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Virginia Administrative Code
Title 4. Conservation and Natural Resources
Agency 50. Virginia Soil and Water Conservation Board
12/16/2018

Chapter 20. Impounding Structure RegulationsRead Chapter

Section 10
Authority
Section 20
General provisions
Section 30
Definitions
Section 40
Hazard potential classifications of impounding structures
Section 45
Hazard potential classifications based on low volume roadways.
Section 50
Performance standards required for impounding structures
Section 51
Special criteria for certain low hazard impounding structures
Section 52
Incremental damage analysis
Section 53
Special criteria for reduced SDF requirement for certain high hazard dams
Section 54
Dam break inundation zone mapping
Section 58
Local government notifications
Section 59
Reporting
Section 60
Required permits
Section 70
Construction permits
Section 80
Alterations permits
Section 90
Transfer of permits
Section 100
[Repealed]
Section 101
General permit requirements for low hazard potential impounding structures
Section 102
Registering for coverage under the general permit for low hazard potential impounding structures
Section 103
Transitioning from regular or conditional certificates to general permit coverage for low hazard potential impounding structures
Section 104
Maintaining general permit coverage for low hazard potential impounding structures
Section 105
Regular Operation and Maintenance Certificates
Section 110
[Repealed]
Section 120
[Repealed]
Section 125
Delayed effective date for Spillway Design Flood requirements for impounding structures
Section 130
[Repealed]
Section 140
[Repealed]
Section 150
Conditional operation and maintenance certificate
Section 155
Extension of Operation and Maintenance Certificates
Section 160
Additional operation and maintenance requirements
Section 165
Agricultural exemption
Section 170
Transfer of certificates
Section 175
Emergency Action Plan (EAP) for High and Significant Hazard Potential impounding structures
Section 177
Emergency Preparedness Plan for Low Hazard impounding structures
Section 180
Inspections
Section 190
Right to informal fact-finding proceeding or hearing
Section 195
Judicial review
Section 200
Enforcement
Section 210
Consulting committee
Section 220
Unsafe conditions
Section 230
Complaints
Section 240
Design of structures
Section 250
[Repealed]
Section 260
Spillway design
Section 270
Principal spillways and outlet works
Section 280
Drain requirements
Section 290
Life of the impounding structure
Section 300
Additional design requirements
Section 310
Plans and specifications
Section 320
Acceptable design procedures and references
Section 330
Other applicable dam safety references
Section 340
Authority to establish fees
Section 350
Fee submittal procedures
Section 360
Fee exemptions
Section 370
Construction Permit application fees
Section 375
Fee for coverage under the general permit for low hazard impounding structures
Section 380
Regular Operation and Maintenance Certificate application fees
Section 390
Conditional Operation and Maintenance Certificate application fees
Section 395
Simplified dam break inundation zone analysis fee
Section 400
Incremental Damage Analysis review fees
DIBR
DOCUMENTS INCORPORATED BY REFERENCE (4VAC50-20)

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