Water Filtration Services | Legacy Water Well

What Is the Best Filtration System for Well Water?

The best well water filtration system is the one that actually matches your water's specific problems — and in North Texas, those problems vary wildly depending on which aquifer you're pulling from, how deep your well is, and what the geology looks like between the surface and your water table.

There is no single "best" filter. A homeowner in Weatherford dealing with iron and sulfur needs a completely different system than someone in Denton County fighting hardness and sediment. That's why Legacy Water Well starts every filtration project with a comprehensive water test — not a sales pitch.

Here's what we commonly see in North Texas well water and the systems that solve each issue:

• Iron & sulfur (rotten egg smell, orange staining) — Iron/sulfur removal systems using air injection oxidation or chemical-free media like Birm or catalytic carbon.
• Hardness (scale buildup, soap won't lather) — Water softeners or hard water treatment systems using ion exchange. North Texas well water commonly tests 15–30+ grains per gallon.
• Bacteria (coliform, E. coli) — UV disinfection or chlorine injection systems. If bacteria shows up in your water test, this isn't optional — it's a health issue.
• Sediment (sand, grit, turbidity) — Sediment filtration using spin-down filters, cartridge filters, or multi-media tanks.

Not sure what's in your water? We test it and tell you exactly what you're dealing with. Schedule a free water test →

Understanding North Texas Well Water Quality

North Texas sits on top of several aquifer systems — the Trinity, Woodbine, Paluxy, and Antlers formations being the most common sources for residential wells. Each one has its own water chemistry fingerprint, and almost none of them produce water that's ready to drink straight out of the ground without some level of treatment.

Unlike city water, well water has no municipal treatment. There's no chlorination plant, no fluoride addition, no regulated testing. The water quality is 100% your responsibility as the well owner.

Common North Texas Well Water Issues

Iron (0.5–10+ ppm): Iron is the most visible well water problem. At levels above 0.3 ppm, you'll see orange staining in toilets, sinks, and laundry. Ferrous iron (dissolved) is clear when first drawn but turns orange when exposed to air. Ferric iron (oxidized) is already orange coming out of the tap.

Hydrogen sulfide (rotten egg smell): That sulfur smell isn't just unpleasant — it corrodes copper plumbing and silver fixtures. Our iron and sulfur removal systems use air injection to oxidize and filter out hydrogen sulfide without chemicals.

Hardness (15–30+ GPG): North Texas has some of the hardest water in the country thanks to the limestone formations our aquifers run through. A properly sized water softener eliminates the problem completely.

Bacteria: Coliform bacteria and occasionally E. coli show up in well water tests, especially in shallow wells or wells with compromised casings. This requires immediate bacteria treatment.

Get your well water tested — free with any filtration install →

Test First, Then Build the Right System

We've seen homeowners waste thousands on filtration equipment they bought online or from a big-box store that doesn't actually address their water problems. A carbon filter won't fix iron. A softener won't kill bacteria. And an undersized system will fail within months.

Step 1: Comprehensive Water Testing

We collect samples and test for iron (ferrous and ferric), manganese, hydrogen sulfide, hardness, pH, TDS, coliform bacteria, nitrates, and any other contaminants specific to your area.

Step 2: System Design

Based on your test results, household size, water usage, and plumbing configuration, we design a treatment train — the sequence of filtration stages your water passes through. The order matters.

Step 3: Professional Installation

We install everything at the point of entry — where the well line enters your home — so every faucet, shower, and appliance gets treated water.

Step 4: Ongoing Maintenance

Every filtration system needs periodic maintenance. We set you up on a maintenance schedule and service what we install.

Ready for clean, safe well water? Request a free water test and filtration quote →

Whole House Filtration vs. Under-Sink Filters

For well water, the answer is almost always whole house. Well water contaminants like iron, sulfur, hardness, and bacteria don't just affect your drinking water — they affect every fixture, appliance, and pipe in your home.

A point-of-use filter is a great addition to whole house treatment for drinking water refinement, but it can't protect your plumbing infrastructure or appliances.

What About Those Pitcher Filters and Fridge Filters?

Brita pitchers and refrigerator filters are designed for city water. They are not rated for iron, sulfur, hardness, or bacteria at the levels found in well water. Using a pitcher filter on untreated well water is like putting a screen door on a submarine.

Let's design the right system for your well →