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# BSI Online

North America’s leader in municipal backflow data management.

## Sitemaps

- [XML Sitemap](https://bsionline.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [HOME](https://bsionline.com/) - Welcome to BSI OnlineThe North American Leader in Cross-Connection Control and Backflow Data ManagementService Providers & Water PurveyorsService providers and water purveyor/organization users, please use the login below. LoginRegisterWater CustomersAre you a property owner or water customer? Click below to get started. Enter HereF.O.G. Maintenance ReportHauling companies, need to enter a maintenance report for fats,
- [Village of Coal City](https://bsionline.com/coalcity-il/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Lisle, IL](https://bsionline.com/lisle-il/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Water System City of Mt Vernon](https://bsionline.com/mtvernon-il/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Itasca](https://bsionline.com/itasca-il/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Chicago Ridge](https://bsionline.com/chicagoridge-il/) - Why have I received this survey?Colton Wicinski2023-01-20T20:25:31+00:00Why have I received this survey?The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back
- [Village of Lincolnwood, IL](https://bsionline.com/lincolnwood-il/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [East Chicago, IN](https://bsionline.com/east-chicago-in/) - Why have I received this survey?Colton Wicinski2023-01-20T20:25:31+00:00Why have I received this survey?The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back
- [Surveys](https://bsionline.com/surveys/) - Cross-Connection Control Survey Cross connections within the public water supply are a serious concern, as they can allow contaminants or pollutants to enter the public water system through what is called “backflow”. Backflow occurs when a drop in water pressure causes your water to flow in the opposite direction. This can allow contaminated or polluted water to flow
- [Product Support](https://bsionline.com/productsupport/) - Testing Company Product SupportChanges to BSI Online are here! Explore the new user interface (UI), program enhancements, added features, and increased security measures. To ensure a smooth transition, we have provided the below resources for our valued testing community. Log InWe understand change can prompt questions, please reach out to our testing company customer service
- [New Lenox](https://bsionline.com/newlenox/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [City of North Ridgeville](https://bsionline.com/northridgeville/) - Why have I received this survey?Colton Wicinski2023-01-20T20:25:31+00:00Why have I received this survey?The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back
- [Village of Summit, IL](https://bsionline.com/summit/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Lincolnshire](https://bsionline.com/lincolnshire/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [City of Willard, OH](https://bsionline.com/willard-2/) - Why have I received this survey?Colton Wicinski2023-01-20T20:25:31+00:00Why have I received this survey?The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back
- [City of Naperville, IL](https://bsionline.com/naperville/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Kenilworth, IL](https://bsionline.com/kenilworth/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Village of Lakemore, OH](https://bsionline.com/lakemore/) - Why have I received this survey?Colton Wicinski2023-01-20T20:25:31+00:00Why have I received this survey?The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back
- [*Survey Page Spanish](https://bsionline.com/spanishsurvey/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Privacy Policy](https://bsionline.com/privacy-policy/) - Privacy Policy Effective Date: July 2025 At Backflow Solutions, Inc. and BSI Online ULC (“we,” “us,” or “our”), we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website(s) backflow.com, bsionline.com, and/or bsionline.ca (the “Site”). Please read this Privacy Policy carefully
- [Village of Oak Brook, IL](https://bsionline.com/oakbrook/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Franklin Park](https://bsionline.com/franklinpark/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Accessibility Statement](https://bsionline.com/accessibility-statement/) - Accessibility Statement BSI Online is committed to making our website usable by all people by meeting the requirements of the Web Content Accessibility Guidelines 2.1 Level AA (WCAG 2.1 AA). BSI Online has and is conducting an accessibility review of its website and will begin remediating issues found. Please be aware that our efforts are
- [Wood River](https://bsionline.com/woodriver/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [West Chicago](https://bsionline.com/westchicago/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Translation Survey Test](https://bsionline.com/test-survey/) - This survey is for premise isolation only” and “Results must be submitted within 90 days of notification by The District Municipality of Muskoka. [weglot_switcher]
- [Glencoe](https://bsionline.com/glencoe/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [SAWS](https://bsionline.com/saws/) - San Antonio Water System Texas Commission on Environmental Quality Customer Service Inspection Certificate
- [Roxana](https://bsionline.com/roxana/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.
- [Example Page](https://bsionline.com/example-page/) - BSI is a proud partner with American Backflow Products Company! We have partnered with American Backflow Products Company to provide our backflow testing community with access to: A world class inventory for backflow assemblies, repair parts, testing equipment, cages & enclosures, and more! Same day shipping! 1-2 day delivery anywhere in the US! The best
- [Success](https://bsionline.com/success/) - Thank you for your submission!
- [Riverdale](https://bsionline.com/riverdale/) - I need help filling this outColton Wicinski2023-01-11T15:55:23+00:00I need help filling this outPlease contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you. Why did I receive this survey?Colton Wicinski2023-01-11T15:55:54+00:00Why did I receive this survey?The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program.

## Portfolio

- [Energy Survey Job](https://bsionline.com/projects/energy-survey-job/) - ENERGY SURVEYProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact
- [Electrical Security](https://bsionline.com/projects/electrical-security/) - ELECTRICAL SECURITYProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact
- [Lighting Work](https://bsionline.com/projects/lighting-work/) - LIGHTING WORKProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact
- [Electrical Install Jobs](https://bsionline.com/projects/electrical-install-jobs/) - ELECTRICAL INSTALLSProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact
- [Cable Networking](https://bsionline.com/projects/cable-networking/) - CABLE NETWORKSProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact
- [Emergency Calls](https://bsionline.com/projects/emergency-calls/) - EMERGENCY CALLSProin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. SERVICE INFORMATIONQuisque molestie tristique nisi et luctus. Proin eget velit quis lorem euismod pulvinar. Phasellus lobortis tellus dignissim metus varius volutpat. Integer a lacus mauris. Pellentesque eleifend, quam maximus euismod porta, felis ante viverra arcu. Contact

## FAQs

- [Village of Coal City, IL](https://bsionline.com/faq-items/village-of-coal-city-il/) - Water Survey
- [Village of Lincolnshire, IL](https://bsionline.com/faq-items/village-of-lincolnshire/) - Water Survey
- [City of Mt Vernon, IL](https://bsionline.com/faq-items/city-of-mt-vernon-il/) - Water Survey
- [Village of Itasca, IL](https://bsionline.com/faq-items/village-of-itasca-il/) - Water Survey
- [Village of Chicago Ridge, IL](https://bsionline.com/faq-items/chicago-ridge/) - Water Survey
- [Village of Lincolnwood, IL](https://bsionline.com/faq-items/lincolnwood/) - Water Survey
- [City of East Chicago, IN](https://bsionline.com/faq-items/city-of-east-chicago-in/) - Water Survey
- [Village of Summit, IL](https://bsionline.com/faq-items/summit/) - Water Survey
- [Village of Lisle, IL](https://bsionline.com/faq-items/lisle-il/) - Water Survey
- [City of Willard, OH](https://bsionline.com/faq-items/willard-2/) - Water Survey
- [Village of Lakemore, OH](https://bsionline.com/faq-items/lakemore/) - Water Survey
- [City of Naperville, IL](https://bsionline.com/faq-items/naperville/) - Water Survey
- [Village of New Lenox, IL](https://bsionline.com/faq-items/newlenox/) - Water Survey
- [What is a backflow preventer?](https://bsionline.com/faq-items/what-is-a-backflow-preventer/) - Check out our Backflow Academy for more information on what devices and assemblies look like.
- [What is backflow and cross-connection?](https://bsionline.com/faq-items/what-is-backflow-and-cross-connection-2/) - Backflow is the undesirable reversal of this flow of water and undesirable substances from the non-potable source to the potable source. A cross-connection is any actual or potential connection between the public or consumer’s potable water system and any non-potable source or substance that present a hazard to the quality of the public or consumer’s
- [What if none of the boxes under Water Usage apply to me and my property?](https://bsionline.com/faq-items/what-if-none-of-the-boxes-under-water-usage-apply-to-me-and-my-property-2/) - Simply check the box “None of the above” and finish the remaining questions of the survey. Then, click “Submit”. Your response will be collected and recorded to your water purveyor that you responded to the survey. Your participation helps keep your drinking water safe!
- [Why do I have to fill this survey?](https://bsionline.com/faq-items/why-do-i-have-to-fill-this-survey/) - Information reported to the water supplier is critical for compliance with water regulations and to ensure no foreign or dangerous substances are introduced to the public was supply and no other direct or indirect connections to the potable water system are present at your property. This ensures safe drinking water for ALL customers in the
- [Why have I received this survey?](https://bsionline.com/faq-items/why-have-i-received-this-survey/) - The Environmental Protection Agency (EPA) requires water suppliers to develop and implement a cross-connection control program. Part of a successful program includes surveying water customers in their distribution system to identify and eliminate potential or actual cross-connections that could allow contaminants to flow back into the drinking water from unsafe sources/connections such as fire protection
- [What is backflow preventer?](https://bsionline.com/faq-items/what-is-backflow-preventer/) - Check out our Backflow Academy for more information on what devices and assemblies look like.
- [What is backflow and cross-connection?](https://bsionline.com/faq-items/what-is-backflow-and-cross-connection/) - Backflow is the undesirable reversal of this flow of water and undesirable substances from the non-potable source to the potable source. A cross-connection is any actual or potential connection between the public or consumer’s potable water system and any non-potable source or substance that present a hazard to the quality of the public or consumer’s
- [What if none of the boxes under Water Usage apply to me and my property](https://bsionline.com/faq-items/what-if-none-of-the-boxes-under-water-usage-apply-to-me-and-my-property/) - Simply check the box “None of the above” and finish the remaining questions of the survey. Then, click “Submit”. Your response will be collected and recorded to your water purveyor that you responded to the survey. Your participation helps keep your drinking water safe!
- [Why do I have to fill this out?](https://bsionline.com/faq-items/why-do-i-have-to-fill-this-out/) - Information reported to the water supplier is critical for compliance with water regulations and to ensure no foreign or dangerous substances are introduced to the public was supply and no other direct or indirect connections to the potable water system are present at your property. This ensures safe drinking water for ALL customers. Again, this
- [Why did I receive this survey?](https://bsionline.com/faq-items/why-did-i-receive-this-survey/) - The Illinois Environmental Protection Agency (IEPA) requires every community water supplier to develop and implement a cross-connection control program. Part of the program mandates surveying all water customers in their distribution system every three years to identify and eliminate cross-connections that could allow contaminants to flow back into the drinking water from unsafe sources/connections such as fire
- [I need help filling this out](https://bsionline.com/faq-items/i-need-help-filling-this-out/) - Please contact BSI Online at support@backflow.com or call 888-966-6050. A Customer Service Representative can assist you.

## Portfolio Categories

- [Commercial Work](https://bsionline.com/portfolio_category/commercial-work/)
- [Contracts](https://bsionline.com/portfolio_category/contracts/)
- [Projects](https://bsionline.com/portfolio_category/projects/)
- [Residential Work](https://bsionline.com/portfolio_category/residential-work/)

## Portfolio Tags

- [Electrical](https://bsionline.com/portfolio_tags/electrical/)
- [Fusion](https://bsionline.com/portfolio_tags/fusion/)
- [Maintenance](https://bsionline.com/portfolio_tags/maintenance/)
- [Management](https://bsionline.com/portfolio_tags/management/)
- [Wiring](https://bsionline.com/portfolio_tags/wiring/)

## FAQ Categories

- [Water Survey](https://bsionline.com/faq_category/water-survey/)
- [Illinois Survey FAQ](https://bsionline.com/faq_category/illinois-survey-faq/)
- [Outside of Illinois](https://bsionline.com/faq_category/outside-of-illinois/)