A brass bypass manifold on a whole-house water filtration tie-in
Service areas

Where we install water treatment

Sixteen towns across two metros — and a different utility behind almost every one.

SC Lic. CLG.127339Licensed & insured Charleston & York CountyWater treatment

Quick answer: We install water treatment across the Charleston Lowcountry and York County. Which system is right depends on which utility serves you, because these are genuinely different waters — Charleston is chloraminated surface water with PFAS above the coming federal limit, Summerville drinks a different lake, Mount Pleasant runs its own reverse-osmosis wells, and York County is softer than all of them. Call (843) 718-8177.

There is no single answer to “what filter do I need” across this territory, because there is no single water. Six different utilities supply the towns below, from four different sources, using two different disinfectants.

Each town page names its own utility and publishes that utility’s own figures — hardness, source, disinfectant, PFAS results and disinfection byproducts — with a link to where each number came from.

Who supplies the water, town by town
TownUtilityPublished hardness
CharlestonCharleston Water System58.4 ppm · 3.4 gr
Daniel IslandCharleston Water System58.4 ppm · 3.4 gr
North CharlestonCharleston Water System58.4 ppm · 3.4 gr
West AshleyCharleston Water System58.4 ppm · 3.4 gr
Mount PleasantMount Pleasant Waterworks40–44 ppm · 2.3–2.6 gr
SummervilleSummerville CPW23 ppm · 1.35 gr
Rock HillRock Hill Utilities35 ppm · 2.0 gr
Fort MillTown of Fort Mill (Rock Hill supply)18–35 ppm · ~2 gr
Indian LandLancaster County Water & Sewer District26 ppm · 1.52 gr

Hardness figures are the utilities’ own published numbers. USGS classifies anything under 60 mg/L as soft, so every supply in this table is soft — which is why we rarely recommend a softener on city water in either market.

Common questions

Do you install water filtration in both Charleston and York County?

Yes — both metros, as Southeastern Renovation, using licensed plumbing subcontractors who pull their own permits.

Southeastern Renovation is a licensed South Carolina general contractor, CLG.127339. South Carolina law names water-conditioning equipment inside the plumbing subclassification, so the tie-in is plumbing work by statute.

Which town has the worst water?

It depends entirely on what you mean by worst, and no town here has a health-based violation on EPA’s record.

For PFAS, the Charleston-metro surface systems are the concern — every one tested above the PFOS limit. For disinfection byproducts, Rock Hill and the City of York have the least headroom. For hardness, nowhere: every supply in both markets is soft.

What if my town is not listed?

Call us — we cover more of both metros than has a page here, and we only build a town page where we can source that utility’s own published figures.

We would rather leave a town off than publish a number we cannot stand behind.

All towns