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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 August 21, 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

"As soon as we sent out the need for testing, they had called right away on a Sunday, and the owner was able to book an appointment for the next day for testing! He tested every floor, and expedited the testing for us to ensure we knew the results right away. We are really grateful for how quick this process was and how accommodating their team is. Also, the price is very reasonable! 10/10 would book through Red Diamond Mold again!"
Response time4 hrs
Response rate100%
14 neighbors recently requested a quote
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Lead Testing and Removal FAQs, answered by experts

No, you can’t place hazardous waste in a dumpster unless you specifically ordered a dumpster for hazardous waste removal. If the dumpster company finds hazardous waste that it didn’t approve for dumping, the company will return the waste to you, and you’ll likely face a fine for illegal dumping.

“Testing” can start with your senses: Assessing your water’s appearance, taste, and smell can all be good first steps. The best way to know for sure what’s going on with your water is to use a well water testing kit, which can tell you about the specific levels of bacteria, dissolved solids, and hardness of your water with precision. Have a pro test your well water at least once per year.

Sampling typically takes 1-3 hours, and depending on the provider, lab results are available within 2-7 days.

If the lead paint is in a place that is not easily disturbed and is not flaking or deteriorating, you do not necessarily need to remove it. Lead is toxic when dust particles or flakes from peeling lead paint are ingested. If people are not in the area with the lead paint, it may be safe to leave it in place. You still may want to consider encapsulation with a paint formulated for covering lead-based paint, just for an added layer of protection.

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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