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(318) 503-8890
Mark Johnson & Sons Plumbing technician installing a water filtration system in a Monroe, LA home

Water Filtration

Water Filtration Systems in Monroe, LA

Clean, Great-Tasting Water at Every Tap in Your Monroe Home

(318) 503-8890

4.9 · 4,400+ reviews

Verified Google reviews

24/7 emergency responseLicensed & insuredServing North Louisiana since 1997
  • 4.9★ on Google

    4,400+ reviews

  • 24/7 Emergency

    60–90 min dispatch

  • Licensed & insured

    LA Master Plumber #1874

  • North Louisiana

    Ruston to Shreveport

  • Flat-rate pricing

    Quoted before we start

Overview

Better Water for Monroe Homes — Without the Bottled-Water Bill

Many Monroe-area homeowners buy cases of bottled water week after week because they are not confident in their tap water. It is a habit that adds up fast — and it is completely avoidable. A professionally installed whole-house water filtration system delivers the same clean, crisp taste as bottled water from every faucet, shower, and appliance in your home, at a fraction of the ongoing cost.

Mark Johnson & Sons Plumbing has been installing water filtration and treatment systems across Ouachita Parish since 1997. We assess your home's water quality, recommend the right combination of filtration and softening equipment for Monroe's water conditions, and install everything correctly the first time. Whether your concern is taste, odor, chlorine, sediment, or mineral buildup on fixtures, we have a solution sized for your household.

Pairing a whole-house filter with a water softener is especially effective in North Louisiana, where mineral content can cause scale buildup on water heaters, fixtures, and appliances — shortening their lifespan and raising your energy costs. Our technicians explain every option in plain language and provide upfront flat-rate pricing before any work begins.

Licensed Louisiana contractorOwn trucks, own crewsFlat-rate, quoted upfront

Free quote

Get a same-day estimate

Tell us what's going on. We'll call back fast — usually within 15 minutes during business hours.

Or call now — (318) 319-0220

4.9

Google

24/7

Emergency

Free

Quote

Classic Membership

One plan. Whole-home peace of mind.

For $189 a year, members get 15% off every HVAC and plumbing repair, two complete HVAC tune-ups, a free plumbing and drain check-up, and priority scheduling on every call.

  • 15% off repairs
  • Priority scheduling
  • 2 HVAC tune-ups/yr
  • After-hours discounts
  • $25 savings certificate
  • Guaranteed flat-rate
Best value

Classic Membership

$189/year

One flat yearly price covers your whole home — everything listed, no per-visit fees, no surprises.

Questions? (318) 319-0220

Cancel anytime · 1-yr min

FAQ

Water Filtration FAQs in Monroe

Most whole-house systems last 10–15 years. Individual filter cartridges need replacement every 3–12 months depending on usage and water quality. Water softener resin typically lasts 10–20 years.

Available Around the Clock

Emergency?
We answer 24/7.

Burst pipe, water heater out, sewer backup? Real plumbers pick up — no answering machines. Mark Johnson & Sons Plumbing serves North Louisiana any time, day or night.

(318) 503-8890

LA Master Plumbing #1874 · Backflow Cert #28131 · Master Natural Gas Fitter #LMNGF9062 · State Contractors #35794

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