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Pennsylvania State overlays

All 18 tracked preemption laws for Pennsylvania.

Overview

All tracked preemption laws for Pennsylvania. Click any law for its trigger predicate, preempted fields, and source citation.

Laws tracked
18
Preempted fields
40
Required city attrs
12
Last reviewed
2026-05-19
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Tracked laws

Pennsylvania Act 13 — Oil & Gas Operational Preemption (58 Pa.C.S. §3303)2 fields
Effective
2012-02-14
Authority
state · scope: state:PA
ID
PA_ACT13_OIL_GAS_3303
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Chesapeake Bay Watershed — Riparian Buffer & E&S Control (25 Pa. Code Ch. 102)2 fields
Effective
2010-11-19
Authority
state · scope: state:PA
ID
PA_CHESAPEAKE_BAY_RIPARIAN_BUFFER_CH102
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Pennsylvania Natural Diversity Inventory (PNDI) Environmental Review2 fields
Effective
2008-01-01
Authority
state · scope: state:PA
ID
PA_PNDI_ENVIRONMENTAL_REVIEW
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MPC §503(1.1) — Manufactured / Industrialized Housing Preemption3 fields
Effective
2000-12-21
Authority
state · scope: state:PA
ID
PA_MPC_503_1_1_MANUFACTURED_HOUSING_2000
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Pennsylvania Uniform Construction Code (UCC) — Building Code Preemption2 fields
Effective
1999-11-10
Authority
state · scope: state:PA
ID
PA_UCC_UNIFORM_CONSTRUCTION_CODE_1999
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Firearms — Local Regulation Preemption (18 Pa.C.S. §6120)1 field
Effective
1995-10-11
Authority
state · scope: state:PA
ID
PA_FIREARMS_PREEMPTION_6120
Open detail →
Pennsylvania History Code — State Historic Preservation Review (Pa.C.S. Title 37)2 fields
Effective
1988-04-08
Authority
state · scope: state:PA
ID
PA_HISTORY_CODE_ARCHAEOLOGY_1988
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Pennsylvania Agricultural Area Security Law — Agricultural Security Areas (Act 43 / Act 38 of 2005)3 fields
Effective
1981-06-30
Authority
state · scope: state:PA
ID
PA_AG_SECURITY_AREA_ACT43_1981
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Pennsylvania Coastal Zone Management Program — Lake Erie & Delaware Estuary2 fields
Effective
1980-07-10
Authority
state · scope: state:PA
ID
PA_COASTAL_ZONE_LAKE_ERIE_DELAWARE_CZMA
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PA Dam Safety and Encroachments Act / 25 Pa. Code Ch. 105 — Waterway Permits & Wetlands3 fields
Effective
1978-11-26
Authority
state · scope: state:PA
ID
PA_DAM_SAFETY_WATERWAY_CH105_1978
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Pennsylvania Storm Water Management Act (Act 167) — County Watershed-Based Plans2 fields
Effective
1978-10-04
Authority
state · scope: state:PA
ID
PA_ACT167_STORMWATER_MANAGEMENT_1978
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Pennsylvania Flood Plain Management Act (Act 166 of 1978) — Mandatory Municipal Floodplain Ordinance4 fields
Effective
1978-10-04
Authority
state · scope: state:PA
ID
PA_FLOODPLAIN_MANAGEMENT_ACT166_1978
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Pennsylvania Scenic Rivers Act — State-Designated River Corridors2 fields
Effective
1972-12-05
Authority
state · scope: state:PA
ID
PA_SCENIC_RIVERS_ACT_1972
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Surface Mining Conservation and Reclamation Act — Local Preemption (§1396.4e)2 fields
Effective
1971-11-30
Authority
state · scope: state:PA
ID
PA_SMCRA_SURFACE_MINING_1396_4E
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Pennsylvania Municipalities Planning Code (MPC) — Act 247 of 19683 fields
Effective
1968-07-31
Authority
state · scope: state:PA
ID
PA_MPC_ACT247_1968
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Pennsylvania Sewage Facilities Act (Act 537) — Required Sewage Facilities Plan2 fields
Effective
1966-01-24
Authority
state · scope: state:PA
ID
PA_ACT537_SEWAGE_FACILITIES_PLANNING_1966
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Delaware River Basin Commission — Section 3.8 Project Review2 fields
Effective
1961-09-27
Authority
interstate_compact · scope: state:PA
ID
PA_DRBC_PROJECT_REVIEW_3_8
Open detail →
First Class City Home Rule Act — Philadelphia1 field
Effective
1949-04-21
Authority
state · scope: state:PA
ID
PA_FCCHRA_PHILADELPHIA_1949
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Required city attributes

Required city attributes

The evaluator needs these city-level facts present to resolve whether a given law's predicate fires.

  • population
  • county_population
  • governance_class
  • is_in_marcellus_utica_footprint
  • is_in_surface_mining_footprint
  • is_in_chesapeake_bay_watershed
  • is_in_lake_erie_coastal_zone
  • is_in_delaware_estuary_coastal_zone
  • is_in_agricultural_security_area
  • is_in_scenic_river_corridor
  • is_in_delaware_river_basin
  • is_nfip_participating_municipality