Backflow systems prevent anything, be it solid, liquid, or gas, from moving back through the pipe network, and introducing contaminants into a purer source. This is especially important when talking about water pipes and potable sources.
Back siphonage units typically involve the double housing, at the point of usage. These are particularly helpful in colder climates, where pipes tend to freeze, so you won’t see too many of them here in Douglas County.
Back pressure is a more elaborate operation. This involves an auxiliary pump, generating a supply of back pressure greater than the supply pressure. There are hundreds of variants on the market, but some will be a better solution to your irrigation concerns than others. If you have 4 huge fields of farm land, your irrigation needs are going to be obviously different than that of a residential house.
Why all the fuss, though? Because contaminants can cause disease or sickness. Depending on where you live, there are likely to be strict codes set up by municipal governments, water companies, and water districts, to be pro-active about intelligent usage of water resources to ensure public safety. Always find out what these might be BEFORE starting an irrigation project.
Here are a couple example cases:
A little homework here, can save you a lot of headaches and fines. You can read a list of approved assemblies here on the Oregon Health Authority website.
As always, talk to your landscaper about any questions, or reservations, about usage. You can contact us at 541-677-0281 or request a free estimate on your landscape irrigation needs.
This post was updated on 12/19/22