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Clean and Safe Water for Your Community

Efficiently manage your water supply with the freshest products, predictable delivery and a sustainable supply chain partner.

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Reliable Product Delivery, Every Time

Ensure uninterrupted supplies with our safety certified two-man crews, advance shipping notice, and real-time delivery tracking.

There’s nothing more important than ensuring our communities continuously have access to safe, clean and clear drinking water. Since 1964, HASA is proud to have been trusted to help deliver more than 20 billion gallons of clean water each year. Our fully owned plant-to-truck supply model means we have complete control over our water treatment product ecosystem, and you have our promise to consistently receive the freshest liquid sanitizer available on time.

Your Water Treatment Goals Are Our Priority

With HASA, you receive 1:1 support for meeting your water sanitization standards on time and within budget.

We’re dedicated to being the go-to source for the premier water treatment and sanitization products available — but, more importantly, we’re proudly committed to being an accountable partner and resource to the municipalities that rely on our solutions.

More Than Just Suppliers

With over 60 years of providing safe and clean water to cities across the United States, we’re dedicated to sharing our expertise with you.
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Safety Certifications

Grow your professional career in water treatment training and continued certification opportunities.

Municipal Water Resource Library

Find professional insights and industry knowledge for managing and maintaining public water supplies.

Clean Up After a Wildfire

Learn how to carefully restore swimming pools to safety with practical and actionable tips and advice.

Pool Care Tips: From Green to Clean

Find out how to identify, treat, and prevent algae in pools from water chemistry expert Terry Arko.

Understanding Chlorine Demand

Find out what factors lower chlorine effectiveness with our downloadable one-pager.

Buy HASA Products Near You

Use our dealer and distributor locator to find out where you can purchase HASA products in your area.

Recreational Water Treatments

Learn about HASA’s premium product to sanitize and shock pools and spas.

Individualized Assistance

Fill out the contact form or get in touch with the HASA representative in your area.

"To this day, over the 3 + plus year long relationship we have enjoyed and are grateful for with Hasa, our water systems enjoy a high level of compliance and potability due in large part to the proactive and professional service we have received from Christopher Cornish and Hasa. They are always willing to help, even with larger projects and deliveries that are not currently under contact with them."
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Brahman Conci
Operations Superintendent for the City Distribution Division of the San Francisco Water Department

Clearly Better Water Starts With HASA

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