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Paul Redeker surveys displays at The Water Conservation Garden, located on the campus of Cuyamaca College. Photo: David Ogul, Water Authority

Inspiring Change at The Water Conservation Garden

July 24, 2018/in Conservation Corner, Features /by Gayle Falkenthalby Water News Network staff

Horticulture director embraces educational mission

WaterSmart landscapes are transforming San Diego County’s neighborhoods in part due to the work of Paul Redeker and his colleagues at The Water Conservation Garden in El Cajon.

“We’re a learning center, not just a place where you’re surrounded by beautiful plants,” said Redeker, who recently returned for a second run as director of horticulture and facilities the garden. “All of our exhibits are geared toward teaching. We are all about educating the public to be inspired to make changes in their lives because we’re literally at the end of the water pipeline.”

Driving that point home is a giant pipe protruding from a landscaped embankment with water trickling from its opening into a lily pond near the entrance to this one-of-a-kind, six-acre conservation showcase on the campus of Cuyamaca College.

“I love the educational element,” Redeker said. “The learning that goes on in this garden regarding low-water options is wonderful.”

‘Wonderful’ low-water options

The Water Conservation Garden feature a Native Habitat Garden, the Compost Exhibit, the Veggie Garden and the Succulent Garden. Take a free, docent-led tour the first Saturday of each month at 10 a.m. Illustration: The Garden

Opened in 1999, The Water Conservation Garden is owned by a joint powers agency comprising the San Diego County Water Authority, the Otay Water District, the Helix Water District, the Sweetwater Authority, the City of San Diego Public Utilities and Cuyamaca College. From the start, the garden was seen as an important conservation tool in a region with few natural water resources.

More than 30,000 people visit each year, and the garden’s programs reach an additional 80,000. It is the educational element that lured Redeker back. “The learning that goes on in this garden regarding low-water options is wonderful,” he said.

Born and raised on a Sonoma County ranch, Redeker earned his bachelor’s degree in ornamental horticulture, with a focus on landscape design, from Cal Polytechnic State University at San Luis Obispo. He worked at several Northern California nurseries before exploring other career interests overseas.

Redeker returned to California and was designing landscapes for a San Diego company when he fell in love with public gardens and landed a position as The Water Conservation Garden’s director of horticulture more than 10 years ago.

After five years in El Cajon, he expanded his professional expertise at the San Diego Botanic Garden, another regional showcase garden in Encinitas. “It gave me a wonderful understanding of how larger gardens operate,” said Redeker.

A constantly evolving gem of a garden

Plans are underway for new displays including an interactive irrigation exhibit, watershed exhibit, and a new outdoor classroom. Photo: David Ogul, Water Authority

Redeker returned to his “little gem of a garden” last fall, and he is thrilled with the opportunities to innovate. “We are always looking to improve the experience so that when people come back, they can see something new and fresh,” he said.

Projects under way or in the planning stages at The Water Conservation Garden include:

An interactive irrigation exhibit to help visitors understand and appreciate different types of water-saving technologies.
A watershed exhibit with a “follow the raindrop” feature that illustrates the benefits of strategic stormwater management.
More than a dozen strategically placed, drought-tolerant trees – including the Silk Oak , Blue Atlas Cedar, Sweetshade, and the Variegated Brisbane box – have been planted throughout the garden to help keep summertime temperatures in check.
An expanded indoor classroom that will more than triple capacity to nearly 100.
A new outdoor classroom, covered with a shade structure, will replace the current outdoor class space.

“The new classroom is going to be huge for us,” said Pam Meisner, the garden’s director of operations and programs. “We simply don’t have the room to accommodate demand for all of our adult-education landscaping and gardening classes.”

Among the permanent features is a Retrofit Backyard Exhibit that includes a traditional backyard lawn – complete with a depiction of a homeowner struggling to mow a greenbelt that drinks some 28,000 gallons of water annually – adjacent to a more visually appealing, and less labor-intensive garden featuring drought-tolerant plants that uses just 6,000 gallons of water each year.

“People are being smarter and much more creative with what they’re doing with their landscape,” said Redeker. “We’re seeing smarter plant choices, more hardscape, more patios, more mulch, dry streambeds and the like, and it’s making a difference.”

Otay Water District Announces 2018 WaterSmart Landscape Contest Winner

July 20, 2018/in Achievements, Features /by Gayle Falkenthal

As part of the countywide WaterSmart Landscape Contest, the Otay Water District has selected water conservation class graduate and rebate recipient Rosalba Ponce of Chula Vista as the 2018 winner of its “Best in District” award.

Each year, participating water agencies in San Diego County honor residential customers who showcase the best water-efficient features in their yards. This year’s contest committee from Otay determined that Ponce’s landscape best achieved overall attractiveness, a well thought-out design, efficient irrigation methods, and appropriate plant selection and maintenance.

Water-efficient Mediterranean floral garden replaces thirsty front lawn

Former water conservation class graduate and rebate recipient Rosalba Ponce from Chula Vista was named the Otay Water District’s 2018 winner for “Best in District.” Photo: Courtesy Otay Water District

Prior to converting her yard, Ponce participated in two of the San Diego County Water Authority and its member agencies’ water conservation programs — the WaterSmart Landscape Makeover Program series and the Sustainable Landscapes Program. In 2016, she attended the Water Authority’s free landscape makeover classes, and as a result hired a professional landscaper to help her replace her thirsty front lawn with a Mediterranean floral garden that was both welcoming and water-efficient.

“Upon retiring, I thought the four-class course would be perfect for me,” said Ponce. “At first, it was very difficult for me because I had never really stepped out into the garden in my whole life. I didn’t know what a valve or filters were. I didn’t know anything about what kind of soil I had. This course gave me the tools to learn about turf removal and opened my eyes to the joy of remodeling my yard.”

With water savings in mind, she also installed a drip irrigation system, two rain barrels, and a detention area to collect rainwater.

Regional incentives help offset landscaping costs

The Otay Water District’s WaterSmart Landscaping Content winner for 2018 is Rosalba Ponce of Chula Vista. Photo: Otay Water District

Ponce also submitted her application for the Sustainable Landscapes Program, and in less than nine months, she had completed the full transformation of her front and back yards, receiving an incentive of $1.75 per square foot for replacing approximately 1,200 square feet of turf with sustainable landscaping. (Editor’s Note: As of July 2018, sustainable landscaping incentives in San Diego County are available through the Landscape Transformation Program at www.socalwatersmart.com.)

Her residential landscape now serves as a living example of what conservation education can help create. Ponce’s efforts could have potentially led to a decrease in her overall water use by an average of up to 38 percent.

“Ms. Ponce’s landscape transformation demonstrates the importance of outdoor water-use efficiency as a means of helping to meet the future water needs of our service area and our region as a whole,” said Mitch Thompson, Otay Water District Board member and Water Conservation Garden Joint Powers Authority committee member. “Water-saving approaches to landscaping create healthy, natural yards that offer both economic and environmental benefits.”

Rosalba Ponce from Chula Vista receives recognition at the July 11 board meeting of the Otay Water District as its 2018 landscaping contest winner. Photo: Courtesy Otay Water District

At its July 11, 2018 meeting, the Otay Water District’s Board of Directors honored Ponce for exemplifying water-use efficiency in her garden. She was awarded a certificate of recognition, a gift certificate to a local nursery, and other promotional items. She is also being recognized in the district’s newsletter and other outreach materials.

“When I entered the contest, it was another way for me to share my story with other people and motivate them to do something that’s going to be good for our world,” said Ponce.

For more information about the landscape contest, go to www.landscapecontest.com.

Knowing Your Plants’ Water Needs

July 19, 2018/in Conservation Corner, Features /by Gayle Falkenthal

Landscaping professionals use a resource called the Water Use Classification of Landscape Species (WUCOLS) to classify plants according to their water needs.

It might sound really complex, but it’s really useful because it breaks down the water requirements for each type of plant into four categories: Very Low, Low, Moderate, and High. These water requirements are also called Plant Factors, and they are an important tool for transitioning to a more water-efficient landscape.

Water Requirements by Plant Factors

To come up with a Plant Factor for a given plant, that plant’s water use is compared to cool season grass in a given climate zone.

Why is that? Turf is among the thirstiest of all types of plants. When you replace turf areas with climate-appropriate plants with lower water requirements, and irrigate them with more efficient systems, you can realize a tremendous amount of water savings. There is no need to turn your landscaping into a dry, brittle moonscape to do it.

Here are the Plant Factors, or PF, categories:

Plant Factor categories from high to low water use. Graphic: Water Authority

High: These plants need from 60 to 100 percent of the water needed for a grass lawn (PF of 0.6 – 1.)

Moderate: Plants need 30 to 60 percent of the water needed for a grass lawn (PF of 0.3 – 0.6)

Low: Plants need 10 to 30 percent of the water needed for a grass lawn (PF of 0.1 – 0.3)

Very Low: Plants need 10 percent or less of the water needed for a grass lawn (PF of less than 0.1)

Group Plants by PF to Irrigate More Efficiently

In the Water Authority’s Sustainable Landscaping guidebook, plant selections are color-coded to identify their water needs under this system. That approach provides an easy way to group plants by their water requirements in your landscape, so you can irrigate more efficiently.

This article was inspired by the 71-page Sustainable Landscapes Program guidebook available at SustainableLandscapesSD.org. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org.

1954: Final Pipe Installed for Pipeline 2, San Vicente Aqueduct

July 19, 2018/in Features, From the Archives /by Gayle Falkenthal

Thanks to an intensive lobbying effort and consensus building by the San Diego County Water Authority’s first chairman, Fred Heilbron, the San Vicente Aqueduct’s second pipeline was constructed between 1951 and 1954.

The effort paid off when the second pipeline, parallel to and the same size as the first, began delivering water to the San Diego region. But even the doubling of capacity was insufficient to supply the growing population. The Water Authority had grown to 18 member agencies, and was four times the service area it had when it was originally formed ten years earlier in 1944.

Planning immediately began for a third pipeline, Pipeline 3.

Balboa Park sustainability efforts generate cost savings and efficiencies which boost its economic impact on the region. Photo: Water Authority

Balboa Park Sustainability Efforts Set World-Class Standards

July 12, 2018/in Features /by Gayle Falkenthalby Water News Network staff

Most visitors know San Diego’s Balboa Park for its world-class museums, gardens, and performing arts venues. Behind the scenes is a learning laboratory of environmental best practices. Aaron L. Boyles, sustainability manager for the Balboa Park Cultural Partnership, describes an active, collaborative effort moving quickly to make Balboa Park the most sustainable urban park in the country. Conserving water is a critical component of this effort.

Sustainability benefits San Diego’s economy

How is Balboa Park managing to embrace sustainability without affecting its status as a major tourist attraction and economic driver for the San Diego region’s tourism sector? Boyles says improvements in sustainability actually enhance the park’s operations.

“The business model is pretty clear,” said Boyles. “When you reduce your need for resources, whether that is water, energy, or consumable products, you reduce your expenditures. When talking about buildings that accommodate millions of visitors per year, those savings are significant. That money can be reinvested into better things like infrastructure and the quality of the visitor experience.

“Last year alone, through the installation of more efficient plumbing fixtures, we were able to save 2.4 million gallons of water. That is equivalent to 3.6 Olympic-sized swimming pools, which really adds up in the long run,” explained Boyles.

An unexpected benefit from embracing sustainability is improved collaboration and communication among the many organizations in Balboa Park. “There was a time when neighboring organizations in the park saw each other as competitors. Now we see each other the way our visitors always have. We are One Park – One Team,” said Boyles. “Pooling our knowledge and efforts multiplies our power to get what we want, and we all want the same thing.”

Among its many initiatives, the Balboa Park Cultural Partnership is partnering with the San Diego County Water Authority this summer to promote the importance of safe and reliable water supplies for the region through the Water Authority’s Brought to You by Water outreach and education program

Balboa Park’s cactus gardens are beautiful and diverse, and represent best practices in landscaping with plants that are native to this area. They need very little water to look great, and can provide ideas for low-maintenance, drought- resistant landscapes at homes and businesses in San Diego County. Photo: Balboa Park Cultural Partnership

Environmental awareness part of the park’s experience

“People come to Balboa Park to have fun and to learn from our cultural organizations. We are committed to making the park a showcase for resource efficiency just as it is for history, culture, and the arts. We aim to inspire millions of park visitors from across the region and around the world to embrace the human experience, and the connection to our environment has always been a formative part of that experience.”

Sustainability is now a unifying force in Balboa Park. “Each of our organizations offers something unique, but it turns out they all share the same challenges in their operations,” said Boyles. “With different organizations constantly trying new things, there are endless opportunities to share successes and lessons learned. The potential for partnerships is huge. We are a microcosm for the larger trend taking hold, which has players like the City of San Diego, SDG&E, and the San Diego County Water Authority making the commitment.”

“We import most of the water we use in San Diego, and Balboa Park wants to lead the way in conservation of this precious resource,” said Boyles. Low flow or waterless bathroom fixtures, efficient irrigation, and offering reusable water bottles are just some of the ways Balboa Park is setting high standards.

Water-use efficiency boosts green buildings

Balboa Park’s Sustainability Program continues to advance solutions that will help protect park resources and strengthen economic viability, while enhancing visitor experience and enjoyment.

Established in 2008, the award-winning Sustainability Program is a collaborative effort between the Balboa Park Cultural Partnership, the City of San Diego and San Diego Gas & Electric^® (SDG&E). This collaboration is supported by an alliance of the Partnership’s members, Balboa Park stakeholders and sustainability experts.

The park is now home to 10 buildings certified by Leadership in Energy and Environmental Design, known widely as LEED®. LEED certified buildings promote environmental benefits by reducing energy and water use, as well as greenhouse gas emissions through efficient and sustainable practices.

The most frequently implemented energy-efficiency tactics include heating, ventilation, and air conditioning upgrades; lighting retrofits; control upgrades; and computer server consolidation. Many organizations at Balboa Park installed water-efficiency measures such as low-flow and faucet aerators.

The park’s LEED® certified buildings are:

The Old Globe
San Diego Natural History Museum
Fleet Science Center
WorldBeat Cultural Center
Casa de Balboa (San Diego History Center, Model Railroad Museum, Museum of Photographic Arts)
Casa del Prado (San Diego Civic Youth Ballet, San Diego Junior Theatre, San Diego Youth Symphony)
House of Charm (Mingei International Museum and San Diego Art Institute)
Federal Building
Japanese Friendship Garden
San Diego Museum of Man

Sweetwater Dam was constructed through the efforts of the Kimball Brothers, and spurred development of National City and Chula Vista. Photo: SDCWA Archives

1895: Sweetwater Dam Spurs South Bay Growth

July 12, 2018/in Features, From the Archives /by Gayle Falkenthal

As early as 1853, farmers in the San Diego region started making the transition from dry land farming and ranching to irrigated agriculture, specifically lucrative citrus crops. With the prospect of large profits looking, farmers scrambled to develop local water supplies for irrigation.

A pair of enterprising brothers stepped up to fill the need for water in the back country. They organized the Kimball Brothers Water Company. In 1869, it bought the rights to the Sweetwater River and then built a reservoir with a 90-foot high dam and distribution pipes. Their water supply spurred the development of National City and Chula Vista.

Knowing how to classify your plants by water use characteristics will help you plan your sustainable landscaping. Photo: Water Authority plant factor

Evapotranspiration: The Key To Watering Your Plants

July 11, 2018/in Conservation Corner, Features /by Gayle Falkenthal

How much water do plants really need in your landscaping?

Evapotranspiration (ET) is the process of assessing various factors to determine how much water plants use, and when they need it. ET is a quick, simple way for landscape experts to explain environmental conditions such as solar radiation (sunshine) or cloud cover. The stronger the sun’s rays, the higher the ET.

Think of plant leaves as having similar properties to solar panels. They gather energy that enables plants to transform water and carbon dioxide from the air into oxygen and sugars for growing, and for feeding soil microbes. Transpiration of moisture through leaves is a little like people sweating. It cools down the leaves. Water also evaporates from the soil itself around plants. The combined water loss from the plants and the soil together makes up evapotranspiration.

Why do you need to know this? Understanding water loss in terms of ET is helpful when you select plants for sustainable landscaping, so you choose the lowest Landscape Water Requirements; in planning irrigation; and managing the Soil Moisture Account.

Look for Four Characteristics Shared By Drought–Tolerant Plants

Do you need help identifying climate-appropriate plant choices for your new sustainable landscaping? There are four characteristics shared by drought-tolerant plants.

Stiff, Leathery Leaves: These leaves hold on to water and stay evergreen most of the year.

Silver or Hairy Leaves: Light colored leaves reflect sunlight, cooling the plant. Hairy leaves hold moisture longer and keep the plant cooled off.

Tiny Leaves: These are like tiny solar panels, easier to keep cool than one large hot surface.

Solar Tracking Leaves: These leaves seem to stand at attention in the middle of the day, straight up and down. As the day progresses, the leaves become more horizontal as the plant shifts its solar panel leaves to minimize sun exposure. Many California native plants like manzanitas have this ingenious adaptation.

The Water Authority’s Sustainable Landscaping guidebook contains a Plant List with climate-appropriate plants. They are also highlighted throughout the guidebook.

This article was inspired by the 71-page Sustainable Landscapes Program guidebook available at SustainableLandscapesSD.org. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org.

As San Diego's temperatures soar, be sure your water use isn't soaring by using water resources efficiently. Photo: DaveJessica - Creative Commons License use water resources efficiently

San Diego Region Expects Sizzling Summer Heat

July 6, 2018/in Conservation Corner, Features /by Gayle Falkenthalby Water News Network staff

Water Authority offers tips to keep things cool while using water resources efficiently

The first major heat wave of summer 2018 in the San Diego region arrived Friday, and it is expected to continue through the weekend. Temperatures hit a record 111 degrees in communities including El Cajon, Escondido, and Ramona on Friday. The City of San Diego reached 93 degrees. There won’t be much relief on the beaches, as Coronado’s forecasted high on Saturday is 83 degrees.

Heat records set in San Diego and around the world

Red-hot temperatures are a worldwide trend, including in the San Diego region. The National Weather Service reports 53 of the last 56 months have been hotter than normal at the official weather station at Lindbergh Field.

San Diego’s temperatures show an upward trend overall.

All time heat records have already been set this week from Denver to Tbilisi, Georgia. Record heat is to blame for at least 33 deaths in and around Montreal, Quebec.

Whether or not the San Diego region will break its record high temperatures of 2017 this year, it is important for residents to use WaterSmart practices which help you use water resources efficiently during the peak water-use months.

The San Diego County Water Authority offers several tips for making the most of the region’s water supplies. They include:

Check your landscaping’s irrigation system

Inspect irrigation equipment to eliminate overspray. Monitor soil moisture using a spade or soil probe, and only water if the top inch of soil is dry. Irrigate turf if it doesn’t spring back when stepped on. Better yet, upgrade to a “smart” irrigation controller that automatically adjusts water times based on weather conditions. Rebates on irrigation equipment are at WaterSmartSD.org.

Water your mature trees correctly

Water mature trees like this mesquite tree slowly and deep into its roots. Photo: Water Authority

Irrigate mature trees once or twice a month using a soaker hose or drip system toward the edge of the tree canopy – not at the base of the tree. Use a hose faucet timer (found at hardware stores) to prevent overwatering. Young trees need more frequent irrigation; consult an arborist or tree-care manual for details.

Refresh your compost and mulch

Keeping a 3-inch layer of mulch around trees and plants reduces runoff, helps control weeds and protects soil from direct sunlight and evaporation. Keep mulch at least a foot away from tree trunks and several inches from the crowns of plants. Also, add compost to increase soil nutrients.

Refrigerate drinking water

Your lorikeet can get its drinking water this way. You should fill your reusable water bottles and chill them in the refrigerator for your cold drinking water. Photo Wade Tregaskis – Creative Commons License

Keep drinking water cool in your refrigerator to avoid running the tap. Use refillable water bottles instead of buying disposable plastic bottles.

Put a lid on it

Pool and spa covers reduce evaporation, lower pool heating costs and keeping out dirt and debris.

Take a gardening break from the heat

New plants need more water to get established, so wait until fall or winter for planting to take advantage of cooler temperatures and rainfall.

Watch the grass grow

Let your grass grow longer in the summer. Photo: PhotoMix – Creative Commons License

Set your mower to leave grass at least three inches high, because taller blades of grass can reduce evaporation up to 80 percent and protect your roots from heat. And don’t water during the hottest part of the day. The ground can be so hot, roots may literally cook themselves in hot irrigation water.

Treat your vehicles to an efficient car wash

Patronize car washes that recycle water and save at least 15 gallons each time. When washing at home, use a hose nozzle that shuts off when you release the handle.

Rinse your produce the right way

Rinse your fresh fruits and vegetables in a bowl, then use the water on your indoor plants. Photo: McBeth, Creative Commons License

Wash fruits and vegetables in a bowl of water instead of under a running water tap. Use the bowl of water afterward to water your house plants or outdoor container plants.

Go to summer school

Learn more tips and best practices on how residents and businesses can use water most efficiently, including WaterSmart Landscaping Videos on Demand from the comfort of your beach chair or sofa, plus information on rebates, classes and other water-saving resources to help you keep your cool on your water use this summer at WaterSmartSD.org

1911: Laying Water Pipe To Serve San Diego’s Growing Population

July 5, 2018/in Features, From the Archives /by Gayle Falkenthal /San Diego Historical Society

At the turn of the century, San Diego County began experiencing tremendous urban growth. To meet the growing need of the population, water development began in earnest. It started a transition from relying on well water to impounding river water in the county’s mountains, and then moving it into the urbanized areas. The next few decades were dominated by the clash of interests between agricultural interests and development interests, promises for water delivery, and the usual cycles of drought and floods.

Create a healthy growing environment for your new landscaping with the "soil lasagna" method. Graphic: Water Authority

Cook Up A Soil Lasagna

July 4, 2018/in Conservation Corner, Features /by Gayle Falkenthal

Healthy, living soil is full of oxygen, water, and life to support your plants. Building healthy soil using layers uses a process called soil sheet mulching, or “Soil Lasagna.” If you have ever cooked lasagna, this will seem familiar. Soil Lasagna boosts healthy microbes so much that they actually cook down the organic matter and start eating old grass in your landscape as food.

Once you’ve created Soil Lasagna, all you need to do is keep it moist so the microbes will stay active. How long the process takes from start to finish depends on the kind of grass you have. When you are ready to plant, you can dig a hole right into it, cutting through any paper or cardboard that might still be there, planting in the delicious and healthy soil below.

Supply List to Create Soil Lasagna

- Shovels and rakes
- Wheelbarrow(s)
- Bins to hold removed grass and soil
- Mulch
- Landscape flags
- Painters’ paper or large cardboard sheets
- Compost, worm castings, or compost tea
- Hose with a shutoff nozzle

NOTE: If you need any permits, call DIG ALERT (8-1-1) two days in advance. Also, check with your local water agency for any local water use restrictions.

Once you have checked for permits and any water-use restrictions, you will need to remove your lawn. See our previous column on removing your lawn without killing the existing microbes. You will end up removing about six inches deep of grass and soil. You will need to haul this away. Consider renting a dumpster.

Dig a trench 8 to 12 inches deep (about one shovel depth), and 12 to 24 inches wide around any hard surfaces and building foundations. Also, complete contouring for rainwater absorption and retention and any other hardscaping such as moving or installing patios, paths and other features.

Use landscape flags to mark sprinkler heads so you can find and adjust them later.

Layers Are Key To Your Soil Lasagna

Add an inch deep layer of compost on top of the graded soil. You can also use humates (a freeze-dried compost available at specialty landscaping stores) or spray with compost or worm tea. You are adding an instant food sources and additional microbes to the soil.

Water thoroughly. Roll out your painters’ paper or cardboard. Overlap at the seams about six inches and be sure all of the soil is covered. At the hardscape borders, make a burrito of rolled paper and mulch to prevent grass from resprouting.

Water the paper, and then add another layer of compost if you wish. Rake a thick, six-inch larger of mulch over the paper and compost. Now you’re seeing why this is called a Soil Lasagna.

Water again thoroughly. The mulch will absorb a lot of water before it becomes soaked through.

You can plant right through the Soil Lasagna layers. If you can wait, the soil will develop more healthy microbes for new plants, but you can plant right away if the grass has been removed.

Finally – step back and savor your hard work!

This article was inspired by the 71-page Sustainable Landscapes Program guidebook available at SustainableLandscapesSD.org. Hardcopies are available free of charge at the Water Authority’s headquarters, 4677 Overland Ave., Kearny Mesa. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org.

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