

Rain Water Collectors
Rainwater Collection Tank Fills — Central Texas Delivery and System Startup
Rainwater harvesting is one of the smartest water strategies for Hill Country and Central Texas properties. A well-designed rainwater collection system can supply a household, irrigate a ranch, or serve as a reliable backup when wells run low or municipal supply is interrupted. But even the best rainwater system has one vulnerability — it needs rain to work. When tanks run dry between storms, or when a brand new system is waiting on its first rainfall, Weeping Willow Water Supply fills the gap.
We deliver bulk water directly to rainwater collection tanks across Dripping Springs, the Hill Country, and Central Texas. Whether you need an emergency refill during a dry stretch or a first fill to get a new system up and running, we’ll get water to your tank fast.
First Fills for New Rainwater Systems
One of the most common calls we get is from property owners who just installed a new rainwater collection tank and need it filled before the rains come. A first fill serves two important purposes — it holds the liner down against the tank walls and jump starts the system so it’s functional from day one. Waiting on rainfall to do the job can take weeks or months depending on the season. We can have your new tank filled and ready to go within days of installation.
This is especially common in Dripping Springs, Wimberley, Driftwood, and the surrounding Hill Country where rainwater collection is a primary water source for many properties. New builds, guest houses, and ranch properties all go through this same process — and we’ve done enough of these first fills to know exactly how to handle them efficiently.
Emergency Refills During Dry Periods
Even established rainwater systems run low during extended dry periods. Central Texas drought cycles are real — and a household or ranch that depends on rainwater collection can find itself in a tight spot after weeks without meaningful rainfall. We provide emergency refills with same-day or next-day service most days. Call or text us, tell us your tank size and location, and we’ll get you scheduled.
What We Need to Know for a Rainwater Tank Fill
Every rainwater system is a little different. When you call, it helps to know your tank size in gallons, your access situation (gate codes, driveway width, low-water crossings), and whether your system has a standard fill inlet or requires a specific connection. We’ll talk through it with you before we dispatch so the delivery goes smoothly.
Service Area
We deliver to rainwater collection systems throughout Dripping Springs, Wimberley, Driftwood, Bee Cave, Lakeway, Johnson City, Fredericksburg, Marble Falls, and the surrounding Hill Country and Central Texas region. If you’re not sure whether we cover your area, call or text us at (512) 858-5250 and we’ll give you a straight answer.
Ready to Schedule a Rainwater Tank Fill?
Call or text (512) 858-5250, or use the scheduling form on our site. We’ll confirm your delivery window and get your system topped off and ready to go — whether it’s your first fill or your fifteenth.