Non-Point Source Pollution Envirothon Practice Test

These questions are part of the practice quiz. Start practicing

• How can stakeholder engagement contribute to successful non-point source pollution management?
• What concept describes coordinated management across a drainage area to address nonpoint source pollution?
• Which term is typically used as an example of an Urban BMP?
• What term describes pollution from diffuse, widespread sources carried by runoff?
• What metric is a key predictor of watershed health?
• Which monitoring activity targets nutrients such as nitrogen and phosphorus?
• Which nitrogen cycle processes govern nitrogen forms in aquatic ecosystems?
• How do cover crops reduce pollution?
• What term describes the concept that physical and biological characteristics of a river change from headwaters to mouth?
• Which skill uses aerial imagery to identify parking lots, fields, erosion sites?
• What is the main pathway transporting nonpoint source pollutants to surface waters?
• Which provision requires states to identify impaired waters and develop TMDLs?
• How does Section 319 of the Clean Water Act relate to non-point source pollution?
• Which term describes a measure of an individual's overall impact on the environment, including water pollution?
• What is the primary goal of non-point source pollution management?
• What is the primary purpose of implementing green roofs as BMPs in urban areas?
• What is the maximum pollutant load a water body can receive and still meet standards called?
• Which statement best describes the role of chain-of-custody documentation in sampling?
• Which term best describes pollution arising from diffuse, widespread sources rather than a single discharge point?
• Shallow vegetated depression that captures and infiltrates stormwater corresponds to which term?
• Which statement accurately identifies nutrient loss reduction practices on farms?
• What term describes an area of land where all water drains to a common outlet?
• Which substance is most directly associated with non-point source pollution from agricultural fertilizer and manure application?
• EPA provides funding and technical guidance. How is this described?
• What does the Universal Soil Loss Equation (USLE/RUSLE) estimate to guide erosion control?
• Which category includes nutrients (N & P), pathogens, heavy metals, hydrocarbons, pesticides, and trash as common nonpoint source pollutants?
• How do urban hydrology and stormwater runoff contribute to non-point pollution beyond nutrients?
• Which of the following best describes pollutant load?
• Which of the following is an example of a BMP applicable in urban areas?
• Runoff carrying oil, tire particles, metals, and lawn chemicals is best described as which type of runoff?
• What best describes an infiltration basin and when is it preferred over detention ponds?
• What is the primary environmental consequence of urban expansion on stormwater?
• Public participation in scientific monitoring is commonly known as what?
• Phosphorus is often more limiting in freshwater systems because which statement is correct?
• Which of the following is a water quality indicator?
• Which NOT among the four common land-use activities that contribute non-point source pollution?
• Implements water quality programs and monitoring. Which term describes this role?
• Which practice is a common BMP to reduce sediment delivery from agricultural fields?
• What is the term for the benefit of increased awareness and data collection capacity resulting from public involvement?
• Which concept increases public awareness and data collection capacity through involvement?
• Which term best matches the description: A program where communities organize cleanups, educate the public, and promote green infrastructure?
• Which surface prevents water infiltration, such as roads, roofs, and parking lots?
• What is a hot-spot assessment in the context of non-point source pollution?
• Which concept describes analyzing how water travels from land to streams within a landscape?
• Excess nitrogen and phosphorus entering water bodies is known as which type of pollution?
• What does chlorophyll-a indicate when used as a proxy in watershed nutrient assessments?
• What is the role of vegetation in reducing non-point pollution in urban areas?
• Which process affects nitrogen availability by converting organic nitrogen into ammonium?
• What community effort focuses on labeling drains to indicate they drain to waterways?
• What structure is used to temporarily store stormwater runoff?
• Which of the following lists represents daily activities contributing to nonpoint source pollution?
• Which section provides funding to address non-point source pollution?
• Which cycle involves the movement of water through evaporation, condensation, precipitation, infiltration, and runoff?
• What monitoring approaches are commonly used to assess non-point source pollution in streams?
• Which process converts nitrate to nitrogen gas in the nitrogen cycle?
• Which of the following are examples of stormwater retrofit techniques?
• Which BMP category is defined by education, policy changes, and behavior modification?
• Which is an Urban BMP example?
• In a BMP effectiveness study, what indicators would you measure to evaluate sediment control?
• What is a stormwater retrofit?
• How can rainfall patterns influence erosion risk?
• What is a treatment train in watershed planning?
• Which term describes pollution discharged from a single identifiable source such as a pipe?
• Which is a common example of a Structural BMP?
• How do rain gardens reduce pollution?
• Excess nutrient enrichment causing algal blooms and oxygen depletion is known as which process?
• Which term describes water quality degradation due to large amounts of sediment suspended?
• Collaboration between government and businesses to address pollution is termed what?
• A site assessment should evaluate which combination of features?
• What effect does impervious cover have on runoff and NPS pollutant loads?
• What term describes low dissolved oxygen levels that are harmful to aquatic life?
• Explain the role of soil health in reducing non-point source pollution.
• Point sources are permitted; NPS sources are largely managed through programs and BMPs. How are they generally regulated?
• Explain how climate change can exacerbate non-point source pollution.
• Why does application timing influence pesticide transport to surface waters?
• Field observation of erosion, buffers, and pollution sources uses which method?
• Distinguish erosion types. Which statement correctly distinguishes sheet erosion, rill erosion, and gully erosion?
• A rural field's runoff carrying manure and fertilizers is best categorized as which runoff type?
• A Detention Basin is an example of which BMP category?
• Which statement best describes Best Management Practices (BMPs) and which of the following are suitable examples in urban areas?
• Which description best explains a riparian buffer and its role in pollution reduction?
• Which term refers to a vegetated area along streams filtering runoff?
• What is a Total Maximum Daily Load (TMDL) and how do non-point sources factor into it?
• Which description best defines a riparian buffer and its effect on non-point pollution?
• What is the primary regulatory purpose of TMDLs?
• Which agricultural change raises the risk of nutrient runoff by increasing fertilizer and manure application?
• Which parameter directly describes water opacity due to suspended solids?
• Which land-use change typically increases runoff volume and pollutant loading?
• What term means water flowing over the land surface toward streams?
• What is a primary goal of BMPs in stormwater management?
• Which item is considered a feasibility factor when selecting BMPs?
• Runoff carrying sediment, manure, fertilizers, and pesticides is best described as which type of runoff?
• Which term best describes practices used to reduce nonpoint source pollution?
• Which nutrients are emphasized in the nutrient cycle?
• Which pair of measurements directly indicates nutrient loading in a watershed?
• Eutrophication is driven by non-point source inputs of which nutrients?
• How can watershed planning integrate multiple BMPs to achieve pollutant load reductions?
• What is the role of sediment in non-point source pollution and what ecological impacts does it cause?
• Diffuse sources and variable storm events make measurement difficult. Which phrase best captures this challenge?
• Among different land uses, which tends to produce the highest runoff?
• Which basin holds water permanently or long-term?
• Which statement accurately reflects runoff differences among land uses?
• Car washing in the driveway is known to do what?
• How do wetlands contribute to mitigating non-point source pollutants?
• An Agricultural BMP example is which of the following?
• Name the type of collaboration that brings together government and private companies to tackle pollution?
• Which pollutant process is most directly associated with dead zones due to nutrient overload?
• Which urban planning metric is commonly targeted to improve watershed health?
• Which set of parameters is typically used to monitor non-point source pollution in streams?
• Intended uses such as drinking water, recreation, fisheries, and aquatic life habitat are described as which term?
• Bacteria indicating fecal contamination are measured by which indicator?
• What is the federal law regulating water pollution in the United States?
• Which practice best promotes infiltration and sediment capture in a riparian buffer?
• Which cycle describes the movement of nitrogen and phosphorus through ecosystems?
• Pet waste impact on waterways is best described as introducing what?
• Which type of pavement allows water to infiltrate?
• Which BMP involves placing vegetation between cropland and water bodies to trap sediment and nutrients?
• Which factor is not typically considered when selecting BMPs for an agricultural watershed?
• Which process describes water moving across the land surface toward streams after rainfall?
• What is a nutrient management plan (NMP) and what practices might it include?
• What factors are evaluated in the field protocol for NPS assessment?
• Disease-causing organisms in water, such as E. coli, are categorized as which pollutant type?
• Organizing cleanups, installing rain gardens, and educating the public are examples of what?
• What community practice involves capturing and infiltrating stormwater?
• Measuring nitrogen and phosphorus concentrations is called what?
• Given a watershed area of 2 square kilometers, rainfall of 25 mm, and runoff coefficient of 0.35, calculate the runoff volume in cubic meters?
• What term describes a practice designed to reduce pollutant runoff?
• What is the primary difference between detention ponds and retention ponds in stormwater management?
• Which term describes a strip of vegetation that slows runoff and filters pollutants?
• Excess soil particles suspended in water are referred to as what?
• Besides aesthetic concerns, how can high turbidity affect aquatic ecosystems?
• Which process describes ammonia to nitrate conversion in the nitrogen cycle?
• Which land-use category is typically associated with moderate runoff due to lawns and pavement?
• What is the primary function of a vegetative buffer?
• What is the difference between pollutant concentration and pollutant load, and why do both matter in non-point source assessments?
• Which statement best describes pesticides and their aquatic effects commonly discussed in runoff contexts?
• Which factor increases impervious surfaces and waste production, thereby impacting nonpoint source pollution?
• What are major pathways by which phosphorus moves from soils to streams in non-point source pollution?
• Daily activities such as fertilizer use and pet waste contribute to nonpoint source pollution by introducing which into waterways?
• Actions such as reducing fertilizer use, picking up pet waste, and maintaining septic systems illustrate which concept?
• Which monitoring approach can provide continuous real-time measurements of water quality parameters such as dissolved oxygen, pH, and temperature?
• Coordinated efforts across an entire drainage area describe which concept?
• Which BMP category is noted for higher initial costs?
• Which statement best describes baseflow's influence on pollutant transport?
• Which statement best describes an impervious surface?
• Which practice directly promotes groundwater recharge?
• Which cycle describes the movement of carbon among the atmosphere, biosphere, hydrosphere, and geosphere?
• How do runoff coefficients affect pollutant loads in a watershed?
• In an urban area, oil leaks and lawn chemicals entering a creek are best categorized as which runoff type?
• Which term refers to a process in which residents participate in data collection and scientific observation?
• Which statement correctly identifies the carbon cycle?
• What is a Riparian Buffer?
• What are included in BMP selection criteria?
• What is an example of BMP selection criteria?
• What is a bioswale and how does it help manage non-point pollution?
• Tracking runoff pathways to receiving waters is best described by which technique?
• Which mapping activity identifies land uses and drainage patterns?
• A volunteer activity where participants remove trash from waterways is called what?
• Which statement about regulatory characteristics distinguishes non-point sources from point sources?
• What does the comparison of BMP costs indicate?
• Which of the following is NOT listed as a water quality parameter typically used to monitor non-point source pollution in streams?
• What does photo documentation capture?
• Which factors influence BMP choice?
• USLE stands for Universal Soil Loss Equation and is used to estimate long-term soil loss. What is the acronym USLE standing for?
• Which bacteria indicator is commonly used to assess potential fecal contamination in water?
• Describe how USLE differs from RUSLE and their uses in non-point source planning.
• What combination of processes do wetlands use to remove pollutants and store floodwater?
• A Voluntary approach to non-point source pollution commonly relies on which tools?
• Disease-causing organisms such as E. coli are categorized as what?
• Which statement about detention ponds is true?
• Provide two design considerations for riparian buffers to maximize pollutant removal.
• Which factors influence pesticide transport from agricultural fields to surface waters?
• What does a site assessment checklist evaluate?
• What is QA/QC in water quality sampling and why is it important?
• Stormwater hot spots are defined as which of the following?
• Which statement best describes Non-structural BMPs?
• What does dissolved oxygen indicate in assessing non-point source pollution impacts?
• Plants grown to protect soil between main crops describes which term?
• What is baseflow in a stream and how can it influence pollutant transport?
• Which statement describes non-point source pollution?
• Incentive-based programs encouraging BMP adoption illustrate which management approach?
• What factors should be considered when selecting BMPs for an agricultural watershed?
• How can rainfall intensity and duration influence non-point source runoff?
• Non-point source pollution originates from which type of sources?
• Which of the following best defines a Rain Garden?
• Which activity is commonly associated with sending soap and other pollutants into storm drains?
• Mandated compliance such as discharge permits is an example of which management approach?
• Which is an urban nonpoint source pollution example?
• Cloudiness of water caused by suspended particles is called what?
• Which term describes a program that sets the allowable pollutant loads for water bodies?
• In agricultural settings, increasing which practice raises nutrient runoff risk?
• Why is non-point source pollution often harder to regulate than point source pollution?
• Which scenario represents a high-risk non-point source site?
• Which is a rural nonpoint source example?