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Sponsored by Causes of Water Waste Mike Baron Toro Irrigation.

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Presentation on theme: "Sponsored by Causes of Water Waste Mike Baron Toro Irrigation."— Presentation transcript:

1 Sponsored by Causes of Water Waste Mike Baron Toro Irrigation

2 Sponsored by The Water-Energy NEXUS

3 Sponsored by We Don’t Want To See. We Can’t Afford.

4 Sponsored by Sprinklers Runoff Soil Infiltration Coarse Sand.75”-1”/hr. Fine Sand.5”-.75” Fine Sandy Loam.35”-.5” Silt Loam.15”-.4” Clay Loam.1”-.2” Conventional Spray 1.58”/HR Toro Precision Sprays1.00”/HR Fixed Arc Rotating Nozzle 0.75”/HR Toro Precision Rotating 0.55”/HR Hunter MP Rotator:0.39”/HR

5 Sponsored by 5 Runoff? – High application rate? – Excessive run times? – Overspray? – Leaking sprinkler seals? – Non-plumb heads? – Wind? – Controller problem? – Valve stuck on?

6 Sponsored by Ponding – Excessive run times? – Low head drainage? – High application rate? – Controller problem? – Valve stuck on?

7 Sponsored by Elevation Change – Between valve & heads – Water flows down hill HOA – 19,000 heads – 250,000’+ pipe 1” PVC Assumption –4 cycles per day –4,363.6 units/month

8 Sponsored by Slope & High Application Rates

9 Sponsored by The irrigation system shall be designed to prevent runoff, low head drainage, overspray, or other similar conditions where irrigation water flows onto non- targeted areas, such as adjacent property, non-irrigated areas, hardscapes, roadways or structures.

10 Sponsored by Compounded Waste From Windrift

11 Sponsored by PSI Is Important – Static vs. Dynamic – High PSI Waste – Low PSI Waste Manufacturer Specs – Sprays – Rotors – Bubblers – Drip

12 Sponsored by The irrigation system shall be designed to ensure that the dynamic pressure at each emission device is within the manufacturer’s recommended pressure range for optimal performance.

13 Sponsored by 90° ARCRate Precipitation 0.99”/hr 180° 0.49”/hr 360° 0.25”/hr Performance Factors 2.0 gpm nozzle 30’ radius 1”

14 Sponsored by Before Radius Adjustment Precip = 0.49”/hr After 5’ Radius Reduction Precip = 0.71”/hr % Change: 44.9%

15 Sponsored by

16 Mixing Sprinkler Types Guarantees Either Over Watering Or Severe Stress

17 Sponsored by WEATHER = ET ( inches ) Tempº Solar Radiation Humidity Wind JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECTTL Monthly ET For Los Angeles, CA 35.5%43.5%59.7%75.8%88.7%93.5%100%95.2%80.6%62.9%41.9%30.6% Monthly Water Budget %

18 Sponsored by Weather-based irrigation controllers or soil moisture-based controllers or other self-adjusting irrigation controllers shall be required for irrigation scheduling in all irrigation systems. Commercial Models 12, 24, 36 & 48 Stations Flow Sensing SWAT Tested & Approved No Weather Station Installation/Maintenance Required Residential Models 6, 9, 12 & 24 Stations SWAT Tested & Approved No Weather Station Installation/Maintenance Required

19 Sponsored by High flow sensors that detect and report high flow conditions created by system damage or malfunction are recommended.

20 Sponsored by The irrigation system shall be designed to prevent runoff, low head drainage, overspray, or other similar conditions where irrigation water flows onto non- targeted areas, such as adjacent property, non-irrigated areas, hardscapes, roadways or structures.

21 Sponsored by You Don’t Have To Change. Survival Is Not Mandatory. Edward S. Deming


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