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*The Angi rating for Lead Testing And Removal companies in Ontario, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lead Testing And Removal needs.

*The HomeAdvisor rating for Lead Testing And Removal companies in Ontario, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lead Testing And Removal needs.

Last update on October 03, 2026

Top-Rated Lead testing and removal specialists in Ontario - Updated Nov 2026

Avatar for Red Diamond Mold Remediation and Lead Abatement, LLC
Red Diamond Mold Remediation and Lead Abatement, LLC
4.6(
70
)
Toxic Lead - Abatement

Serving Ontario, WI and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"They worked fast and cheap. They were also able to remove my asbestos with me still in the home."
Response time4 hrs
Response rate100%
12 neighbors recently requested a quote
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Lead Testing and Removal FAQs, answered by experts

Costs depend on the number of samples, testing method, lab fees, and whether on-site inspections are required.

Lead removal is crucial in older homes to eliminate risks of lead poisoning, which can severely affect health, particularly in children, by impacting development and cognitive functions.

Iron sediments from rusty pipes are not likely to cause health problems. While a glass of yellow-hued water is off-putting, it is generally safe to drink yellow water in the short term. But you certainly want to address this problem. In the meantime, switching to bottled water until the yellow water issue is resolved is a good idea. 

Yes, testing professionals typically provide reports with recommendations for safe lead removal.

Lead exposure poses serious health risks, particularly for children, and can be present in paint, pipes, and soil.

The Ontario, WI homeowners’ guide to lead testing and removal services

From average costs to expert advice, get all the answers you need to get your job done.

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