As potable water supplies dwindle and the cost per gallon rises, we
have to be vigilant about how much we use and how we use it. One way to
conserve potable water is to use non-potable water—rainwater, air
conditioning condensate, stormwater run-off and treated wastewater—for
purposes like landscape irrigation. Initiatives such as the United States Green Building Council’s LEED Program
are driving the use of alternative water sources and the development of
more efficient irrigation systems. This trend is further fueled by
state and local regulations, as well as rebate and incentive programs that focus on efficient water use.
Much like the air we breathe, fresh water is something many of us
take for granted. We assume it will always be there in plentiful supply
when we turn on the shower, the dishwasher or the faucet on the sink.
However, the truth is that only one percent of the world’s water supply
is now suitable for human consumption. To make matters worse, various
droughts across the globe have created serious water shortages, even in
areas that typically experience plentiful precipitation.
As a result landscape architects and contractors are designing and
implementing more irrigation systems that use alternative water sources.
However, the chemical composition of reclaimed water can pose public
safety, liability and environmental concerns. Non-potable water can
also damage irrigation valves, rotors and sprays over time. Obviously,
our industry is facing some significant challenges as fresh water
supplies continue to decline and the demand for non-potable water
increases. To adequately address these concerns, irrigation system
manufacturers and the professionals who purchase, design and install
irrigation systems must partner with the policymakers who are shaping
the future of non-potable water use.
Non-potable water use is not a trend that will quickly come and go.
Future legislation and green building initiatives will continue to
increase non-potable water use and demand. This presents irrigation
system manufacturers with an opportunity to promote premium,
water-saving products to increasingly savvy customers. In speaking with
Tom Kundrat at Rain Bird
recently, he explained Rain Bird has taken a proactive stance by
developing products specifically for use with non-potable water. They
plan to continue doing their part to encourage efficient irrigation by
creating even more products for non-potable water use in the future.
This is important because effects of reclaimed water and chemicals used
to maintain a reclaimed water line leave a lasting irreversible effect
on irrigation products.
Why Use Reclaimed Water
Reuse conserves water by matching water quality with water use.
High-quality groundwater is reserved for drinking and bathing.
Reclaimed water saves money because reclaimed water rates are less than
local drinking water rates. Reclaimed water use helps assure that a
community will have water supplies to meet their current and future
needs. It will continue to make a positive impact on water landscape
water use and due to the effects reclaimed water can have on your
irrigation system it’s important to remember to use products designed
and built for this specific purpose.
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