Browse all practice questions for the DEQ Stormwater Management Inspector Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

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  • What events require modifications to the Note in SWPPP?
  • How can improper storage of chemicals and fuels on a site contribute to stormwater pollution?
  • Which documents are typically reviewed during final site closeout to demonstrate compliance?
  • The DEQ conducts program reviews at what interval?
  • Name a post-construction BMP that reduces peak runoff and improves water quality.
  • Which of the following should be included in an outfall inspection report?
  • Which organization is focused on promoting healthy watersheds?
  • What must be done with hardened and liquid concrete waste?
  • Which statement best distinguishes temporary stabilization from permanent stabilization?
  • What is the maximum flow length of sheet flow from adjacent pervious areas?
  • When must construction record drawings be submitted?
  • When must the locality VSMP authority return or terminate any bonds or securities provided by the operator?
  • Which plan addresses post-construction runoff?
  • Which materials are acceptable for constructing a level spreader?
  • How often does the VSMP Authority conduct construction site inspections to verify compliance?
  • What is the significance of a stabilization certificate?
  • How deep should bottom soils be ripped for better infiltration?
  • What material is used on the sides of a bioretention area to separate the underdrain layer, with an overlap?
  • What is the purpose of post-construction stabilization and its timing relative to project completion?
  • Which of the following is a required method for handling concrete wash water?
  • Which action is NOT typically considered an enforcement action?
  • Which of the following is NOT one of the five common classes?
  • What is the final stabilization step in erosion and sediment control planning?
  • What is the first action in preparing the pre-treatment cells for bioretention?
  • Which of the following is listed as a penalty violation example?
  • What protection is required for all permeable areas in sediment control practice?
  • How can a field inspector ensure stabilization of disturbed areas within seven days of disturbance?
  • What is an outfall log and why is it important for DEQ reporting?
  • Which feature protects the spillway from erosion in an extended detention basin?
  • Which action corresponds to the third prior installation step for filter soil media?
  • Which plan is designed to control erosion and sediment during construction?
  • Where must the Notice of Coverage Letter be posted at a construction site?
  • Which is the design approach to minimize environmental impact during development?
  • Which statement about final permit closure documents and stabilization is correct?
  • Define illicit discharge in the context of stormwater management.
  • In MS4 operations, what is the primary goal of the Annual Inspection/Monitoring Program?
  • Which of the following is an example of a non-stormwater discharge that is often exempt from illicit discharge prohibitions?
  • What is a primary purpose of as-built (record) drawings in project closeout?
  • Which post-construction BMP involves vegetation to slow and treat runoff?
  • What should be included in an outfall inspection report?
  • Who is primarily responsible for verifying on-site BMP performance during construction?
  • What constitutes a complete BMP maintenance record?
  • Within how many days must permanent or temporary soil stabilization be applied to bare areas after final grade is reached?
  • What feature does an armored spillway primarily provide during high flows?
  • In IDDE investigations, what is one essential action to take immediately upon discovering a discharge?
  • CBPA stands for which act?
  • Why is recordkeeping important for DEQ inspections and what records should be retained?
  • Which category includes handling and disposal of wastes on site?
  • In design terms, an emergency spillway is sized to handle:
  • What impact does impervious cover have on water quality?
  • Which two plans in the SWPPP must be approved?
  • Simple rooftop connections are generally not advisable for residential lots with an area less than how many square feet?
  • Which property is not part of the initial soil test?
  • Which approach aims to reduce stormwater runoff and improve water quality in Virginia?
  • What does DEQ stand for?
  • Which regulatory framework governs most stormwater discharges from construction activities in Virginia?
  • Which sampling parameter is commonly measured in stormwater monitoring to indicate water quality improvement?
  • What is the primary function of an armored spillway?
  • BMP stands for which term?
  • Which materials can be used to construct check dams in grass channels?
  • Armored spillways are designed to do which of the following?
  • Which of the following is NOT an element of vegetated roof systems?
  • The purpose of an emergency spillway is to provide:
  • Where must the underdrain be installed for level one porous concrete?
  • If an erosion control fix requires more time than seven days, what is required to extend the deadline?
  • What is the first step in the prior installation steps for filter soil media (bioretention)?
  • Why is chain-of-custody documentation important for stormwater sampling?
  • DEQ conducts a program review at what interval?
  • In MS4 programs, street sweeping frequency is often higher in which areas?
  • Which of the following is an impervious surface example?
  • What is the maximum flow length of sheet flow from adjacent impervious areas?
  • Which is the correct sequence of construction in erosion and sediment control planning?
  • Who must seal and sign a construction record drawing, and when must it be submitted to the VSMP authority?
  • A stormwater outfall is discharging visibly to a stream during a rain event. What immediate action should you take?
  • What is the purpose of the initial soil test during the compost soil amendment process?
  • In construction site inspections, which criterion would indicate non-compliance with a permit's SWPPP requirements?
  • Why is outfall mapping important in an MS4 program?
  • What are the steps to convert a sediment basin to a wet pond?
  • Which BMP class focuses on preventing erosion by stabilizing exposed soils and surfaces during construction?
  • Which permit program regulates point source discharges into waters of the Commonwealth?
  • Which item is NOT typically a focus of the MS4 Annual Inspection/Monitoring Program?
  • How often should active construction sites be inspected for erosion and sediment control during active grading, according to typical DEQ expectations?
  • How often must qualified personnel inspect temporary stabilized areas?
  • Which properties are typically evaluated in the initial soil test for compost amendments?
  • What is the purpose of pre-filtration in rainwater harvesting?
  • How long does it take to fully establish a vegetated roof?
  • What is the minimum recommended filter media depth for Level 2 Bioretention Filter and Basin?
  • Which document provides the legally binding requirements for erosion and sediment control in Virginia and is administered by the DEQ?
  • During construction site inspections by the VSMP Authority, which plans are checked for compliance?
  • Which statement best differentiates construction site erosion controls from post-construction stormwater controls?
  • Which of the following is included as one of the five common classes of BMPs for erosion and sediment control?
  • How should you determine the appropriate BMP for a site’s slope and soils?
  • Which legal instrument provides a VSMP inspector access to property for conducting post-construction inspections?
  • Which feature handles overflow in an extended detention basin?
  • What is an illicit discharge detection and elimination (IDDE) program and what are its key components?
  • The Chesapeake Bay Preservation Act (CBPA) is legislation aimed at protecting and restoring what?
  • What action should an inspector take if a BMP issue is observed during rainfall?
  • When performing an inspection, what is the first step you should take upon arrival at a construction site?
  • What is the recommended seam overlap for geotextile fabric on the sides of a bioretention area?
  • What is the primary objective of stormwater management under DEQ regulations?
  • Which is an example of an infiltration practice?
  • What are the required dimensions for a gravel diaphragm trench, and what must be placed between the gravel and the underlying soil trench?
  • Which of the following describes what must be included in the General Information in SWPPP?
  • Which statement best describes the relationship between imperviousness and stream degradation risk?
  • For Level 2 Constructed Wetland, the flow path ratio should be at least?
  • Which of the following would most likely be found in an extended detention basin as a sediment management feature?
  • Temporary stabilization timing for bare areas that may not reach final grade but will remain dormant longer than 14 days is to be applied within how many days?
  • During construction, which perimeter protection measure is recommended to prevent sediment discharge?
  • Which statement correctly describes an emergency spillway?
  • What is the purpose of a post-construction maintenance agreement?
  • How does the rate of runoff change after development?
  • Which items are required by the Virginia construction stormwater permit framework?
  • What is the purpose of as-built drawings in stormwater management?
  • Which statement about armored spillways is true?
  • Which act governs Virginia stormwater management?
  • During a major storm when the main outlet capacity is exceeded, how does the emergency spillway function?
  • Which statement describes the requirement for support areas under the GP?
  • What is the minimum length of the engineered level spreader lip per unit inflow?
  • Which acronym corresponds to Environmental Site Design?
  • Which program regulates erosion and sediment control in Virginia?
  • Which statement describes the difference between a plan reviewer and a field inspector in stormwater management?
  • What is the maximum slope for Level 1 (Dry) Swale?
  • What is the typical maximum slope percentage for a Wet Swale?
  • Which of the following must be included in a SWPPP?
  • What is a structural BMP and provide two examples?
  • Which statement best describes temporary erosion controls compared with post-construction controls?
  • Which pollutant is primarily targeted by sediment controls in runoff?
  • Which permit in Virginia governs discharges from active earth-disturbing activities and requires a SWPPP?
  • What is the incremental thickness for soil media installation in bioretention?
  • Permanent vegetation is considered established when which condition is met?
  • What is the minimum width of a gravel diaphragm trench?
  • What is the purpose of a sediment control measure such as a silt fence around a disturbed area?
  • Which pollutants are commonly elevated due to stormwater runoff from impervious surfaces?
  • What is the maximum amount of a pollutant a water body can receive and still meet water quality standards?
  • Which of the following is an enforcement action that a DEQ or local agency might take for noncompliance?
  • What is the primary purpose of a Sediment Forebay?
  • What destructive forces does the SWM regulation protect against?
  • Where must vegetated emergency spillways be constructed?
  • How long must the Locality VSMP Authority Registration Statement be documented and retained after project completion or permit termination?
  • Which term stands for a toxic chemical compound once used in electrical equipment?
  • Which statement about risers is true?
  • Which statement best describes why stabilization BMPs are used on active construction sites?
  • How long must the VSMP authority keep inspection reports after permit termination?
  • Which option best describes a riser's role in stormwater structures?
  • What is meant by 'permanent stabilization' in a construction project?
  • What is the required timeline to fix an improperly installed erosion control practice after discovery?
  • Which statement best describes a post-construction BMP?
  • What thickness of choker/pea gravel is used as a filter between the underdrain and the soil media layer in bioretention?
  • In a compost-amended soil area, at what size should erosion control measures such as silt fences be used to reduce erosion and trap sediment?
  • Maximum Penalty under the Stormwater Act
  • What is the purpose of the stone jacket layer in a bioretention system?
  • What is the role of the permit framework's combination of SWPPP, ESC, and BMPs?
  • Which of the following is NOT typically considered a permanent post-construction BMP?
  • Which acronym stands for the Center for Watershed Protection?
  • How do sediment controls affect total suspended solids (TSS) in runoff?
  • What is the purpose of a riser in stormwater management?
  • What is the second prior installation step for filter soil media (bioretention)?
  • Emergency spillways are designed to provide an overflow path for stormwater during extreme events to prevent:
  • A riser is used to control the water level within which types of stormwater management structures?
  • What methods can inspectors use to evaluate BMP effectiveness?
  • Which of the following lists three permanent stormwater BMPs commonly required for post-construction sites?
  • If support activity areas are covered under the construction GP, what must the SWPPP include?
  • Which of the following are pretreatment options for small-scale infiltration?
  • What is the minimum distance to plant trees beyond the embankment toe and abutment contacts?
  • For how long must the Locality VSMP Authority Registration Statement be retained after project completion or permit termination?
  • Temporary stabilization must be applied to bare areas that may not be at final grade but will remain dormant for longer than 14 days within how many days?
  • What must a locality's ordinance require for submission and approval?
  • Which acronym stands for Total Maximum Daily Load?
  • VAMP stands for which program?
  • The stormwater management plan addresses runoff during construction or after?
  • Which acronym represents the Virginia Runoff Reduction Method?
  • In a storage basin, a riser primarily functions to:
  • How should a field inspector handle a discrepancy between observed BMPs and what is shown on the project plan?
  • What is the purpose of rainfall data in planning and inspecting stormwater BMPs?
  • Which of the following is NOT a part of an extended detention basin?
  • How is street sweeping frequency typically determined in MS4 programs?
  • What is the target pollutant in the water quality criteria?
  • How does the DEQ evaluate compliance during an inspection?
  • Between the gravel and the underlying soil trench, what material should be placed?
  • Which term refers to practices to prevent soil erosion and sediment runoff?
  • Which acronym corresponds to the Virginia Stormwater Management Act?
  • What is the role of the inspector in preventing illicit discharges from a facility's operations?
  • Which feature would most likely be found in an extended detention basin as a sediment management feature?
  • Does the SWPPP have to contain control measures for support activity areas?
  • Under a DEQ NOV, which conditions typically trigger corrective actions?
  • Which description about armored spillways is correct?
  • What is the lower limit of imperviousness that can result in stream degradation?
  • Which of the following is not used to protect storm drains and minimize sediment leaving the site?
  • What distinguishes the Virginia construction general permit from the post-construction stormwater permit?
  • Which method is permitted to make the SWPPP available to the public?
  • Which action best describes how to perform an outfall inspection?
  • When a filtering practice is used as a sediment basin during construction, how should its bottom elevation compare to the sediment trap bottom?
  • What is the purpose of outlet protection on sediment basins?
  • What is the purpose of a site map/narrative in a SWPPP?
  • What do as-built drawings document?
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