There are some good options that allow you to have beautiful lawns AND clean water.
Fertilizer Solutions
Combined products are usually not a good mix – the best time to treat weeds is NOT usually the best time to fertilize
• Spreading weed killer over the entire lawn is usually overkill
• Some lawn weed killers can stress and damage turf if applied during warm weather
• Using an herbicide over the entire lawn can harm nearby trees
• Herbicides can be tracked into the house by pets or on shoes