Mostly well waterCounty

Water filtration in Johnston County, North Carolina

Johnston County is growing fast along its western edge and stays rural across most of the rest of it. Both halves are ours.

A new build in Clayton and a farmhouse outside Smithfield are two different jobs, and the second one is the one we see fewer competitors doing properly.

What the water is like here

Wells in Johnston County and its neighbours commonly return iron, hydrogen sulfide, sediment or low pH, frequently more than one together.

Hydrogen sulfide, the rotten-egg smell, is produced by bacteria in low-oxygen groundwater and is extremely common in North Carolina wells. It is not usually a health hazard at residential levels, but it is unpleasant, it can corrode plumbing, and it will not clear on its own.

Iron shows up as orange staining on laundry and fixtures. Both are treatable, and the iron number from your test decides which system does it.

What we actually find in Johnston County

The rotten-egg smell

Hydrogen sulfide. Air injection or peroxide injection handles it at the point of entry, depending on how much iron comes with it.

Orange staining

Iron in the groundwater. It is an aesthetic contaminant rather than a regulated health one, and it ruins laundry and fixtures until it is treated.

Test your well yourself

Private wells are not regulated or tested by anyone but you. Annually at minimum for bacteria and nitrates, and again any time the taste, smell or appearance changes.

Systems that suit Johnston County

Priced on the site, as always.

All systems and prices ›

All prices are for a garage or accessible waterline install. Crawl space, attic, outside or trenching installs add a $399 minimum, quoted on-site before any work begins.

Questions we get in Johnston County

Do you work on well water?

Yes, and it's a meaningful share of what we do. Wells in Wake, Harnett, Chatham and Johnston counties commonly come back with iron, hydrogen sulfide, sediment or low pH. Those need genuinely different equipment than a city water home — which is why we test first instead of quoting off a price list.

Do I need a sediment pre-filter?

On a well, almost always. Sand, silt and grit will shorten the life of every piece of equipment downstream of it, including your pump and your pressure tank. On city water it’s rarely necessary unless you’re on an older line or there’s been recent main work.

What maintenance does the system need?

Whole-home tank systems are mostly self-maintaining — the valve regenerates or backwashes on its own, metered by your water use, and the media lasts years (calcite is the exception: it is consumed slowly and topped up). What needs regular attention: salt in the brine tank if you have a softener, sediment pre-filters, UV lamps annually, and RO membranes and filter stages on their cycle.

Is the water test really free?

Yes. We come to your home, test at your kitchen sink, and show you the results while we're standing there. No fee, no obligation, no PDF emailed to you three days later. It takes about fifteen minutes.

Read the full Answer Center ›

Free water test in Johnston County.

Fifteen minutes at your kitchen sink, results while we are standing there, and no obligation. If your water is fine, we will tell you that.

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