Water Filtration and Softeners in Lafayette, LA
Test the water first. Then size the system to the result.

Start with a free in-home water test at your kitchen sink. The result decides which system fits your home, and licensed plumbers install it.
- Installed by licensed plumbers, LMP #5401
- City water and well water
- Monday to Friday, 7 AM to 5 PM
What we do
What we install and service
Each one starts with the same test. Pick the page that matches what you notice at home, or book the test and let the result decide.
- Start here

Free In-Home Water Test
Hardness, chlorine, bacteria, pH, mercury and microplastics, read at your kitchen sink in about 10 minutes.
Learn more about Free In-Home Water Test 
Whole-Home Filtration
Carbon and sediment filtration at the main line, so every tap in the house gets the same treated water.
Learn more about Whole-Home Filtration
Water Softeners
Softeners sized to your water and household, for scale on fixtures, spots on glass and soap that will not lather.
Learn more about Water Softeners
Reverse Osmosis
A dedicated drinking-water tap at the kitchen sink for better tasting water and ice, installed under the sink.
Learn more about Reverse Osmosis
Well Water Treatment
Iron and sulfur treatment for private wells, for rust-colored stains and rotten-egg smell.
Learn more about Well Water Treatment
Maintenance and Repair
Filter and media changes, salt, and repairs for your water treatment system, handled by licensed plumbers.
Learn more about Maintenance and Repair
How it works
Four steps, in this order
Test
A water test at your kitchen sink, with you watching. It checks hardness, chlorine, bacteria, pH, mercury and microplastics, and the results come back in about 10 minutes.
Size
We size the system to the test result and to your household's flow rate.
Install
Licensed plumbers install it with a bypass valve, so water can be routed around the system when it needs service.
Service
Filters and media wear out. We change them and repair the system when it needs it.
The water test
Start with a free in-home water test
The test happens in your home, at the kitchen sink, while you watch. Results come back in about 10 minutes. If your water tests fine, we will tell you so.
Free and no obligation. For Acadiana-area homeowners, one per household.

What the free in-home water test checks
- HardnessThe minerals behind scale and spots.
- ChlorineA common cause of taste and smell.
- BacteriaScreened for at the sink with everything else.
- pHHow acidic or basic the water is.
- MercuryA metal the test screens for.
- MicroplasticsTiny plastic particles the test screens for.

The water treatment side of a Lafayette plumbing company
Acadiana Water Filtration is part of Hargrave's Plumbing, a licensed Lafayette plumbing company. A filtration system or softener ties into your main water line, and that is plumbing work. Licensed plumbers do it.
More about who we are, or visit Hargrave's Plumbing.
Service area
Twelve Acadiana towns, on city water or a well
- Lafayette
- Youngsville
- Broussard
- Scott
- Carencro
- Milton
- Duson
- Maurice
- Abbeville
- Breaux Bridge
- Crowley
- Sunset

Get your water tested
Call the office Monday to Friday, 7 AM to 5 PM, or send a request and someone will call you to set a time.