San Joaquin Valley 
Stormwater Quality Partnership

 

 
 
 
Answer Keys
You found them!
Source: Department of Horticulture, Cornell University, hort.cals.cornell.edu

Answer 1: Grass clippings are being blown into the street and storm drain. Their high phosphorus levels can pollute streams, rivers and lakes.
BETTER: Return clippings to the lawn, compost them or till them into gardens or flowerbeds.


Answer 2: Leaves raked into the street also end up in storm drains, causing pollution.
BETTER: Treat them the same as the lawn clippings above.


Answer 3: The boy using a rotary spreader leaves fertilizer on paved surfaces where it will get washed into storm drains.
BETTER: Test your lawn before using fertilizer. If fertilizers are needed, use a drop spreader.


Answer 4: The weak turf in the driveway corner leaves soil unprotected. Sediment can wash into storm drains.
BETTER: Seed and mulch or install sod.


Answer 5: The water from the sprinkler washes dog waste into the storm drain.
BETTER: Pick up pet waste and dispose of it by flushing it down the toilet or burying it in the yard. Never bury it by a vegetable garden.


Answer 6: The woman is over-watering, causing runoff down the driveway.
BETTER: Apply about one inch of water, once a week. Reduce watering based on recent and forecasted precipitation.


Answer 7: Fluids from the leaky van and improperly stored and handled products in the garage are washed down the driveway and into storm drains.
BETTER: Maintain the van properly. Place leaky containers inside another container and take them to the San Joaquin County Household Hazardous Waste Disposal Facility or Manteca Solid Waste Department.


Answer 8: Downspouts from the house are discharging into the driveway, washing pollutants and soil from weak turf along the edge of the driveway into the storm sewer.
BETTER: Discharge in a spot where water can soak into the soil while moving away from the house. Alternatively, use a rain barrel to catch water from the downspouts for watering gardens and lawns.


Good Jobs!

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