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Township of Thornbury, PA
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2022-09-20
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Part II: General Legislation
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Chapter 116 Stormwater Management
Part I: Administrative Legislation
Ch 1
General Provisions
Ch 6
(Reserved)
Ch 14
Fire Department
Ch 20
Historical Preservation Commission
Ch 25
Intermunicipal Agreements
Ch 32
Manager
Ch 37
Official Map
Ch 41
Parks and Recreation
Ch 46
Planning Commission
Ch 50
Tax Collector
Part II: General Legislation
Ch 55
Alarms
Ch 56
Animals
Ch 60
(Reserved)
Ch 64
Buildings, Numbering of
Ch 68
Burning, Outdoor
Ch 72
Cable Television
Ch 75
Communication Amplification System
Ch 75A
Construction Codes, Uniform
Ch 76
Fences, Walls and Screens
Ch 80
Firearms
Ch 81
Fireworks
Ch 83
Floodplain Management
Ch 85
Garbage Dumps and Junkyards
Ch 89
Peace and Good Order
Ch 93
Property Maintenance
Ch 96
Rental Units, Registration and Inspection
Ch 97
Rental Unit Reports
Ch 105
Sewers
Ch 108
Streets and Sidewalks
Ch 115
Subdivision and Land Development
Ch 116
Stormwater Management
Ch 116 Art I
General Provisions
§ 116-1
Short title.
§ 116-2
Statement of findings.
§ 116-3
Purpose.
§ 116-4
Statutory authority.
§ 116-5
Applicability.
§ 116-6
Exemptions and modified requirements.
§ 116-7
Repealer.
§ 116-8
Severability.
§ 116-9
Compatibility with other ordinances or legal requirements.
§ 116-10
Financial security.
§ 116-11
Waivers.
§ 116-12
Erroneous permit.
Ch 116 Art II
Definitions
§ 116-13
Interpretation.
§ 116-14
Definitions.
Ch 116 Art III
Stormwater Management Standards
§ 116-15
General requirements.
§ 116-16
Permit requirements by other governmental entities.
§ 116-17
Erosion and sediment control.
§ 116-18
Site design process.
§ 116-19
Water quality and runoff volume requirements.
§ 116-20
Infiltration requirements.
§ 116-21
Stream channel protection requirements.
§ 116-22
Stormwater peak rate control requirements.
§ 116-23
Calculation methodology.
§ 116-24
Other requirements.
§ 116-25
Other conveyance and system design standards.
Ch 116 Art IV
Stormwater Management (SWM) Site Plan Requirements
§ 116-26
General requirements.
§ 116-27
SWM site plan contents.
§ 116-28
SWM site plan submission.
§ 116-29
SWM site plan review.
§ 116-30
Revision of SWM site plans.
§ 116-31
Resubmission of inconsistent or noncompliant SWM site plans.
Ch 116 Art V
Performance and Inspection of Regulated Activities and Final As-Built Plans
§ 116-32
Performance and inspection of regulated activities.
§ 116-33
Final as-built plans.
Ch 116 Art VI
Fees and Expenses
§ 116-34
Thornbury Township SWM site plan review and inspection fees.
§ 116-35
Expenses covered by fees.
Ch 116 Art VII
Operation and Maintenance Responsibilities and Easements
§ 116-36
General requirements for protection, operation and maintenance of stormwater BMPs and conveyances.
§ 116-37
Operation and maintenance plans.
§ 116-38
Operation and maintenance agreements.
§ 116-39
Easements and deed restrictions.
§ 116-40
Other post-construction responsibilities.
§ 116-41
Inspection and BMP operation and maintenance requirements (landowner or owner's designee).
Ch 116 Art VIII
Prohibitions
§ 116-42
Prohibited discharges.
§ 116-43
Prohibited connections.
§ 116-44
Roof drains and sump pumps.
§ 116-45
Alteration of BMPs.
Ch 116 Art IX
Enforcement and Penalties
§ 116-46
Public nuisance.
§ 116-47
Right of entry.
§ 116-48
Enforcement.
§ 116-49
Suspension and revocation of permits and approvals.
§ 116-50
Penalties.
§ 116-51
Appeals.
§ 116-52
Effective date.
Ch 117
Storm Sewers
Ch 120
Taxation
Ch 124
Transient Retail Merchants
Ch 129
Trees
Ch 130
Vegetation, Noxious
Ch 135
Vehicles and Traffic
Ch 141
Vehicles, Motor-Driven
Ch 147
Waste Management and Recycling
Ch 150
Water
Ch 155
Zoning
Appendix
Ch A160
Fees
Disposition List
Ch DL
Disposition List
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Chapter 116
Stormwater Management
[HISTORY: Adopted by the Board of Supervisors of the Township of Thornbury
8-19-2014
by
Ord. No. 2014-2
.
[1]
; amended in its entirety
9-20-2022
by
Ord. No. 1-2022
. Subsequent amendments noted where applicable.]
ATTACHMENTS
Appendix A, Simplified Approach to Stormwater Management for Small Projects
Appendix B, Natural Hydrology Site Design Process
Appendix C, Runoff Coefficients and Curve Numbers
Appendix D, West Nile Virus Design Guidance
Appendix E, Stormwater Best Management Practices and Conveyances Operation and Maintenance Agreement
Appendix F, Riparian Buffer Technical Reference Guide
Appendix G, Release Rate Map
Appendix H, Runoff Criteria Adjustment for Predevelopment Conditions
[1]
Editor's Note: This ordinance also repealed former Ch. 116, Stormwater Management, adopted 9-16-2003 by Ord. No. 2003-11.
Article I
General Provisions
chevron_right
§ 116-1
Short title.
chevron_right
§ 116-2
Statement of findings.
chevron_right
§ 116-3
Purpose.
chevron_right
§ 116-4
Statutory authority.
chevron_right
§ 116-5
Applicability.
chevron_right
§ 116-6
Exemptions and modified requirements.
chevron_right
§ 116-7
Repealer.
chevron_right
§ 116-8
Severability.
chevron_right
§ 116-9
Compatibility with other ordinances or legal requirements.
chevron_right
§ 116-10
Financial security.
chevron_right
§ 116-11
Waivers.
chevron_right
§ 116-12
Erroneous permit.
chevron_right
Article II
Definitions
chevron_right
§ 116-13
Interpretation.
chevron_right
§ 116-14
Definitions.
chevron_right
Article III
Stormwater Management Standards
chevron_right
§ 116-15
General requirements.
chevron_right
§ 116-16
Permit requirements by other governmental entities.
chevron_right
§ 116-17
Erosion and sediment control.
chevron_right
§ 116-18
Site design process.
chevron_right
§ 116-19
Water quality and runoff volume requirements.
chevron_right
§ 116-20
Infiltration requirements.
chevron_right
§ 116-21
Stream channel protection requirements.
chevron_right
§ 116-22
Stormwater peak rate control requirements.
chevron_right
§ 116-23
Calculation methodology.
chevron_right
§ 116-24
Other requirements.
chevron_right
§ 116-25
Other conveyance and system design standards.
chevron_right
Article IV
Stormwater Management (SWM) Site Plan Requirements
chevron_right
§ 116-26
General requirements.
chevron_right
§ 116-27
SWM site plan contents.
chevron_right
§ 116-28
SWM site plan submission.
chevron_right
§ 116-29
SWM site plan review.
chevron_right
§ 116-30
Revision of SWM site plans.
chevron_right
§ 116-31
Resubmission of inconsistent or noncompliant SWM site plans.
chevron_right
Article V
Performance and Inspection of Regulated Activities and Final As-Built Plans
chevron_right
§ 116-32
Performance and inspection of regulated activities.
chevron_right
§ 116-33
Final as-built plans.
chevron_right
Article VI
Fees and Expenses
chevron_right
§ 116-34
Thornbury Township SWM site plan review and inspection fees.
chevron_right
§ 116-35
Expenses covered by fees.
chevron_right
Article VII
Operation and Maintenance Responsibilities and Easements
chevron_right
§ 116-36
General requirements for protection, operation and maintenance of stormwater BMPs and conveyances.
chevron_right
§ 116-37
Operation and maintenance plans.
chevron_right
§ 116-38
Operation and maintenance agreements.
chevron_right
§ 116-39
Easements and deed restrictions.
chevron_right
§ 116-40
Other post-construction responsibilities.
chevron_right
§ 116-41
Inspection and BMP operation and maintenance requirements (landowner or owner's designee).
chevron_right
Article VIII
Prohibitions
chevron_right
§ 116-42
Prohibited discharges.
chevron_right
§ 116-43
Prohibited connections.
chevron_right
§ 116-44
Roof drains and sump pumps.
chevron_right
§ 116-45
Alteration of BMPs.
chevron_right
Article IX
Enforcement and Penalties
chevron_right
§ 116-46
Public nuisance.
chevron_right
§ 116-47
Right of entry.
chevron_right
§ 116-48
Enforcement.
chevron_right
§ 116-49
Suspension and revocation of permits and approvals.
chevron_right
§ 116-50
Penalties.
chevron_right
§ 116-51
Appeals.
chevron_right
§ 116-52
Effective date.
chevron_right