Mammoth Spring, AR · Fulton County

Mold Inspection Mammoth Spring, AR.

Closer Look Inspectors offers mold inspection and mold testing in Mammoth Spring, Fulton County, Arkansas, through a local partner in our Arkansas network.

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Why moisture builds up in Mammoth Spring homes

Humid subtropical climate; A spring-fed river head where the spring averages 58 degrees F water.

Water nearby: Mammoth Spring (the largest spring in Arkansas), the Spring River and Spring Lake.

Flood history: Dam No. 1 on the Spring River, which doubled as a bridge, was destroyed by floods in 1915 and rebuilt later that decade.

Setting: Mammoth Spring is the outlet of an underground river that runs from Missouri into Arkansas.

Arkansas summers are hot and humid. NOAA's 1991-2020 normals put average yearly precipitation at Little Rock 50.4 inches. Warm, damp air is what lets mold take hold in attics, crawlspaces and bathrooms.

Housing age and hidden moisture in Mammoth Spring

Housing: A Frisco depot, restored in 1971 and listed on the National Register of Historic Places in 1992.

In pictures

Where moisture and mold hide.

Illustrative photos of the kinds of homes and conditions found in this area.

Dirt crawlspace with a torn plastic vapor barrier, lit by a flashlight beam

Dirt crawlspace with a torn plastic vapor barrier, lit by a work light

Damp soil and puddled water under floor joists, lit by a flashlight beam

Damp soil and puddled water under floor joists, lit by a work light

Sagging fiberglass insulation between crawlspace joists, lit by a flashlight beam

Sagging fiberglass insulation between crawlspace joists, lit by a work light

In Mammoth Spring

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Questions

Common questions.

How big is Mammoth Spring?

Mammoth Spring averages 9,780,000 gallons per hour of 58 degree F water. It is the largest spring in Arkansas, averaging 118,500 gallons per minute, and it forms the Spring River.

Why is the Mammoth Spring depot important?

The Frisco railroad reached Mammoth Spring in 1883. The depot was restored in 1971, is part of Mammoth Spring State Park, and was listed on the National Register of Historic Places in 1992.

Why is mold such a concern in Arkansas homes?

Arkansas has hot, humid summers. NOAA's 1991-2020 normals put Little Rock's average yearly precipitation at about 50 inches and its July average temperature at about 81 F. EPA advises keeping indoor humidity below 60 percent, ideally 30 to 50 percent. Warm, damp air is why moisture problems show up in Arkansas attics, crawlspaces and bathrooms.

Why do crawlspaces matter in Arkansas houses?

EPA notes that crawl spaces with high humidity are common sites of hidden mold growth, especially over bare soil, and that soil moisture raises the humidity in the air above it. Arkansas summers are humid, so crawlspace moisture is a common thing buyers ask about. EPA also advises grading the ground away from the foundation so it does not stay wet.

Sources for the facts on this page

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