How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What are the pros and cons of steel versus PVC for well construction?
Sunday, August 25, 2019
Steel has long been the standard material for well construction, but we are seeing more PVC in the last decade. Here’s the advantages and disadvntages of both:
STEEL
Pro
• Stronger, resistant to collapse.
• Standard, time-tested material.
Con
• More expensive.
• Installation requires more labor.
• Corrosion over time due to galvanic reaction, regular rust, and naturally occurring iron bacteria.
• Corrosion-roughened surfaces provide home for bacterial growth.
PVC
Pro
• Easier installation.
• Less expensive.
• No corrosion.
• Smooth interior surface discourages bacterial attachment and growth.
Con
• Susceptible to extreme temperatures.
• Ultraviolet in sunlight degrades PVC unless protective coating.
• Not as strong, lower resistance to collapse, limiting their use in deep water wells.
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Here’s links to a collection of our other blog posts about WELLS:
• What is the blue dumbbell-shaped tank at the well equipment?
• What is the tank marked "potassium permanganate" in the water treatment system for?
• Does an abandoned well need to be capped or removed?
• Does a homeowner need a permit to drill a water well on their property in Florida?
• Is a high iron level in well water a health hazard?
• How often should a well be disinfected?
• Should I test my well water for arsenic?
• What is the danger of radon in well water?
• What size generator do I need to run my submersible well pump?
• Why would a well need to have a chlorinator/dechlorinator system?
• Why does my well pump turn on and off every time I use water?
• What is the required water testing for an FHA, VA, or USDA mortgage application?
Visit our WELLS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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