Tapcensus

2,4,5-TP (Silvex) violations in Pennsylvania

248 active public water systems in Pennsylvania had a 2,4,5-TP (Silvex) violation in the past three years, 7 of them in the latest quarter of EPA's data. What 2,4,5-TP (Silvex) is and why it matters.

Health effects: Chronic exposure to Silvex is associated with liver damage. EPA classifies it as a possible human carcinogen (Group C). The dioxin contamination historically associated with its production added to concern about its carcinogenicity, though the MCL applies to Silvex itself. Long-term exposure above the MCL is the primary concern.

Systems with a 2,4,5-TP (Silvex) violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Milford Hill Learning Center
Pike County
100 2 0
Monroe County Safety Center
Monroe County
100 3 2
Port Florence Development
Wayne County
100 3 0
The Country Club of Scranton
Lackawanna County
100 5 1
The Village Center
Wayne County
100 1 0
Viant Westfield Plant
Tioga County
100 4 0
Guy Chemical
Somerset County
90 1 0
Hitching Post Assoc
Pike County
90 11 3
Irish Creek MHP
Berks County
90 6 0
Roaring Branch Waterworks
Lycoming County
90 6 0
West Springfield Mobile HM PK
Erie County
90 4 0
Pithole Water Association
McKean County
87 7 2
Key Bellevilles INC
Westmoreland County
85 5 1
Woodside Terrace MHP
Bradford County
84 5 2
Ludlow County Line System
McKean County
81 1 0
Evergreen MHC LLC
Luzerne County
80 8 3
Kerryview MHP
Bradford County
80 5 1
Springfield Village
Erie County
80 9 0
Lynndale
Pike County
78 4 0
Victoria Estates MHP
Crawford County
78 4 0
Irvin Manheim MHP
Lancaster County
77 1 0
Lovetts Mobile Home Park
Erie County
77 3 0
Ludlow Warner System
McKean County
76 1 0
Centerville Muni Water Auth
Bedford County
75 8 1
Deer Park Lumber
Wyoming County
75 6 2
Empire Mobile Home Park
Centre County
75 8 2
Ryan Hill Development
Wayne County
75 4 0
Grace Ridge Church
Wayne County
72 1 0
N Annville MHP
Lebanon County
72 4 1
Eagle Crest Manor MHP
Crawford County
71 1 0
Grandview Acres MHP
Mercer County
70 10 3
Helping Hands, Inc.
Montgomery County
70 4 0
Ppl Electric Utilities Corp
Columbia County
70 1 0
The Surgery Center
Columbia County
70 5 0
Log Road Village
Lackawanna County
68 5 1
Cozy Oaks MHP
Mercer County
65 3 0
Icmsa Arcadia
Indiana County
65 4 1
Seven Hills MHP
Bradford County
65 3 1
State Line MHP
Franklin County
65 5 1
Delmar Meadows MHC
Tioga County
64 4 0
Copper Kettle MHP
Wyoming County
62 4 2
Salem Heights Estate
Wayne County
62 13 4
Country Acres Mobile Home Park
Columbia County
60 5 0
Ecs Amsa 103
Crawford County
60 3 0
Hidden Valley Mobile Home CT
Lycoming County
60 4 0
Mae Eitel
Schuylkill County
60 3 0
Crosby Water Association
McKean County
56 4 0
Greystone Country Estates
Mercer County
55 2 0
Majors Mobilehome Park
Lawrence County
55 2 0
Ridgecrest
Monroe County
55 7 1
About this data

A system is counted once if any of its violations in the past three years involved 2,4,5-TP (Silvex), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not 2,4,5-TP (Silvex) alone.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Pennsylvania records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.