Sites with an identified violation228
Sites in significant violation53
Inspections and evaluations, last 5 years2,049
Formal enforcement actions, last 5 years145
Penalties, last 5 years (shared federal cases once)$13.9 million

How many active facilities in Montgomery County, Pennsylvania fall under each EPA program?

A facility can be in several programs.

ProgramActive sites
Air (Clean Air Act)533
Water discharge permits (Clean Water Act, NPDES)1,015
Hazardous waste (RCRA)1,269
Drinking water systems (SDWA)190
Toxics Release Inventory reporters46
Greenhouse gas reporters (GHGRP)8

Which large facilities in Montgomery County, Pennsylvania does the EPA track, and are they in violation?

FacilityCompliance statusQuarters in violation (of 12)Penalties, 5 years
COVANTA PLYMOUTH RENEWABLE ENERGY - PLYMOUTH TWP FACILITY
Conshohocken, PA
Significant Violation12$484,233
NORRISTOWN BOROUGH STP
Norristown, PA
Significant Violation12–
REPUBLIC ENV SYS PA LLC
Hatfield, PA
Significant Violation12$241,750
WHITEMARSH TOWNSHIP STP
Lafayette Hill, PA
Significant Violation12–
SUPERIOR TUBE COLLEGEVILLE FAC
Collegeville, PA
Significant Violation11–
UPPER GWYNEDD-TOWAMENCIN MUN A
Lansdale, PA
Significant Violation11–
ACCELLENT INC/COLLEGEVILLE MICROCOAX
Collegeville, PA
Significant Violation10$340,000
UPPER GWYNEDD TWP STP
North Wales, PA
Significant Violation10$32,000
UPPER MORELAND HATBORO JOINT SEWER AUTHORITY
Willow Grove, PA
Significant Violation10$1,757
ENPWJSA WWTP
Plymouth Meeting, PA
Significant Violation6–
HANDY & HARMAN TUBE CO/EAST NORRITON
Norristown, PA
Significant Violation6–
EXELON LIMERICK GENERATING STATION
Pottstown, PA
Significant Violation5–
OAKS WWTP
Oaks, PA
Significant Violation5–
OCCIDENTAL CHEMICAL CORP
Pottstown, PA
Significant Violation3–
PECO ENERGY W CONSHOHOCKEN GAS PLT
W Cnshohocken, PA
Significant Violation3–
QG PRINTING III / EAST GREENVILLE
East Greenville, PA
Significant Violation3–
ARCELORMITTAL PLATE LLC CONSHOHOCKEN FACILITY
Conshohocken, PA
Significant Violation2–
CLEMENS FOOD GROUP/HATFIELD PLT
Hatfield, PA
Violation Identified11$262,084
CONSHOHOCKEN BORO AUTH
Conshohocken, PA
Violation Identified11–
LANSDALE BORO STP
Lansdale, PA
Violation Identified11–
NEW HANOVER TWP AUTH MONTGOMERY CNTY
Gilbertsville, PA
Violation Identified11–
POTTSTOWN WASTEWATER TREATMENT PLANT
Pottstown, PA
Violation Identified11–
ABINGTON WWTP
Abington, PA
Violation Identified10–
AMBLER BORO MS4 UA
Ambler, PA
Violation Identified10–
BLOMMER CHOCOLATE CO/E GREENVILLE PLT
East Greenville, PA
Violation Identified10$48,936
JBS SOUDERTON INC/FRANCONIA TWP
Souderton, PA
Violation Identified10$109,307
SOUDERTON BORO STP
Souderton, PA
No Violation Identified10$18,415
SWAMP CREEK STP
Gilbertsville, PA
Violation Identified9$8,730
EUREKA WWTP
North Wales, PA
Violation Identified8$19,768
HATFIELD TWP MUNI AUTH/COLMAR
Colmar, PA
Violation Identified6–
UPPER DUBLIN WWTP
Fort Washington, PA
Violation Identified6–
GRAPHIC PKG INTL LLC/VALLEY FORGE
Phoenixville, PA
No Violation Identified5$29,904
MATSUNK STP
King Of Prussia, PA
Violation Identified5–
TELFORD BORO AUTH WWTP
Telford, PA
Violation Identified5–
UPPER MERION TWP. AUTH-TROUT R
King Of Prussia, PA
Violation Identified5–
HAMMOND LEAD PRODUCTS/POTTSTOWN
Pottstown, PA
Violation Identified3–
INNOVATION 411 FEE OWNER LLC
King Of Prussia, PA
Violation Identified3–
UPPER MONTGOMERY JOINT AUTHORITY STP
Pennsburg, PA
Violation Identified3$18,076
LOCKHEED MARTIN CORP/KING OF PRUSSIA
King Of Prussia, PA
No Violation Identified2–
NORRISTOWN STATE HOSPITAL
Norristown, PA
Violation Identified2–
PARK CREEK STP
Horsham, PA
Violation Identified2–
COLLEGEVILLE HOLDINGS LLC/COLLEGEVILLE
Collegeville, PA
No Violation Identified1–
PRECISION TUBE CO / NORTH WALES
North Wales, PA
No Violation Identified1–
SMITHKLINE BEECHAM PHARMACEUTICALS INC
King Of Prussia, PA
No Violation Identified1–
TUBE METHODS INC/BRIDGEPORT
Bridgeport, PA
No Violation Identified1–
CONSTELLATION GENERATION CO/MOSER GENERATING STATION
Pottstown, PA
No Violation Identified0–
JANSSEN RESEARCH & DEVELOPMENT LLC/LOWER GWYNEDD
Spring House, PA
No Violation Identified0–
JEFFERSON SMURFIT CORP (US)
North Wales, PA
No Violation Identified0–
JOHNSON MATTHEY INC
Conshohocken, PA
No Violation Identified0–
U.S. NAVY NAVAL AIR STATION WILLOW GROVE
Willow Grove, PA
No Violation Identified0–

All figures for Montgomery County · Pennsylvania · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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