Sewage (along with sewage treatment plants and septic tanks), sediment runoff from construction sites, pesticide runoff, and runoff of the settled air pollutants are all significant nonpoint sources of pollution which most often run directly into the watershed and lead to &quot;nutrient-enriched&quot; waters.
(sediment runoff from construction sites, pesticide runoff, and runoff of the settled air pollutants; are; significant nonpoint sources of pollution which most often run directly into the watershed and lead to &quot) (significant nonpoint sources of pollution; run directly; into the watershed; T:most often) (significant nonpoint sources of pollution; lead; to) (significant nonpoint sources of pollution; quot; )
sediment runoff from construction sites, pesticide runoff, and runoff of the settled air pollutants significant nonpoint sources of pollution significant nonpoint sources of pollution significant nonpoint sources of pollution
are run directly lead quot
significant nonpoint sources of pollution which most often run directly into the watershed and lead to &quot
into the watershed T:most often
to