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Mold Removal & Remediation near Milwaukee, Wisconsin

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Mc Kinley Construction Supls

2545 N 30th St
Milwaukee, WI 53210

Carter's Demolition

630 W North Ave
Milwaukee, WI 53212

Steiner Corp American Indstrl

1909 S 76th St
Milwaukee, WI 53219

James Bogda Excavating & Top

10924 W Greenfield Ave
Milwaukee, WI 53214

ISS Cleaning Svc Group Inc

1009 N Jackson St
Milwaukee, WI 53202

SCS Of Wisconsin Inc

4025 W Loomis Rd
Milwaukee, WI 53221

Tyler Co Inc

5344 N 124th St
Milwaukee, WI 53225

Midwest Site Clean-Up

Milwaukee, WI 53221

Reynolds Wrecking

9411 W Coldspring Rd
Milwaukee, WI 53228

Lunda Contruction

2651 S Chase Ave
Milwaukee, WI 53207

Wisconsin Department of Health Services


How can I respond to a mold problem?

The first step is to identify and repair the moisture problem. Mold will not grow unless sufficient moisture is present. Small amounts of mold growing on visible surfaces can usually be easily cleaned by the homeowner. Care must be taken to control dust related to the cleaning and repair efforts. Larger amounts of mold may require more extensive evaluation, repair or replacement, and dust control. Professional assistance may also be necessary. For more information for homeowners, see the DHS basic mold information page.  For more information on remediating commercial and school properties, see the EPA or NYC guidance on mold remediation.

What are appropriate control methods for mold remediation?

There are a number of options available to clean up a mold condition, depending on the size and type of surfaces affected. Most important is the need to control dust associated with the clean-up activity. Dust should be controlled using damp cleaning methods and by using HEPA vacuuming. HEPA refers to High Efficiency Particulate Air meaning that the vacuum filter is capable of removing particles that are 0.3 um (micron: one millionth of a meter) in diameter at 99.97% efficiency. Typical vacuum filters will not capture spores as efficiently and may further disperse them in air. When the size of the area with visible mold growth is large or when sensitive people (defined above) are nearby, containing the work area in a plastic enclosure is appropriate. The air inside the enclosure should be actively exhausted to the outdoors by placing the enclosed environment under negative pressure with respect to the rest of the room or building. This means if there are any leaks in the enclosure, that air will move from the cleaner areas outside the enclosure into the enclosure, and minimize air movement in the opposite direction. More specific guidance is offered by the references below and should be followed.

How should I handle carpet, drywall and other porous materials that got wet?

When porous items such as drywall and carpet get wet, they should be dried within 48 hours or discarded. Porous items or surfaces are those that can soak up water easily. They include drywall, clothing, textiles, upholstered furniture, leather, paper goods, and many types of artwork or decorative items. Many soft materials can be a food source for mold. When these materials soak up water, moisture can be retained for extended periods increasing the potential for mold growth. Foam carpet pads can retain moisture long enough to support mold growth. In addition to flooding, extended periods of high interior humidity can lead to mold growth. This is sometimes indicated by a musty odor. If sewage or gray water is involved, the materials should be discarded. For assistance on structural restoration from water damage, consult a professional familiar with the guidelines of the Institute for Inspection, Cleaning and Restoration Certification (IICRC).

How can settled spores be removed from porous items?

In environments where the porous materials have not been wet, but there has been extensive visible mold growth on nearby building surfaces, removing settled mold spores is possible using various cleaning methods. HEPA vacuuming is a good method to consider. If the materials show visible mold growth or are subjected to high humidity for extended periods, cleaning is much less effective. Unless the item has high value, disposal is often the most cost-effective solution.

How can I clean mold on hard surfaces?

After the source of moisture has been controlled, visible mold growth on hard (non-porous) can be scrubbed using detergent and water. Some stains may still be seen on the surface after cleaning. Various strengths of bleach solutions have also been recommended for disinfecting, but proper safety precautions should be taken to prevent skin, eye and respiratory damage when bleach is used. (See DHS fact sheet, "Mold in Your Home: Cleaning Options"). There is no evidence that bleach is more effective than detergents in removing mold from non-porous surfaces. The exception to this is when the water damage is related to sewer backups where there is a concern for infectious disease transmission. Following cleaning, the surfaces should be rinsed and thoroughly dried to reduce the potential for more mold. The underlying cause of the mold growth (water or moisture) should be corrected to prevent re-growth.

Do ozone generators work for mold?

Ozone generators are not recommended for mold control. Ozone is a reactive form of oxygen that is toxic to living cells. Ozone levels sufficient to kill microorganisms are predictably irritating to the eyes, nose, throat and lungs and can aggravate asthma. In some cases where ozone has been used for mold control, reported levels were high enough to present a serious health hazard in occupied spaces. While ozone can kill microorganisms, it does not remove allergens from air, even if they are dead. Ozone generators or other types of air cleaning devices do not address the underlying reasons why mold is growing on building materials or other articles in your home. If there is visible mold growth, it should be properly cleaned up or the affected materials should be removed. Many ozone-generating devices are aggressively marketed for improving indoor air quality. If you have a complaint to register about the use or marketing of such a device, call the Wisconsin Department of Agriculture, Trade and Consumer Protection at 800-422-7128. For more information about ozone, air cleaners and indoor air quality see the USEPA website at (exit DHS).

Who is qualified to do mold work?

Individuals involved in mold assessment and remediation must commit to following standards of care. A number of federal agencies and professional organizations have produced helpful references that help define standards of care for mold practice. (See the references section of the frequently asked questions).

There are no national or state recognized mold certifications. There are a number of credentialing programs that provide evidence of health and safety competency including the American Board of Industrial Hygiene and American Society of Safety Engineers. Credentials are not necessarily an indicator of mold work proficiency. They are an important measure of general competency and professionalism, but must be combined with professional education and experience relevant to the essential body of information that defines the standards of care. Mold assessment and remediation is a multi-disciplinary process. Simply being able to test for mold is of little benefit if other tasks such building inspection, thorough investigation, and data interpretation are not properly performed.

As in any business, it is important to ask for a statement of qualifications and a client reference list. In particular, consumers should evaluate the professional’s familiarity and understanding of the references listed below. Asking to see evidence of professional development, participation in professional organizations and obtaining customer references is also appropriate.

EPA Orders ‘Stop Stale’ of Bio-Stop for Unregistered Mold-Control Claims

Release date: 07/31/2003

Contact Information: 

John Millett 202-564-7842 / 

(07/31/03) On July 23, the EPA ordered Bug Source Inc. of Wauwatosa, Wis., to stop selling the unregistered pesticide “Bio-Stop” through its Web site. Bio-Stop is manufactured by BioChem Environmental Technologies, which claims on Bug Source’s Web site that the product Bio-Stop eliminates “toxic molds” such as “Stachybotrys” and “Aspergillus” and sanitizes bacteria and viruses. EPA will be monitoring compliance with this stop sale order and will continue to monitor the Internet for illegal pesticide sales. Bio-Stop is a mixture of bacterial enzymes used in building remediation. Under the Federal Insecticide, Fungicide and Rodenticide Act, products claiming to prevent, destroy, or repel pests, which includes molds and other microorganisms, are considered pesticides and must be registered. During EPA’s comprehensive pre-market registration process, a company must first prove that the product is safe and effective for consumer use before a legal claim can be made that a product protects people from disease-causing microorganisms. The label of all EPA registered products must bear the EPA registration number along with directions for use and any safety precautions.

EPA reaches agreement with Lesaffre on clean-air violations


Release date: 06/29/2007

Contact Information: William Omohundro, 312-353-8254


No. 07-OPA111

CHICAGO (June 29, 2007) - U.S. Environmental Protection Agency Region 5 has reached an agreement with Lesaffre Yeast Corp. on alleged clean-air violations at the company's yeast manufacturing plant at 2702 W. Greves St., Milwaukee, Wis. EPA said the alleged violations occurred before the plant closed in December 2005.

The agreement, which includes a $202,500 penalty, resolves EPA allegations that Lesaffre made major changes to the plant in 1996 and 2000 that increased ozone-producing volatile organic compound emissions without getting permits requiring additional pollution controls. EPA also alleged a series of incidents between March 2002 and December 2003 during which the plant violated VOC emissions limits.

Volatile organic compounds contribute to the formation of ground-level ozone, or smog. Smog can cause a variety of respiratory problems, including coughing, wheezing, shortness of breath and chest pain. People with asthma, children and the elderly are especially at risk, but these health concerns are important to everyone. The Milwaukee area does not meet national outdoor air quality standards for ozone.


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