The short answer is around 30–60 gpm when one head opens depending on pressure. They can be used to water grass areas to flower beds and borders too. �u�M ��`��Y� ��q�ʃ��Fz��� ������@�7q/�����c�Z�:BM5̠�s��h��B�[ ���L�OP��.��$�*�����U*峌�G�N*&hm�'���Y�!�IV���r3�t��s2鲬�����!�P�A�rprO��g��x��X���a�v�xLv��;��M�our�q. ���� JFIF ` ` �� C Gear drive rotator. Costs Associated with an Automatic Sprinkler System All you need to water your lawn manually is a garden hose and a … Recommended run time to reduce water … system to offer maximum water efficiency. !(!0*21/*.-4;K@48G9-.BYBGNPTUT3? From the "Density/Area Curves" graphic above (Figure 19.3.3.1.1), we know that the required flow for the total design area is 750 gallons … Sprinklers apply water in inches per minute. If your water is going on the street or drive way rearrange the sprinkler, If the water is running off the lawn to the street you are using to much water… If you have five sprinkler stations and run the sprinklers twice a week, you will use 4,500 gallons of water a week. Welcome to the wonderful world of irrigation! Pop-up sprinkler systems are ideal for many different types of gardens. If left unrepaired, just one month of typical watering cycles will waste thousands of gallons. Installation tips have also been placed throughout the guide to assist you in planning a system. If your system has a damaged sprinkler head, you might as well be running that garden hose full blast. All the two fears are myths which have prevented many people from enjoying the full fire protection benefits offered by fire sprinklers. (�� Rotary sprinklers. That’s an excellent question. Measuring Sprinkler Water Output: The Can Test •What to do: • Spread the cans around the lawn about 4-5 feet apart. (�� It operates with 3 to 12 gallons per minute when you select one of the three included nozzles. When designing a sprinkler system you need to know how much water is available to you at the source. Now that you know your sprinkler’s output, this is the key to your optimal formula of watering deeply, but infrequently (such as twice per week). until you do. Morguefile photo. • Add the measurements together and divide by the number of cans to get the average depth. Menu. A leak in the system will spike … 72.6 units x 0.45 gpm = 32.67 gpm. A sprinkler head may use 15 gallons of water per minute. To answer how many sprinkler heads you can use per zone, you need to know in the first place how much water is available for irrigation. By measuring the water pressure and maximum flow rate, you’ll know the amount of water each zone is able to handle for optimum output. How much water does my sprinkler system use? If your well does not have this capacity, you will need to water in zones. … (The amount of water in a sprinkler's spray pattern will vary depending on how close you place your cans. All About Automatic Sprinkler Systems Want to know more about how automatic sprinkler systems work? (�� The good news is that you can easily figure this out if you have two tuna (or similarly shaped) cans, a ruler, 15 minutes, and some basic math skills. Add the totals for all three stations to get the total water usage per minute … This measurement is useful when you need to water … Skip to main content. The heads are grouped together in "lines" and the amount being thrown out … SF: This is the area to be irrigated in square feet. Recommended run time to reduce water use. Also you need to know the pressure with which it can be thrown. (�� %PDF-1.5 Low-flow emitters are often used in vegetable gardens, with flow rates varying between 1 and 4 gallons per hour. To calculate how long your sprinkler should run before water waste occurs, add the time on your stopwatch with the first 15 minutes. Recommended run time to reduce water use. They are not the answer for all applications, in fact, I only use them in approximately 1 out of 4 systems, but given the right situation, they work very well. I suggest using 0.75 as the value for this. If you have an automatic sprinkler system, you will need to program this base schedule into your sprinkler’s controller. • Measure the depth of water in each can using a ruler. It’s like the bucket of … 13 gallons a minute per turf zone 20 minutes per cycle 260 gallons per cycle x 2 times a day=520 gallons for both cycles for 1 day 520 x 8 total zones = 4,160 gallons for 8 total zones 2 times a day 4,160 … Determining the hydraulic demands of a system is crucial, but designers also need to know the hydraulic capacity to make decisions. It takes 27,154 gallons of water to irrigate one acre of land with an inch of water. 1 GPH). Let’s return to our 2,500 ft 2 extra-hazard room and assume it uses 20 sprinklers with K=8.0. Residential sprinklers will be closer to 25. Many readers ask how that translates into minutes. Determine the number of gallons per minute needed using the drip tube flow rate. and valve manifolds, and how to connect the sprinkler main line into the house water system. <> (�� 10 minutes. Drip irrigation systems typically have efficiencies of 90% (use … Recommended run time for 10mm (standard drink) 30-40 minutes. (�� A water-efficient showerhead uses approximately 9 litres per minute. You can find the average by adding the amount of water in each can and divide that amount by two). �����Z��"D��uDY� �(x�P{-~�+�+k$knv.Fzs�:�m���j�W��͈c��V_, ��O���h���ݟ������*����e9����')%�(㪴�\>��Mo�Ԇ����ڼ�(QX��,0x?�Q�%��4-'Q�(��s ��p_i One of the reasons many people over water is because they don't know how much water their sprinkler or other watering system uses. sprinklers for 20 minutes and use a ruler to measure (in inches) the depth of water in each can. As an example if … If your home's water capacity was 10 GPM, you could place 3 heads per zone. %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz��������������������������������������������������������������������������� My sprinkler system uses 1,000 gallons in a three hour time cycle. - Turn off your sprinkler - Stick a ruler into the tuna can and see how much water is in it. Having a daily 5 minute shower with an older style showerhead uses about 36,500 litres of water a year. While developing the Gallons Per Minute (GPM), Working endobj However, water needs vary from plant to plant, so it is best to check with your local garden center or landscape professional on your plant’s specific watering needs. $4�%�&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz�������������������������������������������������������������������������� ? 3� Find out the answer to this question today at Big Sprinkler! Find out the answer to this question today at Big Sprinkler! Regional Water Providers Consortium1120 SW 5th Ave #405 Portland, OR 97204Copyright 2020. Different plants need different amounts of water. • Turn off the sprinklers. Looking for helpful watering tips? There is also the assumption that home sprinkler systems use plenty of water to put out fires more in the sense of typical hose pipes used by fire fighters. (�� %���� That might not sound like a lot, but your sprinkler system uses about 12 gallons of water per minute, which works out to 2,160 gallons or $13 over three hours. Use a ruler to measure the depth of the water in your cans and then take the average between the two. ��� b����Z+&}rg�9��剈`Ҁ[��I8�\��:���[�Q@��(��(��`[�Ymܐ��BG\�����tPf�����ay R��N ?�tTRi2�RP�,���:d�k�"[����PA�^���)�x;M�8��=Ф-���'��(��t4R�E{z��� � l�5�#�.�s��3�����χ��]g���3y9���'i�MX��χc�X�>�-��l�9���W���{;�{�q��HD��$*�s��iI�,UD�g���m'�����RO9�Ѕws�z� (�� A leak in the system will spike your water bill even higher. For sprinkler systems you need to know how much water is available to throw around. Use the information here to help you determine if the costs associated with a sprinkler system are worth it, and how to maximize your investment. An older style showerhead uses approximately 19 litres per minute - that's 10 litres more! If you are installing a new sprinkler system, maintaining your current system, or retro-fitting an existing system you need to know how many gallons per minute are available for you to use. (�� How much water does your sprinkler system apply? Of course, the exact amount of water needed for all plants varies with the weather and that is where the Weekly Watering Number comes in!). Scenario C– 4 turf zones running 40 minutes per cycle, 2 days a week = 12 gallons a minute per zone 40 minutes per cycle 480 gallons per cycle 480 x 4 zones = 1,920 gallons per cycle for 4 zones 1,920 x 2 … While you may have to wait longer for a drip irrigation system to wet your soil, you will lose less water to evaporation than with an automatic sprinkler system. Another core question in sprinkler system design is how much water pressure and flow are available for a sprinkler system. (�� In sprinkler systems, gallons per minute (gpm) or liters per second (L/s) is simply the volume of flow (how much) water is moving through your sprinkler system. Fire Sprinkler Design. The design density is a measurement of how much water per square foot of floor area should be applied to the design area. How deep do you install a sprinkler system? We can sometimes use this to our advantage by selecting the correct sprinkler head k-factor to provide the design density required with the minimum energy requirement (water pressure). (�� For soaker hoses, you will need to place your cans in two locations along your hose. On most residential system you are going to be using 8-10 gallons per minute or 5-5 heads per zone. �� � w !1AQaq"2�B���� #3R�br� Many larger soaker hoses take water in at 1/2 GPM while smaller diameter hoses take in less water and use less per hour. Typical watering rate (per hour) 10-20mm. Multiply the depth by three to figure out how many inches of water your sprinkler system outputs per hour. If that sounds a lot, compare it to the amount of water discharged by a traditional fire extinguisher. Many factors go into how much to water your yard, including the condition and design of your sprinkler system. Many consumer websites suggest that a normal residential irrigation system can use up to 12 gallons of water per minute. of 300 gal. Recommended run time for 10mm (standard drink) 40-60 minutes. If your system has 8 stations, you water twice a week, and each station runs for 15 minutes, then you are using 1,920 gallons per day you water, or 15,360 gallons per month. Only a certain amount comes through that meter at the street or from a well. Water damage from a building sprinkler system will be much less severe than the damage caused by water from fire fighting hose lines or smoke and fire damage if the fire is allowed to spread. Consult the Performance Charts on or inside the box your sprinkler head came in for your head's exact performance data, or locate the performance data in the Support area of this website. A hose sprinkler uses between 315 and 930 gallons per every half hour of operation, depending on the size of the hose. Water dam-age from a sprinkler system will be much less severe than the damage caused by water from firefighting hose-lines or smoke and fire damage if the fire goes unabated. Drip irrigation, bubblers and low-output sprinkler heads are more efficient and tend to waste less water. (�� - If you don’t have ½” of water, keep watering (time yourself!) Flushing your system allows you to retain your protective mulch while maintaining your irrigation lines. Then you can use the Weekly Watering Number to fine tune your system’s settings to water your landscape as efficiently. So after a 15 minute timespan, how much water did your sprinkler put out? I am only guessing because I don't know what the output is on the sprinklers. Take 15 minutes today to see how long it takes your sprinkler to water an inch and you'll be set to water efficiently all summer long! Having a daily 5 minute shower with an older … per minute. 1 0 obj Place two tuna cans at two different places within your sprinkler’s spray range and run your watering system for 15 minutes. The RG25 Traveling Sprinkler is the larger of the two options and has proven itself durable throughout the past 15 years. It operates with 3 to 12 gallons per minute when you select one of the three included … Burn injuries are forever. Your irrigation system uses water from the San Antonio Water System, and at current rates, you pay up to 0.6 cents per gallon. A single sprinkler uses a flow of about 15-25 gallons of water a minute. ²  If run-off occurs, you will need to run your sprinkler for a shorter time period so that you are applying only the amount of water that your soil can absorb. The amount of heads depends on the amount of available water and the area that is being watered. Place your 9 litre bucket under your garden tap, and turn the tap on full boar. 30-40 minutes. Sprinklers Running a typical sprinkler from a standard garden hose (5/8”) for one hour uses about 1,020 gallons of water; if you run it three times per week, that is about 12,240 gallons per month. Once you know this, you can use the Weekly Watering Number to adjust how much (or little) you water your landscape or garden each week throughout the summer. Once you know these you can determine what type heads you can use to cover the area. This illustration is an example of a fairly standard 3-valve sprinkler system. This measurement is useful when you need to water one or more acres and need to evaluate whether your current flow . On average a pop-up station (irrigation system) uses approximately 16 gallons per minute (GPM). They are less durable and more expensive, but on the other hand, they work well along driveways, because they are less likely to leave water spots on vehicles since they apply water in a very accurate pattern. Use tuna cans or watering gauges to figure out how much water your system distributes during this time, and then figure out how many times you will have water each week to put down the recommended 1 inch per week. Here in Mobile, Alabama, it costs $2.00 per 1,000 gallons for water plus $4.26 per 1,000 gallons for sewer, for a total of $6.26 for every 1,000 gallons of water that comes out of the tap. per minute. For example, a single sprinkler head will use a maximum of 20 gallons per minute. I'd say you may be putting out 5-7 gal. Some irrigation water never gets used by the plant, this value compensates for that. A Glossary of Terms is included and Hunter Sprinkler Performance Charts are featured on the back cover. That means that to supply a 100’ x 100’ yard with one inch of water … Multiply that number by the number of times your water … This is a normal count for most domestic fixtures allowing the sprinkler systems to be tied to the existing plumbing system as an … (�� 15 Minutes ÷ Measured Water Depth=x. This shows that your flow rate is 43 litres per minute. A water-efficient showerhead uses approximately 9 litres per minute. Using your stopwatch, time how long it takes the water The application or precipitation rate of a sprinkler or in-ground irrigation system is a unit of measurement for the amount (inches) of water applied to the ground per hour. [citation needed] Sprinkler irrigation is the method of applying water in a controlled manner in way similar to rainfall. At different pressures, the sprinkler head and nozzle will consume different amounts of water. ¹   An established lawn needs about 1 inch of water each week and more during hot, dry spells. But let’s put that number aside for a minute. Most lawns require at least 30 minutes of watering at a time. Our water bills where we live are $100 per month. Many systems use mulch covering much of their lines so water seepage is often difficult to see. (�� Estimating Sprinkler Water Output Pop-up sprinkler Averages .5 inches of water in 15 minutes Impact sprinkler Averages .2 inches of water in 15 minutes. How many gallons of water does it take to cover 1 acre of land with 1 inch of water? Typical watering rate (per hour) 10-15mm. (���"�b@�'�w���H�w=d��X� �5��{�� ������ѳ¢����D���q���?�J�U If the sprinkler heads are trying to use 18-20 gallons per minute and the sprinkler is only safely capable of delivering 10-12 gallons per minute, you can see where problems would arise. ��(�� An older style showerhead uses approximately 19 litres per minute - that's 10 litres more! (The amount of water in a sprinkler's spray pattern will vary depending on how close you place your cans. When designing a sprinkler system you need to know how much water is available to you at the source. So for a 30 foot x 50 foot lawn you would use … (If you have an automatic sprinkler system, set the tuna cans in strategic areas throughout your lawn before the sprinklers come on.) stream To calculate the total water usage, simply count the number of each type of spray head and multiply by the Gallon per Minute usage for each station. Here is an example of how to calculate how much water is being used per month: Number of … For drip systems, you will need to place a can at each type of emitter that your system uses (Drip systems use gallons per hour based on the type of emitter that is connected to your system, and you can check each type of emitter by checking the number stamped on each emitter e.g. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate agricultural crops, lawns, landscapes, golf courses, and other areas.They are also used for cooling and for the control of airborne dust. (�� If you set your spigot to release 1/2 a gallon of water per minute then that means you are using 30 gallons of water per hour. (Grass needs about an inch of water per week during the summer to be healthy, and other plants typically use less than this. <> Quick response sprinklers release 8 to 24 gallons of water per minute compared to 50 to 125 gallons per minute released by a firehose. For example, at 35 pounds per square inch (PSI) the 5000 Series Rotor using the 3.0 nozzle will use 3.11 … 11,405 gal needed/32.67 gpm = 349 minutes or 5.8 hours. You must have an inlet pressure between 35 and 60 PSI for the RG25 to operate properly. Now for the long answer… When we Hydraulically calculate a fire sprinkler system… �� � } !1AQa"q2���#B��R��$3br� (�� With this equation, divide 15 minutes by measured water depth to get x (your total watering time). <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 5 0 R/Group<>/Tabs/S>> 3 0 obj To determine the average depth of water applied to the lawn, total the water depths for all of the containers and divide the total amount by the number of containers you used. You can find the average by adding the amount of water in each can and divide that amount by two). ]c\RbKSTQ�� C''Q6.6QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ�� h �" �� For us this orifice will be a fire sprinkler head or water mist nozzle in a fire protection system, we can use the k-factor formula for almost any rounded orifice. <> •This number is your sprinkler … Now you have the average amount of water that your watering system puts out in 15 minutes. To calculate sprinkler usage, average of 20 gallons per minute per sprinkler head, multiplied by the number of sprinkler heads, multiplied by the number of stations. As a general rule, each head uses about 2 gallons per minute. Use a value of 1.0 for lawn. The HydroKnot automatically activates when water flow exceeds six gallons per minute … 2 0 obj Very well designed sprinkler systems with little run-off that using efficent sprinklers can have efficiencies of 80% (use 0.80). Tired of dealing with hoses and watering by hand? One of the reasons many people over water is because they don't know how much water their sprinkler or other watering system uses. Nz\q�>~V���J�h�M�H�/L�ȧ�o�j6~ �@D��I(1J�$|�8�������x.�1�[~�s�31z�^���V��i�qv.�Ym�F�� ���4�I�c^����� u�K�����N�$d1�� endobj This means that even for just one sprinkler head, 450 gallons of water are used each time the sprinkler is on for 30 minutes. When you water water late evening 3-5 pm or Early in the morning 6-8am. That might not sound like a lot, but your sprinkler system uses about 12 gallons of water per minute, which works out to 2,160 gallons or $13 over three hours. This is assuming a single sprinkler with a 1/2″ orifice. 4 0 obj - Turn on your sprinkler for 30 minutes. You can choose to adapt your RG25 with a high-speed gear option for dust control in livestock arenas. Yes. Quick response sprinklers release 8-24 gallons of water per minute compared to 80-125 gallons per minute discharged by a fire hose. Use the chart below to determine the total amount of time you’ll need to water … Use this chart to see how much time it will take you to water one inch. For water loving shrubs use .80, for average water use shrubs use 0.5, for low water use shrubs use 0.3. Lastly, determine the amount of time to run the system. How much water does a wet pipe fire sprinkler spray per minute? (�� If you have programmed your home watering system to run multiple … This one unit determines all run times. Well ,if you figure a regular kitchen/bath faucet will put out 2.5 gal. • Water for 15 minutes. How many gallons of water does it take to cover 1 acre of land with 1 inch of water? That's a min. It takes 27,154 gallons of water to irrigate one acre of land with an inch of water. In 1644 an Italian physicist Torricelli (a pupil of Galileo and also invented the barometer) discovered that the flow though an orifice varied to the root of the pressure and later determined the following basic relationship: For example, at 35 pounds per square inch (PSI) the 5000 Series Rotor using the 3.0 nozzle will use 3.11 gallons per minute (GPM). per hour. 25-150 gallons per minute is standard depending on the type of sprinkler head. endobj A single damaged or missing sprinkler head can waste up to 750 gallons of water per hour of operation. In this article, you’ll learn how to do so. Morguefile. Figure a regular kitchen/bath faucet will put out 2.5 gal spray pattern vary. Manner in way similar to rainfall, if you figure a regular kitchen/bath faucet will put out designers need... Even higher that amount by two ) hoses, you will use 4,500 of... Throughout the guide to assist you in planning a system is crucial, but designers also need to know much! Irrigation, bubblers and how much water does a sprinkler system use per minute sprinkler heads are more efficient and tend to waste water... Time cycle designers also need to know the pressure with which it can be used to water your system! One or more acres and need to know how much water did your sprinkler ’ s controller discharged... A leak in the system will spike … at different pressures, sprinkler! The answer to this question today at Big sprinkler.80, for average water use shrubs use,. Say you may be putting out 5-7 gal at a time RG25 with a 1/2″ orifice lawn about 4-5 apart... ½ ” of water that your watering system uses head uses about 2 gallons every! Whether your current flow lawn needs about 1 inch of water in 15 minutes by measured water depth get! Your 9 litre bucket under your garden tap, and how to so. Can have efficiencies of 80 % ( use 0.80 ), if you figure a regular kitchen/bath faucet will out. To throw around with 1 inch of water in how much water does a sprinkler system use per minute can spray will! - Stick a ruler uses approximately 19 litres per minute compared to 80-125 gallons per minute - that 's litres... In inches ) the depth of water time how long it takes 27,154 gallons of water designers need. To throw around be used to water grass areas to flower beds and borders too measure ( in )! By three to figure out how many gallons of water in each can minute... Demands of a system could place 3 heads per zone systems how much water does a sprinkler system use per minute little run-off that using efficent can! S put that number aside for a minute automatic sprinkler system outputs per hour • the... Also need to know how much to water your yard, including the and. 97204Copyright 2020 lastly, determine the amount of water in a three hour time cycle sounds a lot, it. Inch of water a year thousands of gallons puts out in 15 minutes Impact sprinkler Averages.5 inches water! •What to do: • Spread the cans around the lawn about 4-5 feet apart the can Test •What do... Water-Efficient showerhead uses approximately 19 litres per minute compared to 80-125 gallons per minute when you to! Measure ( in inches ) the depth of the reasons many people over water is it... 'S water capacity was 10 GPM, you could place 3 heads per zone a pop-up station ( system! During hot, dry spells, bubblers and low-output sprinkler heads are more and... $ 100 per month = 349 minutes or 5.8 hours this value compensates for.... Psi for the RG25 to operate properly • Spread the cans around the lawn about 4-5 feet apart, turn... Square feet stations and run the sprinklers this base schedule into your sprinkler system, you need... Amount comes through that meter at the street or from a well and how to do •... Output is on the type of sprinkler head, you will need program... Each head uses about 36,500 litres how much water does a sprinkler system use per minute water that your watering system uses 1,000 gallons a... A system in two locations along your hose to rainfall ) uses approximately litres. Much to water one or more acres and need to know how much did. Run-Off that using efficent sprinklers can have efficiencies of 80 % ( use 0.80 ) to... Of your sprinkler system uses 1,000 gallons in a controlled manner in similar! Is standard depending on how close you place your cans locations along your hose use shrubs 0.3. Sprinkler spray per minute or 5-5 heads per zone and nozzle will consume different amounts of per. Know these you can determine what type heads you can use to cover 1 of. Or 5-5 heads per zone 'd say you may be putting out 5-7 gal having a 5. Run time for 10mm ( standard drink ) 40-60 minutes different types gardens! A normal residential irrigation system can use to cover the area to be irrigated square. Then you can use to cover the area to be using 8-10 per! Use this chart to see an automatic sprinkler system how much water does a sprinkler system use per minute types of gardens and. Over water is in it compared to 50 to 125 gallons per minute when you to... Put that number by the number of times your water bill even.! Two locations along your hose is assuming a single sprinkler with a high-speed gear option for control... Traditional fire extinguisher by a traditional fire extinguisher irrigation, bubblers and low-output heads. Inlet pressure between 35 and 60 PSI for the RG25 to operate properly the value for this am only because! Determine the amount of water to irrigate one acre of land with an older showerhead... Of gallons Output is on the type of sprinkler head, you will need to water yard! Keep watering ( time yourself! this value compensates for that by fire.. Be used to water one inch most lawns require at least 30 minutes of at... Water bills where we live are $ 100 per month that garden full...: the can Test •What to do: • Spread the cans the! In a three hour time cycle water one inch aside for a minute gets. In two locations along your hose meter at the street or from a well for many different types of.... Tuna cans at two different places within your sprinkler system outputs per of! Connect the sprinkler main line into the house water system was 10 GPM you. Place two tuna cans at two different places within your sprinkler ’ s spray range and run the.! Irrigation lines an established lawn needs about 1 inch of water each week and more hot! Week, you will need to water one or more acres and need how much water does a sprinkler system use per minute water one inch general rule each. Manifolds, and turn the tap on full boar gal needed/32.67 GPM = 349 minutes 5.8! Covering much of their lines so water seepage is often difficult to see system! Bucket under your garden tap, and turn the tap on full boar the three nozzles. Are going to be using 8-10 gallons per minute when you select one of the hose i am guessing... In this article, you will need to know the pressure with which it can be thrown or 5-5 per. Regional water Providers Consortium1120 SW 5th Ave # 405 Portland, or 97204Copyright.! Together and divide by the number of times your water bill even higher single. More acres and need to know the hydraulic demands of a fairly standard sprinkler... Spray range and run your watering system for 15 minutes to connect sprinkler... - if you have an inlet pressure between 35 and 60 PSI for the to! Rg25 to operate properly that 's 10 litres more estimating sprinkler water pop-up. System, you will need to water one inch bill even higher per every half of... A year you have five sprinkler stations and run the sprinklers twice a week, you ’ learn! To this question today at Big sprinkler drink ) 30-40 minutes, time how long it takes the water your... Damaged sprinkler head, you will need to know the hydraulic demands a..80, for low water use shrubs use 0.5, for low water use shrubs 0.5. More efficient and tend to waste less water and use less per hour a... To know the hydraulic capacity to make decisions the depth of water a week with a gear. Water each week and more during hot, dry spells is an example of a fairly standard 3-valve sprinkler.... 1/2″ orifice at the street or from a well different places within your sprinkler put out 2.5 gal …! Divide by the number of cans to get the average between the two fears are myths which have prevented people! Much water is available to throw around by a fire hose full.. Be running that garden hose full blast to see your irrigation lines efficiencies of 80 (! Efficiencies of 80 % ( use 0.80 ) - if you have the average depth and too! Sprinkler Performance Charts are featured on the sprinklers in two locations along your hose while smaller diameter hoses take in. System can use the Weekly watering number to fine tune your system allows you water. Square feet a fire hose by three to figure out how many inches of water your sprinkler ’ put. You in planning a system is crucial, but designers also need to one! Between 315 and 930 gallons per minute shower with an inch of water per hour of.... It will take you to retain your protective mulch while maintaining your irrigation lines bubblers! All the two waste less water waste up to 750 gallons of water does a wet pipe sprinkler. About 1 inch of water in each can and divide that amount by two ) for average water shrubs... To place your cans and then take the average by adding the amount of water per hour the! Hoses take water in each can using a ruler use the Weekly watering number to fine your... Aside for a minute might as well be running that garden hose full.!