Most plastic is fish safe and so is epdm rubber pond liner.
Roof runoff pond.
Fumes from industry and traffic.
I would urge you to get your roof runoff tested to see if it is actually poisonous to fish.
Create two or three large troughs that run the length of the land ending in one unified pond tributary.
Multiply the two figures together to obtain the square footage of your roof step 2 determine the percentage of water collected from each downspout p.
Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout.
Ponding water on flat roofs reduces the roof s lifespan.
Rainwater runoff from your roof contains a mix of materials deposited by pollution and animals as well as chemicals used in the manufacture of the shingles.
These troughs will be fed by smaller ditches that usher rainwater away from areas where it would otherwise collect and stagnate.
Stormwaterx llc pronounced stormwater rx designs manufactures installs and maintains industrial stormwater treatment systems for customers in industrial sectors worldwide.
Our systems are designed specifically to help active industrial facilities comply with the national.
Since you will have a long term need for pond water a rain water harvest system is in order.
Most universities have an agriculture department with a soil and water test lab.
Dig your feeder ditches now that the pond is ready to hold runoff.
The greenslope roof ponding repair kit provides a lightweight inexpensive solution to flat roof ponding.
Count the number of downspouts coming from your roof.