195k views
1 vote
Researchers believe that these chemicals enter the water table through septic systems and stormwater __________ and are not impacted by wastewater treatment plants.

User Welsh
by
7.9k points

2 Answers

1 vote
I think maybe pollution. Not to sure. 
User Sander Versluys
by
7.8k points
4 votes
I'm pretty sure that its run off. Because pollution wouldn't really make sense in the situation of it being found in upstream lakes. the Run off would.

User Bachrc
by
7.2k points