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Borough of Downingtown, PA
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2023-03-01
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Part II: General Legislation
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Chapter 246 Stormwater Management
Part I: Administrative Legislation
Ch 1
General Provisions
Ch 4
Appeals, Board of Administrative
Ch 15
Citizen Advisory Committees
Ch 16
Civil Service Commission
Ch 24
Fire Department
Ch 28
Firemen's Relief Association
Ch 30
Fiscal Management
Ch 32
Funds
Ch 36
(Reserved)
Ch 39
Historic Commission
Ch 40
Human Relations Committee
Ch 43
Intermunicipal Agreements
Ch 52
Officers and Employees
Ch 53
Parks and Recreation Commission
Ch 57
Pensions and Other Benefits
Ch 61
Planning Commission
Ch 65
Police Department
Ch 69
(Reserved)
Ch 71
Regional Authority
Ch 76
Salaries and Compensation
Ch 80
Shade Tree Commission
Ch 86
Water Authority
Part II: General Legislation
Ch 94
Alarms, Automatic Protection
Ch 97
Alcoholic Beverages
Ch 109
(Reserved)
Ch 113
(Reserved)
Ch 114
Neighborhood Blight Protection
Ch 118
Checks, Returned
Ch 119
(Reserved)
Ch 120
Construction Codes, Uniform
Ch 121
Contractors, Licensing of
Ch 123
Curfew
Ch 127
Disease Control
Ch 131
Dogs and Other Animals
Ch 133
Dumpsters and Storage Pods
Ch 139
Fees
Ch 143
Firearms
Ch 146
Fire Prevention
Ch 148
Fireworks
Ch 150
Floodplain Management
Ch 152
(Reserved)
Ch 156
(Reserved)
Ch 160
Handbills and Posters
Ch 164
(Reserved)
Ch 173
Mass Gatherings
Ch 175
(Reserved)
Ch 179
All-Terrain Vehicles and Dirt Bikes
Ch 181
Mobile Home Parks
Ch 181A
Municipal Claims and Liens
Ch 182
Noise
Ch 183
No-Parking Zones
Ch 187
Nuisances
Ch 195
Parades
Ch 199
Parking, Residential Permit
Ch 203
Parks and Playgrounds
Ch 207
Peace and Good Order
Ch 211
Peddling and Soliciting
Ch 215
(Reserved)
Ch 219
Poles, Utility
Ch 222
Property Maintenance and Housing Standards
Ch 223
Residential Certificates of Compliance
Ch 230
(Reserved)
Ch 235
Sewers
Ch 239
Shopping Carts
Ch 243
Solid Waste Collection and Recycling
Ch 245
Storm Sewer System
Ch 246
Stormwater Management
Ch 246 Art I
General Provisions
§ 246-101
Short title.
§ 246-102
Statement of findings.
§ 246-103
Purpose.
§ 246-104
Statutory authority.
§ 246-105
Applicability.
§ 246-106
Exemptions and modified requirements.
§ 246-107
Repealer.
§ 246-108
Severability.
§ 246-109
Compatibility with other ordinances or legal requirements.
§ 246-110
Financial security.
§ 246-111
Waivers.
§ 246-112
Erroneous permit.
Ch 246 Art II
Definitions
§ 246-201
Interpretation.
§ 246-202
Definitions.
Ch 246 Art III
Stormwater Management Standards
§ 246-301
General requirements.
§ 246-302
Permit requirements by other governmental entities.
§ 246-303
Erosion and sediment control.
§ 246-304
Site design process.
§ 246-305
Water quality and runoff volume requirements.
§ 246-306
Infiltration requirements.
§ 246-307
Stream channel protection requirements.
§ 246-308
Stormwater peak rate control requirements.
§ 246-309
Calculation methodology.
§ 246-310
Other requirements.
§ 246-311
Other conveyance and system design standards.
Ch 246 Art IV
Stormwater Management (SWM) Site Plan Requirements
§ 246-401
General requirements.
§ 246-402
SWM site plan contents.
§ 246-403
SWM site plan submission.
§ 246-404
SWM site plan review.
§ 246-405
Revision of SWM site plans.
§ 246-406
Resubmission of inconsistent or noncompliant SWM site plans.
Ch 246 Art V
Performance and Inspection of Regulated Activities; Final As-Built Plans
§ 246-501
Performance and inspection of regulated activities.
§ 246-502
Final as-built plans.
Ch 246 Art VI
Fees and Expenses
§ 246-601
Municipality SWM site plan review and inspection fees.
§ 246-602
Expenses covered by fees.
Ch 246 Art VII
Operation and Maintenance (O&M) Responsibilities and Easements
§ 246-701
General requirements for protection, operation and maintenance of stormwater BMPs and conveyances.
§ 246-702
Operation and maintenance plans.
§ 246-703
Operation and maintenance agreements.
§ 246-704
Easements and deed restrictions.
§ 246-705
Other post-construction responsibilities.
§ 246-706
Inspection and BMP operation and maintenance requirements (landowner or owner's designee).
Ch 246 Art VIII
Prohibitions
§ 246-801
Prohibited discharges.
§ 246-802
Prohibited connections.
§ 246-803
Roof drains and sump pumps.
§ 246-804
Alteration of BMPs.
Ch 246 Art IX
Enforcement and Penalties
§ 246-901
Public nuisance.
§ 246-902
Right of entry.
§ 246-903
Enforcement.
§ 246-904
Suspension and revocation of permits and approvals.
§ 246-905
Violations and penalties.
§ 246-906
Appeals.
§ 246-907
Effective date.
Ch 247
Street Address Numbers
Ch 249
Streets and Sidewalks
Ch 256
Subdivision of Land
Ch 260
(Reserved)
Ch 264
Taxation
Ch 270
Trees
Ch 274
Vehicles and Traffic
Ch 277
(Reserved)
Ch 281
Water
Ch 287
Zoning
Appendix
Ch A291
Cable Television Franchise
Ch A292
Ordained Streets
Ch A293
Boot Road Landscape Criteria
Disposition List
Ch DL
Disposition List
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Chapter 246
Stormwater Management
[HISTORY: Adopted by the Borough Council of the Borough of Downingtown
3-1-2023
by
Ord. No. 2023-01
.
[1]
Amendments noted where applicable.]
ATTACHMENTS
Attachment 1 - Appendix A: Simplified Approach to Stormwater Management for Small Projects
Attachment 2 - Appendix B: Conservation Design and Low Impact Development Site Design
Attachment 3 - Appendix C: Runoff Coefficients and Curve Numbers
Attachment 4 - Appendix D: West Nile Virus Design Guidance
Attachment 5 - Appendix E: Stormwater BMP and Conveyances O and M Agreement
[1]
Editor's Note: This ordinance also superseded former Ch. 246, Stormwater Management, adopted
12-4-2013
by
Ord. No. 2013-09
.
Article I
General Provisions
chevron_right
§ 246-101
Short title.
chevron_right
§ 246-102
Statement of findings.
chevron_right
§ 246-103
Purpose.
chevron_right
§ 246-104
Statutory authority.
chevron_right
§ 246-105
Applicability.
chevron_right
§ 246-106
Exemptions and modified requirements.
chevron_right
§ 246-107
Repealer.
chevron_right
§ 246-108
Severability.
chevron_right
§ 246-109
Compatibility with other ordinances or legal requirements.
chevron_right
§ 246-110
Financial security.
chevron_right
§ 246-111
Waivers.
chevron_right
§ 246-112
Erroneous permit.
chevron_right
Article II
Definitions
chevron_right
§ 246-201
Interpretation.
chevron_right
§ 246-202
Definitions.
chevron_right
Article III
Stormwater Management Standards
chevron_right
§ 246-301
General requirements.
chevron_right
§ 246-302
Permit requirements by other governmental entities.
chevron_right
§ 246-303
Erosion and sediment control.
chevron_right
§ 246-304
Site design process.
chevron_right
§ 246-305
Water quality and runoff volume requirements.
chevron_right
§ 246-306
Infiltration requirements.
chevron_right
§ 246-307
Stream channel protection requirements.
chevron_right
§ 246-308
Stormwater peak rate control requirements.
chevron_right
§ 246-309
Calculation methodology.
chevron_right
§ 246-310
Other requirements.
chevron_right
§ 246-311
Other conveyance and system design standards.
chevron_right
Article IV
Stormwater Management (SWM) Site Plan Requirements
chevron_right
§ 246-401
General requirements.
chevron_right
§ 246-402
SWM site plan contents.
chevron_right
§ 246-403
SWM site plan submission.
chevron_right
§ 246-404
SWM site plan review.
chevron_right
§ 246-405
Revision of SWM site plans.
chevron_right
§ 246-406
Resubmission of inconsistent or noncompliant SWM site plans.
chevron_right
Article V
Performance and Inspection of Regulated Activities; Final As-Built Plans
chevron_right
§ 246-501
Performance and inspection of regulated activities.
chevron_right
§ 246-502
Final as-built plans.
chevron_right
Article VI
Fees and Expenses
chevron_right
§ 246-601
Municipality SWM site plan review and inspection fees.
chevron_right
§ 246-602
Expenses covered by fees.
chevron_right
Article VII
Operation and Maintenance (O&M) Responsibilities and Easements
chevron_right
§ 246-701
General requirements for protection, operation and maintenance of stormwater BMPs and conveyances.
chevron_right
§ 246-702
Operation and maintenance plans.
chevron_right
§ 246-703
Operation and maintenance agreements.
chevron_right
§ 246-704
Easements and deed restrictions.
chevron_right
§ 246-705
Other post-construction responsibilities.
chevron_right
§ 246-706
Inspection and BMP operation and maintenance requirements (landowner or owner's designee).
chevron_right
Article VIII
Prohibitions
chevron_right
§ 246-801
Prohibited discharges.
chevron_right
§ 246-802
Prohibited connections.
chevron_right
§ 246-803
Roof drains and sump pumps.
chevron_right
§ 246-804
Alteration of BMPs.
chevron_right
Article IX
Enforcement and Penalties
chevron_right
§ 246-901
Public nuisance.
chevron_right
§ 246-902
Right of entry.
chevron_right
§ 246-903
Enforcement.
chevron_right
§ 246-904
Suspension and revocation of permits and approvals.
chevron_right
§ 246-905
Violations and penalties.
chevron_right
§ 246-906
Appeals.
chevron_right
§ 246-907
Effective date.
chevron_right