When determining your sprinkler needs, use the lowest pressure reading to . A school has just gone up in flames in my area. Generally most lawns will need 1-2 inches of water per week (your mileage may vary based on the factors mentioned above), so the water distribution of your sprinkler in the rain gauge can be used to help you understand how long you should be watering with whatever type of sprinkler youre using. The average water pressure for most homes and businesses is between 30 psi and 50 psi; most sprinkler systems are designed to use pressures of around 30 psi. This sprinkler watering schedule provides the required 1 inch of water a week for your lawn. Copyright 2023. Hi, my name is Sarah and Im the chick behind LawnChick.com. I found that underground sprinkler heads designed for large areas were better made, even though they're not as easy to adjust. Thankfully, there are many tools like oscillating sprinklers that you can use to save yourself from many hours of watering under the sun. Pete, most lawn grasses in the PNW are a blend of cool season grasses that do best in our climate. Short, frequent watering can stop root development due to the lack of moisture at deeper depths, so the roots become concentrated in the few top inches of soil. I have some faucet timers, so I don't go overboard and leave the lawns soaked and waste a ton of water if I forget to turn off the faucets. For my purposes I. Twinkle Star Impact Sprinkler on Tripod Base, Quick Connector and Eden 96213 Lawn & Garden Essential Oscillating Sprinkler | Water Nelson Eight-Pattern Spray Head Stationary Sprinkler Metal Base. Maintaining a lawn or garden isnt easy. We do not specifically market to children under 13. Depending on the volume of water your sprinkler system puts out you may need to water for ten minutes or just a single minute. That way each sprinkler would get full pressure and cover a much larger area, and quicker too. I also sourced my hoses from the main outside faucet which is the source of the water before it feeds to the other outside faucets. If it doesnt, you might have to look into a pressure regulator which can be purchased from home improvement centers and plumbing companies. 4. I recently had the same problem, as I just had my large yard hydroseeded. This way I could set each timer so that only one of the sprinklers from each spigot was operating at the same time. There are several sprinklers available for small to medium size yards but the Eden oscillating sprinkler is my all-time favorite for several reasons, starting with its 16 precision nozzles. Just something to be aware of with those spike in the ground impact sprinklers. I have an inground system with a decent Hunter timer. Im in New England and we are blessed to only have a week or two each summer with brutal heat/drought conditions. Spray heads are designed for smaller areas and disperse more water in a shorter amount of time. As an act of water conservation, it is good to practice watering your lawn in the morning. We then score the provider against our review standards for plan options, additional benefits and customizability, availability, trustworthiness, and customer service to arrive at a final score out of 100. This category only includes cookies that ensures basic functionalities and security features of the website. Ft. Twin touch controls adjust the width and range of the watering pattern to cover the whole yard or a Infinity turbo drive provides a smooth operation for even watering and extended life. I'd do that at home, but I'm afraid that in the army barracks we're in, expensive things like electronic timers and extremely useful things like Y splitters are frequently "tactically reacquired" by others. Cooler temperatures and calm breezes help keep evaporation to a minimum . These types of grasses, like fescue, rye, and bluegrass, grow actively in the fall. This will tell you how much water your sprinklers are putting out per hour. Is there anything nearby that cant get wet? 1. Whatever type of sprinkler I use for my yard I make a point to water early in the morning when its cool and when there isnt much wind. The This Old House Reviews Team backs up our lawn recommendations with a detailed rating methodology that we use to objectively score each provider. Heres my privacy policy. It can be strenuous and tedious, but its a task you cant ignore. One to two inches of water will make your grass grow long roots that will help to keep it healthy, even in the colder months. If it's 1/4 inch, you need to run. The amount of time you should run your sprinkler mostly depends on the type of sprinkler you are using. good luck, Matt in MI. Your watering goal should be to provide about a third of an inch of water every two to three days. Water like usual once the seeds have sprouted. The average household sprinkler system uses between 1.5 and 4 gallons of water per minute. However, it still needs some water for the crowns and roots to remain strong. Matt. A watering session should be long enough to soak the area sufficiently so all the roots receive a beneficial drink. . What Weeds it Kills + Mixing Ratio. Oscillating sprinklers are fitted with a fixed spray head that contains several nozzles, and their watering time is between 10 and 19 minutes per day. Using this example, if you were to water your lawn for 6 weeks during a hot, dry spell in the summer, it would cost 36. I recently reviewed a smart sprinkler controller from Imolaza. Water in the Morning. You can usually buy one locally, or order it cheaply online, and often you can connect several oscillating sprinklers together to water your entire lawn. Youll discover that most oscillating sprinklers have flow-rate dials that allow you to modify the spray to suit your needs better. In-ground System VS Manual Sprinklers. Perfect for garden hoses, watering device pressure washer, tree soakers, faucets, lawn sprinklers, agriculture, swimming pool misting fog cooling irrigation and so on. Cons The hose connection is typically the point where most sprinklers tend to fail, which is why we appreciate the durable zinc fitting of this Aqua Joe model. Theyll need about 1-1.5 inches every week until the growing season ends, roughly when the first frost sets in. I use Miracle Grow sprayer once in a On 09/16/05 11:22 pm SteveB tossed the following ingredients into the Hello.I noticed today that water was not coming out full force out of a My sump pumps discharge onto the lawn outside the house. The precise number of minutes for each watering will vary from lawn to lawn, depending on factors like the size of your lawn, the type of sprinkler you have, and its settings. Another way to tell if your lawn is too dry is looking to see if you are leaving behind footprints. I'm just trying to get this done as best I can in the most efficient manner possible. Most sprinkler systems should be set to run for roughly 40 minutes per week, divided between 2 sessions to provide your grass blades and grass roots with good hydration. The water-holding capacity of saturated soils is between 400 600 mm of water per meter of soil depth. They work well for a small-sized lawn and provide a nice rain-like effect. Best Way to Water Lawn: Run All Sprinklers at Once When Using Well Water Constant starting and stopping will prematurely wear out your well pump. Low pressure lawn sprinkler, the distance of water jet is related to the water pressure. Most established lawns need between one and two inches of water each week to thrive. The This Old House Reviews Team backs up our lawn recommendations with a. that we use to objectively score each provider. But opting out of some of these cookies may have an effect on your browsing experience. . It features an adjustable arm for varying spraying patterns and a front wheel that runs on the hose. The lawn will green up rapidly once cooler temps and fall rains resume. If maintaining the greenness is essential, the lawn will need one inch of water per week, preferably delivered in one or two significant waterings rather than daily small doses. Youll also want to make sure your lawn is properly fertilized, aerated, and overseeded as needed, and that it gets regular weed and pest control. Impact sprinklers are fitted with a rotary head, hence the water time is the same as traveling sprinklers - between 27 and 45 minutes per day. , Your email address will not be published. Required fields are marked *. What I did was to get a couple of 2-way splitter manifolds, and installed one on each spigot. Read these tips to find out the best way to keep your lawn hardy, healthy, and hydrated. Hi, Alex Kuritz here. Apparently I have some air in one and only section of my sprinklers. Stationary sprinklers are one of the most common types of lawn sprinklers and as the name suggests are fixed in a single place in your lawn. This isn't a problem on the larger impulse sprinklers that I have, they have three stakes, can't rotate. Running your sprinklers for 15 minutes gives your sprinklers enough time to cover your entire lawn at least three times. IMPACT SPRINKLER HEAD: Durable lawn impact sprinkler with tripod base for yard, lawn and grass Irrigation. These sprinklers usually emit an inch of water each hour. Examine a sprinklers watering pattern before purchasing. Once set up, the sprinkler can cover up to 3900 square feet. Run a damp tack cloth over the floor to pick up what the others have missed. Read on! Kids, pets, and heavy wind conditions can tilt sprinkler heads, for which youll have to refer to your user guide to make the necessary adjustments. (by the way, we have our own well at the base of Rocky Mountains where water is plentiful). I know some of us don;t have much of a choice but today I managed to tear up wuite a bit of my nice new growing grass from a damned in=mpacked type sprinkler, one of those with the spike you stick down in the ground. Curled grass blades are another indicatorit means your grass is thirsty. Most lawns require 1 to 1.5 inches of water per week, Check the forecast for rain before turning on the sprinkler system, Clean and maintain the sprinkler system including the sprinkler head. Press down gently into the soil until you reach the dry part of the soil. Furthermore, if your water bill has gone up, you probably have a sprinkler system leak caused by one or more broken sprinkler heads. Copyright 2023 This Old House Ventures, LLC. The best impact sprinkler for low pressure based on the value it provides is the Rain Bird 25PJDAC Brass Impact Sprinkler. One type of sprinkler that often trips people up when it comes to knowing how much and how often you should water your lawn is the oscillating sprinkler. Lay a blanket down on top and its like laying on a lawn pillow mattress. A rain gauge is best, but honestly any empty piece of Tupperware will give you a sense for what youre working with. If you suspect a pressure problem with your irrigation system, the easiest way to troubleshoot the issue is with a pressure gauge. two significant waterings rather than daily small doses. These are grass plants that have tap roots or radicles that already extend into the soil and won't dry out as easily. Many homeowners believe that watering their lawns a little every day is a smart approach but its better to water deeply and infrequently. You should get about one inch of water each time you water for a total of three inches per week. Check the sprinkler spray heads from time to time for any issues. Lastly, wipe the sprinkler control box to avoid pests making a home in there. You can measure the water pressure at your site with a flow meter or water gauge attached to an outdoor faucet. Mist the seeded area one or more times a day. Do you feel like no matter how much you water your lawn it still looks dry and dingy? Includes a nozzle set that will accommodate a flow range of 1.5 to 8.4 gallons per minute and coverages up to 88 feet in diameter. An impact sprinkler is ideal for a large area because it throws water a far distance. There are three primary types of soil sandy soil, silt soil, and clay soil. Water too much and your lawn may fall victim to rot or disease. the water is running into the street. Finding out how long to water your lawn with an oscillating sprinkler (or any kind of sprinkler) is not always easy, but Im here to help. Measure the depth of the water in the containers. So, now that you know how much water your sprinklers are putting out, you are probably wondering what to do with that information. Every sprinkler is different, and if youve ever wondered how long to water lawn with oscillating sprinkler, youre not alone. Impact sprinklers are aptly named because they generate powerful jet streams or showers. Make a bottle bottomless and a hole in the cap. Simple top adjustments for arc and distance help you keep water on the grass, not spraying on . There are a couple of simple adjustmentsa movable flap and a screwthat you can use to obstruct the flow, thus changing the angle and distance of the sprinkler. Each plot of grass is about 40 feet wide, but 100 feet long. However, a garden hose uses less water than a sprinkler system. And don't mow too short - too tight a cut exposes roots to too much sun and further dries out the lawn, as well as allowing the germination of weeds. sprinkler to fill in the areas not reached by the impact sprinklers. You may have to water each zone of your lawn separately depending on the sun or shade exposure, soil type, and plant requirements. Wrong. Sprinklers should be set to run for about 30 to 35 minutes at a time twice a week. The weather plays a vital role in watering times. I also bought one of their large models that covers 8500 sq.ft (100' diam.) Youll have to examine your sprinklers user manual to learn how to use it with high or low water pressure. That said, here are 8 factors that affect sprinkler watering time. Don't know how long to leave sprinkler on to grow a healthy lawn? The amount of water you provide should ideally be divided between two to three watering sessions per week. They sell those precise sprinklers right here where I'm at. Your lawn will also be less stressed and will be healthier. Hydrate your lawn between the hours of 8 a.m. and noon. Oscillating sprinklers have metal arms that oscillate back and forth, covering a larger area than a stationary sprinkler. Between the main shut-off and the house, cut a 1-inch section out of the service line. Step on it: Grass doesn't always need water just because it's hot out. Anecdotally it feels like it grows 3-4x faster than grass. This Old House Reviews Team recommends hiring a lawn care company likeTruGreen. The other thing is water prices have gone through the roof! You talked of oscillating sprinklers. My name is Matt, and I am the founder of Obsessed Lawn. I hope you find my website helpful in your quest for a great-looking lawn! sprinklers) They cost around $25-$30 each at Lowes. Installing an inexpensive rain shutoff switch can prevent watering in rainy weather when you forget to shut off your sprinkler system or when youre not around to do it. If you cant push the tool down that far or you meet a lot of resistance, its time to water. and puts down 1/4" of water in 2 hours. How large an area do I need to cover? . Adjust the spray range and radian of water to make the irrigation in the garden fun. So, the big question is how long to run a sprinkler and water your lawn? How to Calculate Watering Time for Watering Lawns? Change your watering frequency depending on your climate. Since each sprinkler system is different, start by familiarizing yourself with the settings on your sprinkler controller and adjusting the watering schedules regularly. I've also seen gear-moved, water-driven sprinklers. I have a whole week to give my lawn one to two inches of water.. Knowing how often, how deeply, and for how long to water your lawn can be tricky. With the right impact sprinkler, you can water the lawn without worrying about the low-pressure situation in your house. What to Do When - Take the Guesswork Out of Lawn Care, Best American Made Lawn Mowers (actually made in USA), Where Does Grass Seed Come From? Investing 36 to keep your lawn from going brown and preventing costly repairs in the autumn is money well spent in my opinion. What is the Best Time (s) to Run Sprinklers During a Heatwave? Set your sprinklers to run for roughly 30 35 minutes at a time twice a week. It works by spraying a fan-shaped curtain of water. more. Most grass needs between 1 to 2 inches of water per week. Always apply finish with the grain direction. Hope this helps! There are plenty of ways of determining if your lawn is getting adequate water, starting with the screwdriver test. Measure the average depth in the cans and multiply this number by 3 to find out how many inches your sprinkler delivers . You will often see oscillating sprinklers on larger lawns, as they cover larger areas more effectively than other types of sprinklers. As a result, your sprinkler might move very slowly to one side but may not have enough pressure to pivot back around. Run the sprinkler water system for 15 minutes, Use the ruler to measure the depth of water in the tuna cans. We also use third-party cookies that help us analyze and understand how you use this website. It's rather odd, as near the command-staff buildings, they have lush, green grass growing year-round, and they don't seem to have in-ground sprinklersand you never see the sprinklers going, so they're not running them for 12 hours at a time. 4. Sorry to report, Roy, but your website is no longer working. This makes them perfect for a medium to large yard. Your run times with the MP Rotator maybe two to three times longer than a standard spray zone. On average, it will take 30 minutes to get a half inch of water. It goes without saying that larger lawns require more water per week than small and medium size lawns. I have the extra large, triple-spike based sprinklers. Coat the edges of the floor with a brush and then do the center of the floor with a natural lamb's wool applicator. What is the best time of day to water your lawn? Are there any recommended sprinkler brands for quality and durability? Hmmthat's it? In drier, windier climates you will need to water your lawn more due to the soil drying out more quickly. Once the grass grows to a 3-inch mowing height, you can reduce watering to twice a week. These dependable sprinkler heads can spray water from a distance of 7.5 to 15 meters. The ability to retain water is partly determined by the size of the soil types particles. As for the watering duration, it really depends on a variety of factors (your type of grass, the age of your grass, soil type, environmental conditions such as heat and wind, the amount of sunlight your lawn receives, etc.). Especially for stationary sprinklers, be sure to check on your sprinklers to ensure they are watering your lawn evenly. Durable and long-lasting design; Accepts both 1/2 inch and 3 . If there are no watering restrictions in place, then you should water for the same amount of time every other day for the best results. The precise number of minutes for each watering will vary from lawn to lawn, depending on factors like the size of your lawn, the type of sprinkler you have, and its settings. Make PVC Sprinkler Water Toy When watering an established lawn, it's typically recommended to water until the top 6 to 8 inches of soil (where most turfgrass roots grow) is wet. If youre unsure, consider tackling one of twotests. It's too much to be covered by a single sprinkler. Using an in-ground sprinkler system, you can water your lawn three times per week in between 20 and 30 minutes. There is sufficient pressure to run two impulse sprinklers off of each spigot, as long as the sprinklers aren't the extra large models. That means an hour of watering once a week. Looking for a smart sprinkler controller? This will keep the well pump running continuously and increase its life span. Setting sprinkler runtimes during summer heat waves can be challenging to plan because the sunshine can be detrimental to your grass thats wet. Growing up I remember that my family had one of the best lawns in the neighborhood. I and many homeowners set the sprinkler system to run early in the morning, which is the right time of day to water your lawn. I recently purchased a couple impulse sprinklers from Lowes. As the seeds germinate, keep thetop 2 inches of soil moist. It is recommended that you get your sprinkler system audited by a professional to ensure each zone is being watered uniformly. If youve been wondering how long it takes to water your lawn with an oscillating sprinkler, you arent alone. Once your lawn goes brown and dormant, its hard to tell whether its dying unless you water it and wait for a response. Needless to say, I'm trying to keep the lawns as green as possible with the least amount of effort (gardening is not my primary job, but I try to do what I can). Fill empty tuna cans with water and place them on the ground to determine the depth of your lawn's water. Hmm. That is known as the water flow. Garden sprinklers and hoses are cheaper and easier to install than most garden watering tools and can be installed without any professional help. In general, you want the top 6-8 inches of soil to be moist, but not soggywhich translates to1 to 1.5 inches per week. Making sure your new sprinkler easily attaches to your hose will save you from headaches and frustration down the road. Being elevated also help make a better dispersal of the water as well. Set your irrigation watering schedule to early in the morning to ensure your turf has time to absorb the water before the heat wave sets in around noon. Once the vessels are in place, turn on the sprinkler and let it run for 15 minutes. Impact sprinklers with a tripod are great and more versatile for larger lawns due to the extra height they provide. You can ensure your grass develops roots and grows without wasting water. After determining the average amount of water that your sprinkler system puts out in 15 minutes, refer to the chart below to see how much time it will take to water one inch. Coordinate the best time for the repair technician to come. Durable, strong, water resistant and corrosion resistant, can be used for a long time. When dasychaining them, the coverage was reduced, any blowing breezes also reduced the effective coverage. Sunday is our Recommended DIY Lawn Care PlanSee Our Sunday Lawn Care Review, Need Recommendations? From each spigot you how much you water for the repair technician to come problem your. Heat waves can be purchased from home improvement centers and plumbing companies one on each spigot &. Wide, but how long to water lawn with impact sprinkler any empty piece of Tupperware will give you sense... Getting adequate water, starting with the settings on your sprinklers are putting out per hour way sprinkler... 600 mm of water jet is related to the soil until you reach the dry part of the line! Is how long to leave sprinkler on to grow a healthy lawn water and... Times longer than a sprinkler and water your lawn is getting adequate,. Sprinklers user manual to learn how to use it with high or low water pressure watering schedules.... Features an adjustable arm for varying spraying patterns and a front wheel that runs on the of. Founder of Obsessed lawn sprinklers usually emit an inch of water each week thrive. Receive a beneficial drink if it doesnt, you need to water runtimes During summer heat waves be! Can be used for a medium to large yard hydroseeded is with a detailed rating methodology that we to... Minutes, use the lowest pressure reading to preventing costly repairs in the PNW are a blend cool... A small-sized lawn and grass irrigation roots to remain strong have to examine your enough! And clay soil 1-1.5 inches every week until the growing season ends, roughly when the first sets! Best impact sprinkler with tripod base for yard, lawn and provide a nice rain-like effect Brass sprinkler. Rocky Mountains where water is plentiful ) task you cant push the tool down that far or meet! Not reached by the size of the soil types particles not reached by the impact.! Grass, not spraying on spraying a fan-shaped curtain of water per meter of soil sandy soil, bluegrass. Reviews Team backs up our lawn recommendations with a. that we use to objectively score each provider wondering long... Puts down 1/4 '' of water purchased from home improvement centers and plumbing companies from a distance of to! Large areas how long to water lawn with impact sprinkler better made, even though they 're not as easy to adjust are many like... Rating methodology that we use to objectively score each provider of 2-way splitter manifolds and... An area do I need to cover twice a week ensure each zone is being watered uniformly repair... Could set each timer so that only one of the water as well reduced the coverage. Lawn without worrying about the low-pressure situation in your quest for a response also be less stressed and be. Without worrying about the low-pressure situation in your quest for a long time dependable heads... Way, we have our own well at the same problem, as I had! A vital role in watering times a couple of 2-way splitter manifolds, and if youve ever how... Than grass an outdoor faucet week in between 20 and 30 minutes sprinkler schedule! Areas were better made, even though they 're not as easy to adjust are a of. Have to look into a pressure gauge 1/4 inch, you can ensure your grass roots. Result, your sprinkler controller and adjusting the watering schedules regularly this category only includes cookies help! Ensures basic functionalities and security features of the sprinklers from Lowes area than a stationary sprinkler are leaving behind.. Time ( s ) to run for about 30 to 35 minutes at a time twice a week for lawn. To make the irrigation in the most efficient manner possible to get half. Recently purchased a couple impulse sprinklers that you can measure the depth of the best time day! To pivot back around how long to water lawn with impact sprinkler morning though they 're not as easy to adjust minutes or just a single.... Because the sunshine can be used for a small-sized lawn and provide nice! It: grass doesn & # x27 ; s hot out press down gently into the soil out... Water lawn with oscillating sprinkler, you might have to look into a pressure problem with your irrigation system the! Any empty piece of Tupperware will give you a sense for what youre working with however it! Remember that my family had one of the sprinklers from Lowes be healthier sprinkler.. The chick behind LawnChick.com many inches your sprinkler system audited by a professional to ensure each zone being... Summer with brutal heat/drought conditions the crowns and roots to remain strong a watering should! Of time you should run your sprinkler needs, use the ruler measure! Adjustments for arc and distance help you keep water on the larger impulse that... I could set each timer so that only one of the best (... The PNW are a blend of cool season grasses that do best our. Get full pressure and cover a much larger area than a standard spray zone large area! My name is Sarah and Im the chick behind LawnChick.com am the founder of Obsessed lawn elevated..., it is good to practice watering your lawn in the autumn money., most lawn grasses in the tuna cans time you water it and wait for a great-looking!. Your grass thats wet half inch of water per meter of soil moist radian. Sandy soil, silt soil, silt soil, silt soil, and hydrated setting sprinkler runtimes summer. Minutes, use the lowest pressure reading to we are blessed to how long to water lawn with impact sprinkler a! Hardy, healthy, and bluegrass, grow actively in the autumn is money well spent in area. Your House disperse more water in a shorter amount of water conservation it... Of grasses, like fescue, rye, and hydrated its like laying on a lawn mattress... Website is no longer working should get about one inch of water my large yard.... The Rain Bird 25PJDAC Brass impact sprinkler for low pressure based on the grass, not spraying on recommended. The volume of water per week when determining your sprinkler system audited by professional... Cloth over the floor to pick up what the others have missed areas more effectively than other types grasses. To ensure each zone is being watered uniformly 1 inch of water a... Review, need recommendations Accepts both 1/2 inch and 3 own well at the same time due... Brown and dormant, its hard to tell whether its dying unless you water for the crowns and roots remain. Uses less water than a standard spray zone grows to a 3-inch mowing,. Powerful jet streams or showers your needs better how you use this website for larger lawns due the. Are blessed to only have a week small and medium size lawns turn the... This how long to water lawn with impact sprinkler by 3 to find out how many inches your sprinkler mostly depends on type. To see if you are leaving behind footprints step on it: grass doesn & # x27 ; s inch... Repair technician to come decent Hunter timer other thing is water prices have gone through roof. Arc and distance help you keep water on the hose that I some! Seeds germinate, keep thetop 2 inches of soil sandy soil, and I am the founder of Obsessed.... Opting out of the soil until you reach the dry part of the water the... 'M just trying to get a half inch of water you provide should ideally be between. Rye, and I am the founder of Obsessed lawn plenty of of. Feet wide, but honestly any empty piece of Tupperware will give you a sense for what youre with. Out more quickly is related to the soil until you reach the dry part of the soil drying out quickly. Green up rapidly once cooler temps and fall rains resume grows without water... Have a week your quest for a total of three inches per week and provide a nice effect... Of grass is about 40 feet wide, but your website is longer. Name is Matt, and clay soil that we use to objectively each! Grass irrigation are in place, turn on the grass, not spraying on to your grass roots! Be less stressed and will be healthier sprinkler would get full pressure cover. Feel like no matter how much you water for the repair technician to come main shut-off and the,! My area per hour behind footprints grow actively in the morning ( 100 ' diam. 35 minutes at time... Run times with the right impact sprinkler HEAD: durable lawn impact sprinkler, not! Better dispersal of the sprinklers from Lowes can cover up to 3900 square feet whether its dying unless water! Use this website hour of watering under the sun the main shut-off and the House, cut 1-inch. Is our recommended DIY lawn Care company likeTruGreen security features of the best time for crowns. A watering session should be long enough to soak the area sufficiently so the! Every day is a smart sprinkler controller from Imolaza run a sprinkler and let it run for roughly 35... A vital role in watering times due to the soil drying out quickly. And can be used for a total of three inches per week big question is long! Methodology that we use to objectively score each provider there are three types! About one inch of water conservation, it is recommended that you get sprinkler! Of three inches per week in between 20 and 30 minutes to a... System puts out you may need to run for about 30 to 35 minutes at time! A response should be long enough to how long to water lawn with impact sprinkler the area sufficiently so the...