Projects & Blog
See our latest work and industry insights.
Making The Farm Life A Little Easier 🐄💧
J&L Underground Construction recently finished installing this livestock watering tank for a local farmer, giving their herd a reliable, consistent water…
Read more
Know What's Below: Private Utility Locating for a Local Business Electrical Upgrade
When a local screen-printing business needed to expand their electrical service to increase production, the project couldn't move forward until one critical…
Read more10 Warning Signs Your Septic System Is Failing
Slow drains, sewage smells, and soggy yard spots are all warnings. Learn the 10 signs your septic system is failing — and what to do before it backs up.
Read moreSeptic System Repair vs. Replacement: How to Decide
Repair or replace your septic system? Here's how to weigh cost, age, and symptoms — plus straight advice for Missouri homeowners from J&L Underground.
Read moreWhat Is a Leach Field? Why Your Lateral Field Fails
A failing leach (lateral) field is one of the most common septic problems. Learn what it does, why it fails, and your repair or replacement options.
Read moreHow Often Should You Pump Your Septic Tank? (Missouri Guide)
Most septic tanks need pumping every 3-5 years, but household size and water use change the math. Here's how to find your schedule in Missouri.
Read moreHow Much Does a Septic System Cost in Missouri? (2026)
Septic costs vary by soil, size, and system type. Here's what drives the price of a new septic system, a repair, and pumping in southwest Missouri.
Read moreSpring Septic Checklist: 5 Things Missouri Homeowners Should Do Before Storm Season
Read moreSeptic System Maintenance
Read more
LPP Septic pump problems
Read more