A lot of it's natural. |
I don't know of any lake that has been on the impaired waters list that has been taken off. |
Over 50 [parts per billion] is usually bad news. That's when it starts to get green. |
They have the most phosphorus of anything. |
We have to get started cleaning up some of these lakes. Every year we let go by, it's a bigger hole we're digging. |
We're watching them very closely. |