Chapter 790. Sewage Collection and Treatment RegulationsRead Chapter
- Part I.Read allProcedural Regulations
- Article 1.Read allDefinitions and Terms
- Section 10
- Definitions
- Article 2.Read allProcedures
- Section 20
- Compliance with the Administrative Process Act
- Section 30
- Extent
- Section 40
- Variances
- Section 50
- CTCs and CTOs
- Section 60
- CTC and CTO waivers
- Section 70
- Reliability classification
- Section 80
- CTC procedures
- Section 90
- CTC application
- Section 100
- Preliminary engineering conference
- Section 110
- Preliminary engineering proposal
- Section 120
- Construction drawings (plans)
- Section 130
- Specifications
- Section 140
- Operation and maintenance manuals
- Section 150
- Sludge management plans
- Section 160
- Formal requirements for the submission of engineering data
- Section 170
- Processing of plans, specifications and other engineering documents
- Section 180
- CTC
- Section 190
- CTO
- Section 200
- CTO modifications or revocation actions
- Section 210
- Nonconventional methods, processes or equipment
- Section 220
- Local review for sewerage systems
- Section 230
- Compliance with Part II (9VAC25-790-260 et seq.--Operational Regulations) of this chapter
- Section 240
- Compliance with Part III (9VAC25-790-310 et seq.--Manual of Practice) of this chapter
- Section 250
- Sewage Collection and Treatment Advisory Committee
- Part II.Read allOperational Regulations
- Article 1.Read allMonitoring
- Section 260
- Influent and effluent monitoring
- Section 270
- Operational testing and control
- Section 280
- Land based monitoring system
- Article 2.Read allOperation and Maintenance Manuals
- Section 290
- Manuals
- Article 3.Read allRequirements for Sewerage Systems and Treatment Works Reliability
- Section 300
- Reliability
- Part III.Read allManual of Practice for Sewerage Systems and Treatment Works
- Article 1.Read allCollection and Conveyance Sewers
- Section 310
- Design factors
- Section 320
- Design details
- Section 330
- Construction details
- Section 340
- Vacuum sewage system
- Section 350
- Manholes
- Section 360
- Water quality and public health and welfare protection
- Section 370
- System access
- Article 2.Read allSewage Pump Stations
- Section 380
- Sewage pumping
- Section 390
- Reliability
- Section 400
- Pumping equipment
- Section 410
- Portable equipment and diversions
- Section 420
- Alarm systems
- Section 430
- Alternatives
- Section 440
- Force mains
- Article 3.Read allSewage Treatment Works
- Section 450
- Treatment works design
- Section 460
- Standards
- Section 470
- Treatment works details
- Section 480
- Treatment works outfalls
- Section 490
- Reliability protection
- Article 4.Read allPreliminary Processes
- Section 500
- Screening
- Section 510
- Grit removal facilities
- Section 520
- Pre-aeration
- Section 530
- Clarifiers
- Article 5.Read allSludge Processing and Management
- Section 540
- Sludge stabilization
- Section 550
- Anaerobic digestion
- Section 560
- Aerobic sludge digestion
- Section 570
- Composting
- Section 580
- Heat treatment
- Section 590
- Chemical treatment
- Section 600
- Sludge thickening
- Section 610
- Sludge dewatering
- Section 620
- Sludge drying beds
- Section 630
- Filtration
- Section 640
- Centrifuges
- Section 650
- Sludge pumping
- Section 660
- Sludge management
- Article 6.Read allBiological Treatment
- Section 670
- Attached growth processes
- Section 680
- Rotating biological contactors
- Section 690
- Suspended growth (activated sludge) process
- Section 700
- Oxidation ditches
- Section 710
- Sequencing batch reactors (SBR)
- Section 720
- Sewage stabilization ponds and aerated lagoons
- Section 730
- Aerated lagoons
- Article 7.Read allEffluent Polishing and Disinfection Processes
- Section 740
- Disinfection
- Section 750
- Chlorination
- Section 760
- Bromochlorination
- Section 770
- Ultraviolet light irradiation (UV)
- Section 780
- Ozonation
- Section 790
- Other disinfection methods
- Section 800
- Dechlorination
- Section 810
- Polishing ponds
- Section 820
- Postaeration
- Article 8.Read allAdvanced Treatment
- Section 830
- Flow equalization
- Section 840
- Chemical treatment
- Section 850
- Chemical clarification
- Section 860
- Filtration
- Article 9.Read allNatural Treatment
- Section 870
- Conventional alternatives
- Section 880
- Land treatment
- Section 890
- Constructed wetlands
- Article 10.Read allNutrient Control
- Section 900
- Nutrient reduction
- Section 910
- Biological nitrification
- Section 920
- Ammonia stripping
- Section 930
- Ion exchange
- Part IV.Read allReports and Forms
- Article 1.Read allReports
- Section 940
- Preliminary Engineering Report
- Section 950
- Contents for an operation and maintenance manual
- Section 960
- Influent and effluent sampling
- Section 970
- Operational testing and control
- Section 980
- Factors for oxygen transfer
- Article 2.Read allForms and Agreements
- Section 990
- Portable equipment for sewage pump stations
- Section 1000
- General jurisdictional responsibilities for sewerage systems connections