Run-off PreventionWhat is it? How do we stop it?

Helping homeowners and small businesses use less water in the landscape

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What is WaterWiseNow?

We help homeowners and small businesses use less water in the landscape.

● Pro-grade irrigation equipment● Free How-to content● Free customer support and

professional advice for ordering and installation

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Systems Require Maintenance

Air filters in your house?

Oil changed in your car?

When was the last time you turned on your irrigation system to see how it’s performing?

Run-off HappensWhen we don’t inspect our irrigation systems

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What is run-off?

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Why are we talking about run-off?

● It’s an easily preventable nuisance● It pollutes our waterways● It degrades our road quality

WASTE

Run-off Cause #1Low Head Drainage

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What is Low Head Drainage?

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What is Low Head Drainage?

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How to Identify Low Head Drainage

1. Turn on your sprinklers 2. Listen for air spitting or

popping sounds3. Run for 30 seconds4. Turn off your sprinklers 5. Look for water running

out of one or more sprinklers and onto the curb or sidewalk

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Got LHD? Easy and cheap to fix!

Switch out your sprinklers with ones that have a check-valve built in.

Best Choices:● Rain Bird 1800 SAM ($3-12)● Hunter Pro Spray CV ($4-15)● Toro 570Z Spray with Check

Valve ($6-18)

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Demonstration

1. Unscrew the top of the new sprinkler2. Unscrew the top of the old sprinkler3. Remove the nozzle from

the old sprinkler4. Put the new “guts” into the

old sprinkler body5. Screw the old nozzle into the

new sprinkler “guts”6. Don’t over tighten!

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Low Head Drainage Recap

1. Happens on every valve at the lowest point2. Causes run-off on street-facing valve3. One or more sprinklers may be causing it4. Get a helper to diagnose5. As cheap as $3 per affected sprinkler to fix

Download the Run-off Inspection Worksheethttp://WaterWiseNow.com/RunOffWorksheet

Run-off Cause #2Overspray

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Overspray

Common causesMisaligned sprinkler nozzlesSprinkler nozzles that are the wrong size for the area they’re wateringDirty sprinkler nozzlesWind

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Overspray Fix - Wind Sensor

Wind causes run-off, too, and it’s windy here!

Wind sensor shuts off irrigation system when it’s too windy, turns it back on when the wind quiets down

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Overspray Fixes - Nozzles

1. Adjust your nozzles2. Clean your nozzles

http://bit.ly/CleanNozzlesa. Clean the Filter/ Flush the sprinklersb. Disassemble the sprinkler / Flush the spray bodyc. Reassemble the sprinklerd. Test and re-adjust alignment

3. Replace your nozzles - time to upgrade?

Run-off Cause #3Overwatering

Smart controllers adjust your watering schedule every day, accounting for rain, humidity, wind, and sometimes soil moisture, soil type, plant density, and shade.

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Causes of Overwatering

#1 Cause of Overwatering: The ControllerSmart Controllers save up to 30% of water useCVWD Smart Controller Program

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Causes of Overwatering

#2: Watering faster than the soil can absorb itProblem areas: Clay soils, slopes, and mature thatched grassHigh-efficiency rotary nozzles reduce water use from sprinklers by 30%

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High-Efficiency Nozzles

CVWD Rotary Nozzle Rebate ProgramBest Choice: Hunter MP RotatorsOther Choices: ● Rain Bird Rotary Nozzles● Toro Precision Nozzles● K-Rain Rotary Nozzles

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High-Efficiency Nozzle Notes

● Require regulated pressureOptimal pressure is 40 psi; Average pressure in CV is 55 psi

● Pressure regulation options: Main line, valves, spray bodies

● You will need to extend your watering time for these nozzles

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Ordering, Installing & Adjusting

● Measure for head-to-head coverage

● Determine existing sprinkler brands

● Eliminate extra heads if possible

● You may need a special tool to adjust the nozzles

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Demonstration

1. For each sprinklera. Pull up on the sprinkler riserb. Unscrew the old nozzlec. Screw in the new nozzled. Release the riser

2. Manually turn on the irrigation

3. Adjust the spray pattern and radius for each new nozzle

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Summary of Run-off Prevention

Causes:Low head drainage, overspray, overwateringCures: Check-valve sprinklers, high-efficiency nozzles, smart controllersTo learn more… Get our free eBook:WaterWiseNow.com/RunOff

Q&AHave questions? Please call Jessyca at 760-777-4175 or Email support@waterwisenow.com

Download this presentation at http://bit.ly/CVRunOffPresentation

Our Run-off Prevention eBookhttp://bit.ly/WWNRunOff