Advanced Irrigation

10/20/2026

What Is a Backflow Preventer? A Guide for Ottawa Sprinkler System Owners

Your underground sprinkler system uses water to keep your lawn green and your landscaping healthy. But have you ever wondered what prevents water from flowing backward through your irrigation system and potentially contaminating your home’s drinking water supply?

That’s where a backflow preventer comes in.

A backflow prevention device is an important component in many residential irrigation installations. It helps protect the water supply by preventing water from flowing in the wrong direction under certain conditions.

For homeowners in Ottawa and surrounding areas, understanding how backflow prevention works can help you maintain your sprinkler system, recognize potential problems, and know when professional irrigation service is needed.

In this guide, we’ll explain what a backflow preventer does, how it works, what warning signs to look for, and why it deserves attention during irrigation system maintenance.

What Is a Backflow Preventer?

A backflow preventer is a device designed to help stop water from flowing backward into a potable water supply.

Under normal conditions, water flows from the supply toward your sprinkler system. However, changes in pressure can sometimes cause water to move in the opposite direction.

If water from an irrigation system flows backward into a drinking water supply, it can potentially carry contaminants with it.

These contaminants could include soil, fertilizers, pesticides, and microorganisms that enter the irrigation system through contact with the surrounding environment.

A properly selected and installed backflow prevention device helps reduce this risk.

The type of device required depends on the irrigation system, the potential contamination hazard, and the applicable plumbing requirements.

Why Does a Sprinkler System Need Backflow Protection?

Your irrigation system distributes water outdoors, where it comes into contact with soil, grass, garden beds, and other environmental materials.

This creates a potential pathway for contaminants to enter the irrigation pipes.

Two situations can contribute to backflow.

1. Backpressure

Backpressure occurs when the pressure downstream of a connection becomes greater than the pressure in the supply.

For example, certain pumps or other connected equipment can create pressure that pushes water backward through a plumbing connection.

Whether this can occur in a particular residential irrigation system depends on its design and configuration.

2. Backsiphonage

Backsiphonage occurs when pressure in the water supply drops, potentially drawing water backward from connected plumbing.

A water main break, certain supply interruptions, or other pressure changes can contribute to this condition.

If irrigation water is drawn backward into a potable water supply, contaminants may be introduced.

Backflow prevention helps protect drinking water by controlling these risks. The appropriate protection depends on the circumstances of the installation.

What Types of Backflow Preventers Are Used for Irrigation?

Different backflow prevention devices offer different levels of protection.

The correct device depends on the potential hazard and the installation requirements. Not every device is suitable for every irrigation system.

Atmospheric Vacuum Breaker

An atmospheric vacuum breaker, or AVB, is designed to help prevent backsiphonage.

It allows air to enter the system when the appropriate conditions occur, interrupting the siphoning effect that could otherwise draw water backward.

These devices have specific installation and operating limitations. For example, they generally cannot be installed where continuous downstream pressure is present.

They are not suitable for every irrigation application.

Pressure Vacuum Breaker

A pressure vacuum breaker, or PVB, is another device designed to protect against backsiphonage.

It typically includes a check valve and an air inlet mechanism.

Unlike an atmospheric vacuum breaker, a pressure vacuum breaker is designed for certain installations where downstream pressure may remain present.

However, it does not provide protection against every possible backflow condition, particularly backpressure in situations beyond its design capabilities.

Reduced Pressure Principle Assembly

A reduced pressure principle assembly, commonly called an RP assembly, provides a higher level of backflow protection for certain applications.

It uses two independently acting check valves and a pressure-monitored zone between them.

If a malfunction or pressure condition occurs, the assembly is designed to discharge water through a relief valve under specified conditions.

These assemblies can be appropriate for installations with higher contamination risks, depending on the applicable requirements.

They require suitable installation, maintenance, and access for testing.

Important: These devices are not interchangeable. A qualified professional must determine which backflow protection method is appropriate for the specific installation.

Where Is a Backflow Preventer Located?

The location depends on the type of device and the design of the irrigation system.

Some backflow preventers are installed above ground near the point where the irrigation system connects to the water supply.

Others may be located in designated service areas or other approved positions.

When inspecting your property, look for a plumbing assembly associated with the irrigation supply. It may have visible valves, test ports, or other distinctive components.

However, don’t assume every valve or pipe fitting is a backflow preventer.

If you’re unsure where yours is located, an irrigation professional can help identify the equipment.

It’s also important to keep the device accessible. Backflow assemblies may require inspection, testing, repairs, or servicing, and obstructing them can make maintenance more difficult.

Five Signs Your Backflow Preventer May Need Attention

Backflow prevention equipment should not be ignored when it shows signs of a problem.

Here are five things homeowners should watch for.

1. Water Leaking From the Assembly

Some reduced pressure assemblies are designed to discharge water through a relief opening under particular operating or fault conditions.

However, continuous or unexplained discharge should be investigated.

A leak may indicate a pressure issue, debris, a damaged internal component, or another problem requiring attention.

Don’t assume that every discharge is normal.

2. Damaged or Corroded Components

Outdoor plumbing equipment is exposed to weather, moisture, and changing temperatures.

Look for visible corrosion, cracked fittings, damaged housings, or signs of leakage.

If the assembly appears damaged, have it inspected rather than attempting to repair internal components without the appropriate knowledge and equipment.

3. Changes in Irrigation Performance

If your sprinkler system begins behaving differently, the cause could be related to several parts of the irrigation system.

A backflow preventer or associated plumbing restriction may be worth investigating if the symptoms point toward a supply problem.

However, weak sprinkler coverage does not automatically mean the backflow device is defective.

Other possible causes include blocked nozzles, valve problems, damaged pipes, and supply-pressure issues.

4. An Unusual Noise

A backflow assembly may occasionally make sounds as its components operate, depending on the device and conditions.

Persistent unusual noises, repeated discharge, or other unexpected behaviour should be checked.

Avoid diagnosing the problem based on sound alone.

5. Problems During Testing

Some backflow prevention assemblies must be tested using specialized equipment and procedures.

If a required test identifies a failure, the assembly may need cleaning, repair, adjustment, or replacement.

Testing should be performed by a qualified professional authorized to carry out the applicable work.

Can Freezing Weather Damage a Backflow Preventer?

Yes. Water left inside exposed plumbing components can freeze and expand, potentially damaging internal parts, housings, or connections.

This is an important consideration for Ottawa homeowners because outdoor irrigation equipment is exposed to winter freezing conditions.

However, protecting the backflow assembly is not necessarily the same as winterizing the underground sprinkler lines.

The appropriate procedure depends on the device, its location, and the manufacturer’s instructions.

Before winter arrives, make sure the irrigation system’s seasonal service includes consideration of the backflow equipment and any exposed water-filled components.

If the assembly requires specific draining, isolation, or other winter protection, follow the correct procedure for that model and installation.

Do not assume that blowing out the underground sprinkler lines automatically protects every component connected to the system.

Does a Backflow Preventer Need Regular Maintenance?

Backflow prevention equipment should be inspected and maintained according to its type, condition, manufacturer’s instructions, and applicable requirements.

Routine attention can help identify leaks, visible damage, and other problems before they become more serious.

Depending on the installation, maintenance may include:

* Inspecting the assembly for leaks or visible damage.
* Checking accessible fittings and connections.
* Confirming that the device remains accessible.
* Investigating unusual discharge or operating behaviour.
* Arranging required testing.
* Addressing problems identified during an inspection.
* Ensuring the equipment receives appropriate winter protection.

Some assemblies require formal testing at specified intervals or following particular events.

The applicable testing requirements depend on the installation and local regulations. Homeowners should confirm those requirements rather than assuming every device follows the same schedule.

Can You Repair a Backflow Preventer Yourself?

Basic visual checks are useful, but backflow prevention devices protect an important part of your home’s plumbing system.

Internal repairs, adjustments, and testing can require specialized knowledge and equipment.

Attempting an incorrect repair could leave the device unable to provide the intended protection.

If you notice leakage, damaged components, unusual discharge, or a failed test, contact a qualified backflow prevention professional.

The correct repair may involve cleaning internal components, replacing specific parts, servicing the assembly, or installing a suitable replacement.

After servicing, the device should be checked as required to confirm that it operates correctly.

Backflow Prevention and Residential Irrigation in Ottawa

For homeowners in Ottawa and surrounding areas, backflow prevention deserves attention alongside other aspects of sprinkler system maintenance.

Your irrigation system should distribute water efficiently while protecting the potable water supply from potential contamination.

When planning a new sprinkler system or modifying an existing installation, consider the backflow protection requirements before work begins.

Adding irrigation zones, changing plumbing connections, or installing equipment that affects system pressure can influence which protection method is appropriate.

A qualified professional can assess the installation and help determine what is required.

Professional Irrigation Service in Ottawa

Maintaining your residential irrigation system involves more than checking sprinkler heads and adjusting watering schedules.

The plumbing components that supply and protect the system are also important.

Advanced Irrigation Systems provides residential irrigation repair and maintenance services throughout Ottawa and surrounding areas.

Whether your sprinkler system has a plumbing issue, needs seasonal maintenance, or requires an inspection following changes to your landscaping, professional service can help identify problems and determine the appropriate next steps.

If your irrigation system has a backflow prevention device that appears damaged or is behaving unexpectedly, arrange for it to be assessed by a qualified professional.

Contact Advanced Irrigation Systems to discuss your residential irrigation service needs in Ottawa and surrounding areas.

Visit AdvancedIrrigation.ca to learn more about our irrigation services.

Final Thoughts

A backflow preventer plays an important role in helping protect drinking water from potential contamination associated with connected plumbing systems.

Although the device may not receive as much attention as sprinkler heads or irrigation controllers, it is an important component of a properly designed irrigation installation.

By keeping the equipment accessible, watching for leaks or damage, arranging required testing, and ensuring appropriate winter protection, you can help maintain your irrigation system responsibly.

If you aren’t sure what type of backflow protection your sprinkler system uses, have a qualified professional identify the device and confirm that it is suitable for your installation.

Advanced Irrigation offers reliable, water-saving systems that keep your lawn green with zero hassle. Trusted in Ottawa for over 30 years.

10/19/2026

Why Sprinkler Zones Matter: Getting Better Lawn Coverage in Ottawa

A healthy lawn needs more than regular watering. It needs the right amount of water delivered evenly across every part of your property. One of the most important parts of an efficient irrigation system is properly designed sprinkler zones.

At Advanced Irrigation Systems, we help homeowners in Ottawa and surrounding communities get more from their lawn sprinkler systems.

What Is a Sprinkler Zone?

A sprinkler zone is a section of your irrigation system that operates independently. Each zone typically has its own control valve and is designed to water a specific area of your property.

Dividing your lawn into zones allows your irrigation system to manage different watering needs, lawn shapes and sun exposure.

Why Proper Zoning Makes a Difference

1. More Even Watering

A properly designed zone helps distribute water evenly across the lawn. Poorly planned zones can leave some areas dry while others become oversaturated.

2. Better Water Efficiency

Different sprinkler heads deliver different amounts of water. Grouping compatible sprinkler heads together helps avoid overwatering and reduces unnecessary water consumption.

3. Healthier Grass

Grass growing in full sun may need more water than grass growing in shaded areas. Separate zones make it easier to adjust watering schedules to suit these conditions.

4. Fewer Irrigation Problems

Incorrectly sized zones can create uneven coverage and operating problems. A professional inspection can identify mismatched sprinkler heads, poor coverage and other design issues.

How Ottawa Homeowners Can Improve Their Irrigation System

Ottawa properties can have very different watering requirements depending on soil conditions, lawn size, landscaping and exposure to sunlight.

To improve your system:

* Check for dry patches and areas that remain excessively wet.
* Make sure sprinkler heads provide adequate overlapping coverage.
* Avoid grouping sprinkler heads with significantly different water output on the same zone.
* Adjust watering schedules to account for rainfall and seasonal conditions.
* Have your irrigation system inspected if some zones consistently perform poorly.

When Should You Have Your Sprinkler Zones Checked?

If your lawn has uneven growth, persistent dry spots or areas that receive too much water, your irrigation system may need an adjustment.

A professional inspection can help determine whether the problem comes from sprinkler placement, clogged heads, incorrect zone design or another issue.

Get More from Your Lawn Sprinkler System

A properly designed and maintained irrigation system can help Ottawa homeowners maintain a healthier lawn while using water more efficiently.

Contact Advanced Irrigation Systems to discuss your sprinkler system, irrigation repairs or service requirements in Ottawa and surrounding areas.

Let us help you get better coverage from your lawn irrigation system.

10/18/2026

Why Does Water Run Off Your Lawn Instead of Soaking In? Ottawa Irrigation Tips

s your sprinkler system watering your lawn, but the water seems to run across the surface instead of soaking into the ground? If you notice puddles, water flowing toward your driveway, or dry patches despite regular watering, your lawn may have a problem with water infiltration.

For homeowners in Ottawa and surrounding areas, understanding how soil absorbs water is an important part of maintaining a healthy lawn. Even a properly functioning sprinkler system can struggle to water your grass effectively when the soil cannot absorb water fast enough.

In this guide, we’ll explain why lawn irrigation runoff happens, how soil conditions affect watering, and what you can do to help your sprinkler system deliver water more efficiently.

What Is Lawn Irrigation Runoff?

Irrigation runoff occurs when water is applied faster than the soil can absorb it.

Instead of soaking into the ground, water travels across the lawn and may collect in low spots, flow toward sidewalks, or run onto your driveway.

This can happen even when your sprinkler heads are working correctly.

For example, if a sprinkler zone runs continuously for 20 minutes on compacted soil, water may begin pooling or flowing away before the cycle finishes.

The result is that some parts of your lawn receive too much water while other areas may remain dry.

Recognizing runoff early can help you improve watering efficiency and avoid unnecessary water waste.

1. Compacted Soil Can Prevent Water From Soaking In

Soil compaction is one possible cause of irrigation runoff.

When soil becomes compacted, the spaces between soil particles become smaller, reducing the pathways through which water and air move.

This can make it harder for water to infiltrate the ground.

Compaction commonly occurs in areas where people regularly walk, children play, vehicles travel, or landscaping equipment operates.

You might notice compaction in:

* Narrow strips of grass beside driveways.
* Areas between a patio and the house.
* Frequently used backyard pathways.
* Lawns that receive heavy foot traffic.
* Areas where construction or landscaping work has taken place.

Compacted soil can also restrict root growth, making it more difficult for grass to access water and nutrients.

If your sprinkler system repeatedly creates puddles in the same area, soil compaction may be worth investigating.

2. Clay Soil Can Absorb Water Slowly

Soil composition also affects how quickly water enters the ground.

Clay soils contain very small particles and can absorb water more slowly than many sandy or well-structured soils.

Some Ottawa lawns have clay-rich soil or areas where construction has left compacted subsoil close to the surface.

When water is applied faster than the soil can absorb it, runoff can occur.

However, not every lawn in Ottawa has the same soil conditions. Some properties have sandy soil, loam, imported topsoil, or a mixture of different soil types.

Understanding your property’s soil can help you choose a more appropriate irrigation schedule.

The important point: Increasing your sprinkler run times won’t necessarily solve a problem caused by slow water infiltration.

3. Sloped Lawns Are More Prone to Runoff

If your property has a slope, gravity can carry irrigation water downhill before it has time to soak into the soil.

This is particularly noticeable when sprinkler heads apply water continuously to a sloped section of lawn.

You may see water collecting near the bottom of the slope or flowing toward a walkway.

On sloped lawns, shorter watering cycles can sometimes improve the amount of water absorbed by the soil.

Instead of applying all the water at once, you can divide the total watering time into shorter cycles with breaks between them.

This approach allows some water to infiltrate before the next cycle begins.

The ideal cycle length depends on the slope, soil conditions, sprinkler application rate, and weather.

4. Sprinklers May Be Applying Water Too Quickly

Even when the soil is in reasonable condition, sprinkler equipment can apply water faster than the ground can absorb it.

Different sprinkler heads distribute water at different rates.

For example, a zone with several spray heads may apply water more quickly than a zone using certain rotary sprinklers, depending on the equipment and nozzle selection.

If the application rate is too high for the soil, runoff may develop before the scheduled watering cycle ends.

Signs of excessive application include:

* Puddles forming while the sprinklers are running.
* Water flowing toward sidewalks or driveways.
* Soil becoming saturated in one area while nearby grass remains dry.
* Runoff beginning shortly after a zone starts operating.

If these problems occur regularly, the sprinkler system may need adjustments to its programming, nozzle selection, or layout.

Simply running the system for longer can make the problem worse.

5. How to Tell If Your Lawn Has a Water Infiltration Problem

You don’t need specialized equipment to notice many common signs of poor infiltration.

Start by observing your lawn while the sprinkler system operates.

Look for Standing Water

If puddles form while a sprinkler zone is running, check whether the water disappears after the system shuts off.

Occasional pooling after heavy rain may be normal in some locations, but repeated puddling during routine irrigation suggests that water is being applied faster than the ground can absorb it.

Watch for Water Flowing Across the Grass

Look for small streams moving downhill or toward hard surfaces.

This is a clear sign that at least some of the applied water isn’t soaking into the intended area.

Check for Dry Patches

A lawn can have both wet and dry areas at the same time.

Water may run off compacted sections while other parts of the lawn receive insufficient coverage.

Dry patches can also result from sprinkler coverage problems, damaged heads, or differences in soil conditions, so runoff is not the only possible cause.

Examine High-Traffic Areas

Pay particular attention to areas where people regularly walk or where equipment travels.

These locations are more likely to develop compacted soil that absorbs water slowly.

6. Use Cycle-and-Soak Watering to Reduce Runoff

One practical way to manage runoff is to divide watering into shorter cycles.

This method is commonly called cycle-and-soak watering.

Instead of running a sprinkler zone continuously for one long period, you divide the total watering time into several shorter periods separated by breaks.

For example, rather than watering continuously for 15 minutes, you might test three five-minute cycles with suitable breaks between them.

This is only an illustration, not a recommended schedule for every lawn.

The correct cycle duration depends on how quickly water begins to run off and how long your soil needs to absorb it.

How Cycle-and-Soak Watering Works

Step 1: Observe the lawn.

Run the sprinkler zone and watch for the first signs of puddling or runoff.

Step 2: Shorten the individual watering cycles.

Stop the zone before substantial runoff begins.

Step 3: Allow time for the water to soak in.

The appropriate pause depends on your soil, slope, and weather conditions.

Step 4: Run another short cycle.

Allow the next application of water to soak into the ground before continuing.

Step 5: Check the results.

Adjust the cycle duration and breaks until water is being absorbed more effectively.

Many irrigation controllers support multiple start times or programmable schedules that can accommodate this approach.

If your controller doesn’t support suitable scheduling, you may need another watering method or an equipment upgrade.

7. Can Lawn Aeration Help With Water Absorption?

Aeration can help improve soil conditions in some compacted lawns.

Core aeration removes small plugs of soil, creating openings that can help water, air, and nutrients move into the ground.

It can be particularly useful for lawns affected by compaction.

However, aeration isn’t a universal solution for every runoff problem.

If the underlying issue is excessive sprinkler application, a steep slope, poor drainage, or a dense layer of unsuitable soil, aeration alone may not resolve it.

The best approach is to identify why the water isn’t soaking in before deciding which treatment is appropriate.

For established lawns with significant compaction, professional lawn care advice may help determine whether aeration is worthwhile.

8. Avoid Watering During the Hottest Part of the Day

Hot weather can increase evaporation, but changing the time of day won’t necessarily solve runoff caused by compacted soil or excessive application rates.

For most established lawns, early morning is often a practical time to irrigate because temperatures are generally lower and winds may be lighter.

Watering during windy conditions can also cause water to drift away from the intended area.

However, if your lawn develops runoff, the priority should be to address the rate at which water is being applied and the ability of the soil to absorb it.

A suitable watering schedule should account for both weather conditions and soil infiltration.

9. Don’t Increase Watering Times to Fix Dry Patches

One of the most common mistakes homeowners make is increasing sprinkler run times whenever part of the lawn begins to look dry.

This may help if the lawn genuinely needs more water, but it won’t necessarily correct runoff or uneven distribution.

If water is flowing away from a particular area, longer watering cycles may simply create more puddles.

Before changing the schedule, check:

* Whether the sprinkler heads cover the dry area.
* Whether the affected soil is compacted.
* Whether water is running downhill.
* Whether the zone applies water too quickly.
* Whether sprinkler heads are damaged or blocked.
* Whether nearby areas are becoming excessively wet.

Identifying the cause helps you make a more effective adjustment instead of increasing water consumption unnecessarily.

10. Ottawa Homeowners Should Check Runoff Throughout the Growing Season

Soil and lawn conditions can change over time.

Spring rainfall, foot traffic, landscaping work, and summer weather can all affect how water moves through your property.

A sprinkler system that operated effectively earlier in the season may begin producing runoff after changes to the lawn or soil.

Check your irrigation system periodically, particularly after:

* Landscaping or grading work.
* Soil replacement or topsoil installation.
* Changes to garden beds.
* Extended dry weather.
* Heavy use of particular lawn areas.
* Repairs or adjustments to sprinkler heads.

Pay attention to recurring wet spots and areas where water consistently flows away from the lawn.

If the problem persists, an irrigation inspection can help determine whether sprinkler adjustments or other corrective measures are needed.

Professional Sprinkler System Service in Ottawa

Your sprinkler system should deliver water where your lawn needs it without creating unnecessary runoff.

Advanced Irrigation Systems provides residential irrigation repair and maintenance services throughout Ottawa and surrounding areas.

If your sprinkler system is producing puddles, watering unevenly, or allowing water to run onto sidewalks and driveways, the problem may involve sprinkler coverage, application rates, or other irrigation system issues.

We can help assess your sprinkler system and determine whether adjustments or repairs may improve its performance.

Is your lawn experiencing irrigation runoff or uneven watering? Contact Advanced Irrigation Systems to arrange residential sprinkler system service in Ottawa and surrounding areas.

Visit AdvancedIrrigation.ca to learn more about our residential irrigation services.

Final Thoughts

Water running across your lawn instead of soaking into the ground can waste water and leave your grass without the moisture it needs.

Compacted soil, clay-rich ground, slopes, and excessive sprinkler application rates are all possible causes.

By observing your lawn while the sprinklers operate, adjusting watering cycles where appropriate, and investigating persistent problem areas, you can help improve irrigation efficiency.

For Ottawa homeowners, understanding how soil absorbs water is an important part of maintaining a healthy lawn.

A properly adjusted irrigation system, combined with suitable soil care, can help reduce runoff and deliver water more effectively throughout the growing season.

Advanced Irrigation offers reliable, water-saving systems that keep your lawn green with zero hassle. Trusted in Ottawa for over 30 years.

10/18/2026

Why Are Some Parts of Your Lawn Dry While Others Stay Green? Sprinkler Coverage Problems Explained

Why Is Your Lawn Dry in Some Areas but Green in Others?

If parts of your lawn are turning brown while other areas remain green, your sprinkler system may not be distributing water evenly. Even when your irrigation system runs on schedule, poor sprinkler coverage can leave certain sections of your lawn thirsty.

This is a common problem for homeowners in Ottawa and surrounding communities, particularly during the warmer summer months when lawns need consistent watering.

The good news is that many coverage problems can be corrected without replacing your entire sprinkler system.

1. Sprinkler Heads May Be Misaligned

Sprinkler heads can become misaligned over time because of lawn mowing, foot traffic, landscaping work, or accidental bumps.

When a sprinkler sprays onto a driveway, sidewalk, fence, or garden instead of your lawn, that wasted water can leave nearby grass dry.

What to check:

* Make sure each sprinkler head is pointing in the correct direction.
* Check that spray patterns reach the intended lawn areas.
* Look for heads blocked by plants, shrubs, or overgrown grass.

A simple adjustment may be enough to improve coverage.

2. Sprinkler Heads May Be Clogged or Damaged

Dirt, debris, and mineral deposits can interfere with sprinkler performance. Damaged nozzles may also produce an uneven spray pattern or fail to distribute water as designed.

Watch for sprinkler heads that spray weakly, rotate improperly, or leave obvious dry spots around them.

Cleaning or replacing the affected nozzle or sprinkler head can often restore proper performance.

3. Your Sprinklers May Not Have Enough Overlap

A properly designed irrigation system generally uses overlapping spray patterns to help provide consistent water coverage.

If the distance between sprinkler heads is too great, or if the heads are not distributing water as intended, gaps can develop between watered areas.

This can be especially noticeable along lawn edges, narrow strips of grass, and corners of the yard.

A professional inspection can determine whether adjustments, nozzle changes, or sprinkler relocation are needed.

4. Low Water Pressure Can Affect Coverage

Insufficient water pressure can prevent sprinkler heads from reaching their intended spray distance. Several heads may appear to work, but the water may not travel far enough to cover the entire lawn.

Possible causes include:

* A partially closed valve.
* A leak in the irrigation system.
* A clogged filter or nozzle.
* Too many sprinkler heads operating on one zone.
* An underlying water-supply or pressure problem.

If several areas of your lawn suddenly become dry, checking system pressure and zone operation is a sensible first step.

5. Your Irrigation Schedule May Need Adjusting

Not every part of your lawn has the same watering needs. Sunny areas may dry out faster than shaded sections, while slopes and sandy soil can require different watering strategies.

Running your system longer is not always the answer. Excessive watering can waste water and contribute to runoff, while short watering cycles may not provide enough moisture for your lawn.

Inspect your lawn regularly and adjust your schedule according to weather, soil conditions, and actual watering coverage.

When Should You Have Your Sprinkler System Inspected?

If you’ve adjusted your sprinkler heads and still notice dry patches, it may be time for a professional irrigation inspection.

An experienced technician can check sprinkler performance, identify coverage gaps, inspect valves and nozzles, and determine whether pressure or system design is contributing to the problem.

Correcting these issues can help your lawn receive more consistent watering while reducing unnecessary water waste.

Get Your Sprinkler Coverage Back on Track

At Advanced Irrigation Systems, we help homeowners in Ottawa and surrounding areas keep their irrigation systems operating properly. Whether you have uneven sprinkler coverage, damaged heads, or a system that isn’t watering your lawn as it should, professional service can help identify the problem.

Don’t wait until dry patches spread across your lawn.

Contact Advanced Irrigation Systems today to arrange your sprinkler system inspection or repair and help keep your lawn looking its best.