SPU staff are proud to share that Sun Prairie's drinking water continues to meet all Federal and State standards for health and safety. Click to find the 2025 Water Quality Report >>
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Contact Diggers Hotline 3 working days before you start a project that involves digging so underground public utility infrastructure can get marked. Call 8-1-1, or visit diggershotline.com.
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SPU has partnered with HydroCorp to help with cross connection inspections, which are through the Cross Connection Program required by the WI DNR.
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We created a packet to help customers find useful information about the utility in one document. Check it out >>
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Don’t worry! Crews are out flushing hydrants, which clears iron and other mineral deposits out of water mains. Learn more here >>
Recent News
With the completion of our system-wide Advanced Metering Infrastructure (AMI) deployment, Sun Prairie Utilities will begin transitioning to a unified billing schedule for all customers.
...Recent News
PUBLIC NOTICE TO ALL CUSTOMERS OF SUN PRAIRIE UTILITIES
Sun Prairie Utilities (applicant) has filed an application with the Public Service Commission of Wisconsin (PSCW)...
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In case of a power outage, Sun Prairie Utilities (SPU) offers several ways for customers to stay informed.
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