Here’s a look at the current San Antonio TX water restrictions: you can only water your lawn on specific days and at specific times. These rules aren’t arbitrary; they’re directly tied to the health of the Edwards Aquifer—our city’s main water source—and are managed by the San Antonio Water System (SAWS) to keep the supply stable for all of us.

Why Your Lawn Has A Watering Schedule

Ever wonder why San Antonio tells you exactly when you can water your grass? The reason lies deep beneath our feet, inside a massive underground reservoir called the Edwards Aquifer.

Think of it as a huge, shared water savings account for more than two million people across South Texas, serving communities in Bexar, Comal, and Hays counties.

When rain is steady, that account stays full. But during the hot, dry spells we know all too well, the water level drops. SAWS puts watering schedules in place to keep our collective account from going bust. These rules aren’t just a reaction to a bad drought; they are a core part of a long-term strategy to manage our most vital resource.

Protecting A Shared Texas Resource

At its heart, the goal of these restrictions is to cut back on the overall demand on the aquifer, especially for non-essential outdoor uses like watering your lawn. By staggering watering days based on your street address, the system stops everyone from turning on their sprinklers at once and causing a massive drain on the supply.

This managed approach is what protects the aquifer levels for what really matters: drinking water, sanitation, and firefighting.

These conservation efforts are a modern reflection of a long-standing challenge in our city’s history—balancing growth with the finite nature of our water supply.

This isn’t a new problem. San Antonio’s history is filled with attempts to manage water for a growing population. Back in the 1970s, plans for a surface water project were shot down by a public vote in 1991, which really showed how committed the community was to protecting the aquifer first. You can dig into San Antonio’s water management journey to see the history that led to today’s policies.

A Community-Wide Effort

Ultimately, following the watering schedule is about more than just avoiding a citation. It’s a collective action, a sign of our community’s commitment to being good stewards of our resources.

When residents and businesses in San Antonio—and in neighboring areas like Guadalupe and Cameron counties—follow these rules, we’re all pitching in for a more resilient and sustainable water future for South Texas.

Decoding SAWS’ Water Restriction Stages

Trying to keep up with the San Antonio TX water restrictions can feel like a moving target, but the system is actually pretty straightforward once you understand the logic behind it. The San Antonio Water System (SAWS) uses a staged approach to manage our water supply, with each level triggered by one critical factor: the health of the Edwards Aquifer.

Think of it as our community’s playbook for getting through dry spells. As the aquifer levels drop, SAWS escalates the restrictions, moving us into stricter stages with tighter rules. It’s a proactive method that helps protect our most precious resource, ensuring there’s enough water for everyone’s essential needs, from San Antonio all the way to New Braunfels.

The Foundation: Year-Round Rules

Even when aquifer levels are healthy and things seem fine, a set of baseline conservation rules is always active. These Year-Round rules are the foundation of our water-saving culture. They permit landscape watering with a sprinkler or irrigation system any day of the week, but with one important catch: only before 11 a.m. and after 7 p.m.

That simple time-of-day restriction is surprisingly powerful. Watering during the cooler parts of the day means less water is lost to the scorching Texas sun. More water actually makes it to the roots of your grass and plants instead of just evaporating into thin air. It’s a smart, permanent habit for our climate.

This infographic gives you a great visual of how the rules tighten up as SAWS moves us through the different stages.

As you can see, the biggest change from one stage to the next is how many days you’re allowed to use spray irrigation—a direct response to the increasing stress on our water supply.

From Stage 1 To Stage 4: A Breakdown

When the Edwards Aquifer’s level starts to dip below a certain point, SAWS officially declares Stage 1 restrictions. This is the first real step-up. The main change? Watering with a sprinkler is now limited to just one designated day per week, based on the last digit of your street address. The time limits (before 11 a.m. and after 7 p.m.) stay the same.

If the aquifer continues to drop, we enter Stage 2. The rules get a bit tighter here. You still get your one designated watering day, but the hours are often shortened to further cut down on evaporation and overall demand. The exact times can vary, so it’s always best to check the current rules.

The move from one stage to the next isn’t random. It’s a direct reflection of the real-time health of our aquifer. These rules are a community-wide effort to adapt to changing environmental conditions across Bexar, Comal, and Hays counties.

During more severe droughts, SAWS can declare Stage 3 and, in critical situations, Stage 4. This is where the rules get much tougher.

• Stage 3 usually shrinks watering hours even more and can place new limits on things like washing your car at home or filling up a swimming pool.
• Stage 4 signals a critical drought emergency. At this point, watering with spray sprinklers is often banned completely. Outdoor water use is typically restricted to hand-watering or drip irrigation during very specific, limited hours.

SAWS Water Restriction Stages At a Glance

To make it easier to track, here’s a quick comparison of what’s allowed during each of the most common restriction stages.

Restriction Stage	Watering with Spray Irrigation	Watering with Drip System/Soaker Hose	Hand-Watering (Hose, Bucket, etc.)
Year-Round	Any day, but only before 11 a.m. & after 7 p.m.	Permitted any day, any time.	Permitted any day, any time.
Stage 1	One day per week, before 11 a.m. & after 7 p.m.	Permitted any day, before 11 a.m. & after 7 p.m.	Permitted any day, any time.
Stage 2	One day per week, during reduced hours.	Permitted any day, during reduced hours.	Permitted any day, any time.
Stage 3	Varies; may be prohibited or severely limited.	Permitted during specific, limited hours.	Permitted any day, any time.
Stage 4	Generally prohibited.	Permitted only on certain days and hours.	Permitted any day, any time.

By staying on top of the current San Antonio TX water restrictions, you can confidently manage your landscape, sidestep fines, and do your part to protect the long-term health of our vital Texas water supply.

How One Well Controls Water For Millions

It sounds almost impossible. How could a single water well dictate the daily lives of millions of people across South Texas? But for anyone living over the Edwards Aquifer, that’s exactly what happens. The key to understanding San Antonio TX water restrictions isn’t some vast, complex network of sensors. It all comes down to one specific, critically important monitoring point: the J-17 index well.

Located right here in Bexar County, the J-17 is the official measuring stick for the health of our entire region’s primary water source.

Think of it like the fuel gauge on your car. When the J-17 shows the aquifer is full, everything runs smoothly. But as that level drops, it’s a bright, flashing warning light telling us it’s time to conserve—or in our case, cut back on water use.

The Single Trigger for All Restrictions

The Edwards Aquifer Authority (EAA) keeps a constant watch on the J-17 well’s water level, measured in feet above mean sea level (msl). This one number is the trigger for declaring what are known as Critical Period Management stages, which directly lead to the watering rules we all have to follow.

When the J-17 level dips below certain established trigger points, the EAA mandates specific cutbacks for everyone holding a water permit. That includes major municipal suppliers like the San Antonio Water System (SAWS). In turn, SAWS implements its corresponding restriction stage for every customer, from families in residential neighborhoods to businesses across Bexar County and the surrounding areas.

This system creates a direct line from the physical condition of the aquifer at one spot to the rules you have to follow in your own backyard. A drop in the J-17 has a ripple effect felt across Hays, Comal, Guadalupe, and Bexar counties.

The data from this well isn’t a suggestion; it’s a command. For instance, a severe drought can push aquifer levels dangerously low. On May 23, 2025, the EAA declared Stage 5 Critical Period Management after the J-17 well dropped to 624.7 feet—a staggering 33 feet below its historical average. This triggered severe cuts in water use across the region. You can see the official EAA declaration to understand the seriousness of such a drop.

Why This One Well Matters So Much

So, why all the focus on this single well? The J-17 was chosen because its specific location and depth give a remarkably reliable snapshot of the water pressure and storage conditions across the entire San Antonio Pool of the aquifer. It’s not just a random well; it’s a strategically placed sentinel that has provided consistent, trustworthy data for decades.

Relying on one index well gives us a clear, undisputed benchmark for making what are often tough decisions. It cuts through any ambiguity and creates a transparent system for managing a resource shared by agricultural, industrial, and residential users across South and Central Texas.

The next time you have to adjust your sprinkler schedule, remember it all started with a measurement from one very important well.

How To Avoid Common Water Restriction Fines

Knowing the rules for San Antonio TX water restrictions is one thing. Actually avoiding a costly fine is another thing entirely. The San Antonio Water System (SAWS) isn’t just making suggestions; these rules are actively enforced to protect our community’s water supply, and even accidental slip-ups can hit you in the wallet.

The best way to keep your money where it belongs is to understand the most common mistakes people make. These are enforceable rules with real financial teeth for both homeowners and businesses.

The good news? Most violations are surprisingly easy to prevent. It just takes a little bit of attention to your daily habits and, more often than not, the settings on your sprinkler system. A few simple checks are usually all it takes to stay on the right side of the law.

The Most Common Violations

While every property is different, SAWS conservation patrols tend to see the same handful of mistakes again and again across Bexar County. Paying attention to these common slip-ups can save you a world of trouble.

The single most frequent violation is watering on the wrong day or at the wrong time. This almost always happens when someone forgets to adjust their automatic sprinkler timer after the restriction stage changes. It’s an honest mistake, but it’s one that can lead directly to a citation.

Other common issues include:

• Water Runoff: This is a big one. Allowing water from your irrigation system to pour off your property and into the street or gutter is a clear violation. It’s the definition of water waste.
• Broken or Misaligned Sprinklers: That geyser shooting water 20 feet in the air from a busted sprinkler head is an obvious red flag. So is the sprinkler that’s watering the sidewalk instead of the grass. Both are fineable offenses.
• Improper Car Washing: You can typically wash your car at home, but you can’t just let the hose run. You have to use a bucket or a hose equipped with a positive shut-off nozzle—the kind that stops the water flow the second you let go of the handle.

The core principle behind all enforcement is preventing water waste. Any activity that lets water run down the drain for no good reason is likely to draw the attention of SAWS patrols, no matter what stage we’re in.

How Enforcement Works and What You Risk

So, how do people get caught? SAWS uses a mix of dedicated conservation patrols driving through neighborhoods and, just as importantly, reports from concerned citizens. If you see water waste, you can report it—and your neighbors can do the same.

The penalty system is built to educate first, but it gets serious with repeat offenses.

1. First-Time Violation: You’ll typically get a written warning hung on your door. This is your official notice and a chance to fix the problem without a financial penalty.
2. Second-Time Violation: This often escalates to a surcharge added directly to your monthly SAWS bill. Now it’s costing you money.
3. Repeat Violations: If the problem continues, you can receive citations with fines that grow with each offense, potentially reaching several hundred dollars.

Staying informed about the current San Antonio TX water restrictions is your single best defense. By ensuring your irrigation system is running efficiently and your watering schedule is correct, you can easily avoid fines while doing your part for our community.

Water-Smart Tips For Your Texas Yard

Following the San Antonio TX water restrictions is the baseline, but making a real dent in our water challenges means thinking beyond the rules. When you start adopting water-smart habits in your yard and home, you’re not just helping preserve the Edwards Aquifer—you’ll see real savings on your monthly bills, too.

These are strategies built for our tough South Texas climate, whether you’re dealing with the rocky soil in Comal County or a small urban lot in Bexar. A few smart adjustments can give you a beautiful, resilient Texas yard that actually thrives when things get dry.

Embrace Texas-Tough Landscaping

One of the single most impactful things you can do is rethink what a “beautiful yard” even means in our part of the world. For most of us, that means shifting away from thirsty, non-native grasses and embracing a landscape that works with our environment, not against it. This approach is often called xeriscaping.

Xeriscaping is all about using plants that are native or well-adapted to our area—think Texas Sage, Blackfoot Daisy, or Yucca. These plants have spent generations getting tough enough to handle intense heat and long dry spells, so they need far less water once they’re established.

The other key player here is mulch. Spreading a two- to three-inch layer of organic mulch around your plants and in garden beds acts like a shield. It helps the soil hang onto moisture, cuts down on evaporation under the blistering Texas sun, and smothers the weeds that try to steal water from your plants.

Become a Leak Detective

It’s easy to overlook, but a single leaky sprinkler head or a tiny drip in an irrigation line can waste hundreds—if not thousands—of gallons of water over a season. Making a habit of inspecting your system is one of the easiest ways to stop this hidden water waste in its tracks.

Once a month, just turn on your system and take a walk around your yard. Keep an eye out for these common culprits:

• Geysers or Misting: Water should come out in coarse droplets. If you see a fine mist, it’s just evaporating. A geyser means a head is completely broken.
• Tilted or Sunken Heads: Sprinklers need to stand straight up to do their job right. If they’re leaning, you’ll get dry spots and wasteful runoff.
• Watering Pavement: Your sprinklers are for your lawn, not the sidewalk or driveway. Adjust any heads that are spraying concrete instead of grass.

These quick checks are more than just routine maintenance; they’re a critical part of being a responsible water user in our community. Finding and fixing one small leak can have a much bigger impact than you might think.

Take Advantage of Rebates

The San Antonio Water System (SAWS) isn’t just asking you to conserve—they’re offering powerful incentives to help you do it. Their rebate programs can actually pay you to make water-saving upgrades, making conservation a true win-win for your wallet and our shared water supply.

The reality of our situation is stark. As of May 2025, ongoing drought and a massive rainfall deficit have put immense strain on the Edwards Aquifer. This has forced strict cutbacks, with SAWS enforcing Stage 3 rules that limit lawn irrigation to just once a week during specific off-peak hours. You can read more about how the prolonged drought continues to impact San Antonio water rules on the San Antonio Report.

When you use a SAWS rebate to install a water-efficient appliance or convert your lawn to a water-smart landscape, you’re directly contributing to a more sustainable future for all of us in Central and South Texas.

Of all the calls and messages we get about local policies, the ones about SAWS watering rules are probably the most common. The regulations can get confusing, especially when you’re dealing with a new pool, a strict HOA, or just trying to figure out which day of the week is yours. We’ve pulled together the questions we hear most often from folks across Bexar, Comal, and Hays counties to give you the straight answers.

Can I Fill My Swimming Pool During Water Restrictions?

Yes, you usually can—but there’s a catch. For the most part, even during restrictions, you’re allowed to add water to an existing pool to maintain its operational level. Think of it as topping it off.

Where it gets tricky is filling a brand-new pool or refilling one that’s been completely drained. That almost always requires a special permit or variance from SAWS. And as the city moves into higher restriction stages, the rules tighten up considerably. The safest bet is always to check the current SAWS regulations or just give them a call before you start a massive fill-up.

My Address Ends In 5 What Is My Watering Day?

SAWS keeps this part simple. Your watering day is tied directly to the last number of your street address. If your address ends in a 5, your designated day for using a sprinkler or irrigation system during Stages 1, 2, and 3 is Thursday.

Just remember, you can only water on that specific day during the approved hours—before 11 a.m. and after 7 p.m. Running your sprinklers on any other day is a quick way to get a fine.

It’s a straightforward system built for fairness and to make sure everyone does their part. Every single household, from downtown San Antonio out to the edges of Guadalupe County, plays a role based on that one simple number.

Do The Same Rules Apply To My HOA?

Absolutely. The water restriction rules handed down by SAWS apply to every single residential and commercial customer in their service area. That means individual homeowners, businesses, city parks, schools, and, yes, Homeowner Associations (HOAs).

Now, a really large property—like a sprawling apartment complex or a massive HOA common area—might have a slightly different watering plan to manage its big, complex systems. Even then, they are still bound by the same core limits on watering days and total water use. An HOA cannot legally force a homeowner to maintain their lawn in a way that would make them violate SAWS restrictions.

How Can I Report Water Waste In My Neighborhood?

SAWS relies on residents to be the eyes and ears of conservation out in the community. If you see water being wasted, reporting it is simple and directly helps protect our shared water supply.

You can report violations by calling the SAWS conservation hotline at 210-704-7283 (SAVE). They also have a quick online reporting tool on the official SAWS website. To make your report count, try to provide the exact street address, the date and time you saw it happen, and a quick description of the problem, like “sprinklers watering the street” or “watering on the wrong day.”

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