I read somewhere last week where opponents to the East Mountain stadium said it will make the flooding worse up there.
So, I took it upon myself to do a little unofficial research by asking some experts in the field who know about these things.......local farmers. (since the proposed East Mountain site is currently a farm field)
Here is what they generally said:
Most farm crops such as corn, soy beans actually have a way to keep the soil as wet as possible through shade. And what has been happening the past few years is that because of the constant downpours, the soil is already saturated most times and is not absorbing rain water like people think it is. Adding to the problem is the fact that most areas on the East Mountain and Upper Stoney Creek have a clay base which is not very absorbant at the best of times as, let's say, a sandy soil would be. So what happens is that torrential rain just flows off it as fast as it comes down.
What was mentioned to me is that a stadium would actually help this problem as the turf itself would pretty much absorb any short bursts of rain as happens now at Ivor Wynne (and drained off gradually). Now, as far as the rest of the stadium property, such as the stands, concrete areas and parking lots, drainage systems would be constructed into the design so that any storm water would not be even entering the Red Hill Creek/Valley as it does now........proper storm water catchment systems would divert it into a holding pond in the area, or slowly releases it into storm sewers.
It is apparantly a myth that all farmland/greenspace absorbs torrential rain............it can actually do the opposite because most crops have a way of retaining their own water needs, while repelling excess water.......especially in heavy clay.
So, in conclusion from my "research", a stadium on the east mountain should help the flooding problem and not add to it....
Hamilton's historical neglect of it's own storm sewer system is another matter....and that needs to be corrected anyhow as development is always going to happen......