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How to Identify Sewer Gas Leaks in Newnan, GA

Published Apr 12, 25
2 min read

Sewer gas leaks are a hidden yet potentially dangerous problem that can occur in homes and businesses. Get a sewage cleanup estimate in Newnan, GA. Sewer gas is a mixture of harmful and foul-smelling gases produced by the decomposition of organic waste in sewer systems. When these gases escape into living spaces due to plumbing issues, they can pose health risks and safety hazards. Understanding how to identify sewer gas leaks is crucial for residents of Newnan, GA, to protect their health, property, and environment

What Is Sewer Gas?

Sewer gas is a combination of gases released during the breakdown of organic materials in sewage. Its composition may vary, but it commonly includes:

  • Hydrogen Sulfide: Responsible for the characteristic "rotten egg" smell.
  • Methane: A colorless, odorless, and highly flammable gas.
  • Ammonia: A pungent gas that can irritate the skin, eyes, and respiratory system.
  • Carbon Dioxide: Typically harmless in small amounts but dangerous in high concentrations.
  • Trace Gases: Includes nitrogen, sulfur dioxide, and other volatile organic compounds (VOCs).

While sewer gas is naturally vented out of sewer systems through plumbing vents, leaks can allow these gases to enter indoor spaces, creating hazardous conditions.

Warning Signs of Sewer Gas Leaks

Detecting sewer gas leaks early is vital to preventing health and safety risks. The following warning signs may indicate a sewer gas leak:

1. Foul Odors

  • The most common indicator of a sewer gas leak is the smell of rotten eggs or sulfur. This odor is caused by hydrogen sulfide, which is both unpleasant and toxic.
  • Persistent foul smells, especially near sinks, toilets, or drains, should not be ignored.

2. Gurgling Sounds from Drains

  • Unusual noises, such as gurgling or bubbling, coming from drains may signal a blockage or venting issue that is allowing sewer gas to escape.

3. Dry Plumbing Traps

  • Plumbing traps, such as those under sinks and in floor drains, are designed to hold water and block sewer gas from entering the building.
  • If traps dry out due to infrequent use, evaporation, or leaks, sewer gas can seep through.

4. Visible Cracks or Damage

  • Cracks in sewer pipes, loose fittings, or damaged seals around toilets and drains can allow sewer gas to escape into indoor spaces.

5. Unexplained Illnesses

  • Prolonged exposure to sewer gas can cause symptoms such as:
    • Headaches.
    • Dizziness or lightheadedness.
    • Nausea or vomiting.
    • Fatigue.
    • Difficulty breathing.
  • These symptoms may worsen with extended exposure and should be investigated promptly.

6. Fluctuating Water Levels in Toilets

  • Sewer gas leaks can cause water levels in toilets to fluctuate due to pressure imbalances in the plumbing system.

7. Increased Pest Activity

  • Sewer gas leaks can attract pests like cockroaches and rodents, which are drawn to food particles or odors associated with sewage.


Potential Dangers of Sewer Gas Leaks

Ignoring sewer gas leaks can lead to several serious consequences: Get a sewage cleanup estimate in Newnan, GA.

1. Health Risks

  • Short-Term Exposure: Can cause irritation of the eyes, nose, and throat, as well as headaches, nausea, and fatigue.
  • Long-Term Exposure: Prolonged inhalation of hydrogen sulfide and ammonia can lead to respiratory problems, organ damage, or even asphyxiation in extreme cases.

2. Fire and Explosion Hazards

  • Methane, a major component of sewer gas, is highly flammable and can ignite in the presence of sparks or open flames.
  • In enclosed spaces, methane buildup can lead to explosive conditions.

3. Structural Damage

  • Prolonged exposure to moisture and gases from sewer leaks can weaken building materials, such as wood and drywall, leading to structural issues.

4. Environmental Concerns

  • Escaped sewer gas contributes to air pollution and greenhouse gas emissions, particularly if methane levels are high.

Common Causes of Sewer Gas Leaks

Sewer gas leaks can originate from several sources within a property’s plumbing system, including: (Call the best sewage damage mitigation company in Newnan, GA)

1. Damaged or Cracked Pipes

  • Wear and tear, corrosion, or physical damage can create cracks or holes in sewer pipes, allowing gas to escape.

2. Faulty Plumbing Fixtures

  • Loose seals, deteriorated gaskets, or improperly installed fixtures can create gaps that let sewer gas seep indoors.

3. Clogged or Blocked Vents

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  • Plumbing vents are designed to allow sewer gas to escape outside. Blockages caused by debris, nests, or snow can force gas back into the building.

4. Dry Traps

  • Plumbing traps lose their water seal if not used regularly, creating an open pathway for sewer gas.

5. Improperly Installed Systems

  • Poor installation of pipes, vents, or fixtures can lead to gas leaks over time.

6. Sewer Backups

  • A clogged or overwhelmed sewer system can push gas into drains and vents, increasing the risk of leaks.

Steps to Identify Sewer Gas Leaks

Property owners in Newnan, GA, can take the following steps to identify sewer gas leaks:

1. Inspect Drains and Fixtures

  • Check for odors, visible damage, or loose connections around sinks, toilets, and floor drains.

2. Monitor for Symptoms

  • Pay attention to health symptoms or discomfort that may indicate prolonged exposure to sewer gas.

3. Use a Gas Detector

  • Specialized gas detectors can identify the presence of methane, hydrogen sulfide, and other components of sewer gas.

4. Conduct a Smoke Test

  • Professional plumbers can use smoke testing to identify leaks. A harmless smoke is introduced into the plumbing system, revealing cracks, gaps, or blockages where smoke escapes.

5. Check Plumbing Vents

  • Inspect vent pipes on the roof for obstructions or damage that may prevent proper gas venting.

Why Professional Assistance Is Essential

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While property owners can perform basic inspections, sewer gas leaks require professional expertise to address safely and effectively. Professional plumbers and restoration teams in Newnan, GA, provide:

  • Thorough Inspections: Using advanced tools such as cameras, gas detectors, and smoke testing to pinpoint the source of leaks.
  • Safe Repairs: Replacing damaged pipes, resealing fixtures, and clearing blockages to restore the integrity of the plumbing system.
  • Odor Elimination: Ensuring complete removal of lingering odors through professional cleaning and deodorization.
  • Prevention Measures: Recommending upgrades or modifications to prevent future leaks.

Protect Your Home from Sewer Gas Leaks in Newnan, GA

Sewer gas leaks are more than just a nuisance—they pose real risks to health, safety, and property. Early detection and professional intervention are key to mitigating these risks. If you suspect a sewer gas leak in your home or business in Newnan, GA, contact a licensed plumbing professional immediately to ensure your property remains safe and secure.



Newnan, Georgia, is a vibrant and historically rich city located about 40 miles southwest of Atlanta in Coweta County, known for its charming downtown, well-preserved antebellum architecture, and thriving community. Founded in 1828 and named after General Daniel Newnan, a distinguished soldier of the American Revolutionary War, the city has a storied past that includes significant roles during the Civil War and Reconstruction era. Newnan’s strategic location on major transportation routes contributed to its growth as a commercial hub in the 19th century, particularly as a center for cotton trading. Unlike many Southern towns, Newnan was largely spared from destruction during the Civil War, allowing it to retain much of its historical architecture, which adds to its charm and appeal today. As a result, Newnan is often referred to as the “City of Homes” due to its abundance of beautifully preserved historic homes and buildings. Demographically, Newnan is a diverse and growing community with a population of approximately 41,000 residents. The city’s population is a blend of families, young professionals, and retirees, reflecting a wide range of ages and backgrounds. The racial and ethnic composition of Newnan is diverse, with a significant presence of African American, Caucasian, Hispanic, and Asian communities. This diversity is reflected in the city’s cultural events, culinary scene, and community activities, fostering an inclusive and dynamic environment. The steady population growth in recent years can be attributed to Newnan’s appealing quality of life, economic opportunities, and proximity to Atlanta, making it a desirable location for new residents. Newnan boasts several points of interest that highlight its rich history and cultural heritage. The downtown historic district is a focal point, featuring an array of antebellum and Victorian-era homes, as well as a vibrant mix of shops, restaurants, and entertainment venues. Central to the downtown area is the historic Coweta County Courthouse, an architectural gem built in 1904, which now houses the Coweta County Probate Court and serves as a symbol of the city’s heritage. The McRitchie-Hollis Museum offers a deep dive into the local history, showcasing artifacts, exhibits, and tours that illuminate Newnan’s past. Additionally, the Male Academy Museum provides insights into the city’s educational history, housed in a 19th-century school building. Outdoor enthusiasts will find plenty to do in Newnan, with its numerous parks and recreational facilities. The Chattahoochee Bend State Park, one of Georgia’s largest state parks, offers over 2,900 acres of natural beauty, including hiking trails, camping sites, and opportunities for fishing and kayaking on the Chattahoochee River. Carl Miller Park, another local favorite, features playgrounds, picnic areas, walking trails, and splash pads, making it ideal for family outings and community events. Newnan also hosts the annual Powers Crossroads Country Fair and Art Festival, a celebration of local arts, crafts, and heritage that draws visitors from across the region. Newnan’s dining and shopping options reflect its blend of historical charm and modern amenities. The city is home to a variety of restaurants offering diverse cuisines, from Southern comfort food to international dishes, ensuring that there is something to satisfy every palate. Downtown Newnan is particularly known for its unique boutiques and specialty shops, offering a mix of locally made products, antiques, and contemporary fashion. The Ashley Park shopping center provides a comprehensive retail experience with a wide range of stores, restaurants, and entertainment options, catering to both residents and visitors. Education is a cornerstone of the Newnan community, with the city being served by the Coweta County School System, known for its commitment to academic excellence and comprehensive educational programs. Additionally, the proximity to higher education institutions such as the University of West Georgia Newnan Center and nearby colleges in Atlanta provides ample opportunities for advanced education and professional development. Newnan’s strong sense of community is evident in the numerous civic organizations, volunteer opportunities, and active participation in local governance. The city’s government is dedicated to enhancing the quality of life for its residents through initiatives aimed at economic development, public safety, and community services. Residents are encouraged to engage with their local government and participate in community planning and decision-making processes, fostering a collaborative and inclusive environment. In summary, Newnan, Georgia, is a dynamic city that seamlessly blends its rich historical heritage with modern amenities and a vibrant community spirit. Whether exploring its historic downtown, enjoying its parks and recreational facilities, or participating in cultural events, residents and visitors alike are sure to find a unique and fulfilling experience in this welcoming city. With its combination of historical charm, natural beauty, and contemporary conveniences, Newnan stands out as a premier destination in the greater Atlanta area, offering a high quality of life and a welcoming environment for all.

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