Saving Rainwater Off Roof To A Pond In Oregon

I have had rain barrels a long time used asphalt shingled roof run off water i ve collected to top off my ornamental fish ponds.

Saving rainwater off roof to a pond in oregon.

Therefore anyone who wants to store any type of water on their property must first obtain a permit from state water managers. To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above. No permit from the state board is necessary. 2 of my 4 koi have lived here for 8 10 years.

However collecting rainwater for landscaping purposes would require a license if a rain capture system is being used to create a water supply swimming pool hot tub fountains ponds a landscaper must be authorized to enter a prime contract for that system. The state gives some approval for alternate methods of construction of rainwater harvesting systems but legal advice should be sought before attempting to construct any system on private property. As for algae i ve never had a problem with it. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.

For some roofs it may be necessary to calculate. While it may sound like a good idea and you re saving on water. Water consumption may not be half of what the family of 4 use but it will be close so we will assume 250l day for the household. 150m2 x 600mm 90000l taking 20 off again we reach a total of 72000l rainwater collected in the year.

In oregon only roof surfaces may be used for harvesting rainwater. Rainwater harvesting coming from your roof is fine in california. Rain barrel supplies list. Collecting rain water whether you use a collection barrel or utilize the roof as a source and piping it into the pond is not an uncommon occurrence.

These ponds are filled only by rain and run off from my roof. The roof footprint is equal to the exterior square footage of the roof surface around the gutter line. To determine how much rainwater you can expect to collect you need to calculate your roof footprint or rainwater catchment area. Most universities have an agriculture department with a soil and water test lab.

When you look at the numbers it s surprising how much water you can collect every time it rains. I have a number of types of water plants frogs goldfish various insects etc. While talking to some of our customers in the past we have found that there is a really big mistake being made in that some koi keepers are using rainwater to top off their pond. According to oregon water laws all water is publicly owned.

Again let s look at how much can be obtained from the roof. I ve seen no ill effects in the fish as a result of doing this and i ve been doing it for years. That live in the ponds. Rainwater harvesting is legal in oregon but may only be collected from a catchment system on rooftop surfaces.

I would urge you to get your roof runoff tested to see if it is actually poisonous to fish.