Carnes Crossroads
Carnes Crossroads is a conservation community on Summerville CPW. Newer construction with garage-accessible water mains makes installation straightforward.
Your utility
Carnes Crossroads homes are served by Summerville CPW, which sources water from Lake Moultrie via Santee Cooper. Published hardness ranges from 5.5 to 7.2 grains per gallon, classified as moderately hard. Five PFAS compounds have been detected, with PFUnA at 1,183 times the EWG health advisory level.
Source: Summerville CPW Consumer Confidence Report, EWG Tap Water Database
Water utility
Summerville CPW
Source: Lake Moultrie via Santee Cooper
Hardness
5.5-7.2 gpg (moderately hard)
Disinfectant
Chloramine
Municipality
Summerville (Berkeley County)
PFAS status
PFUnA at 1,183x EWG level
Five PFAS compounds detected in Summerville CPW water serving Carnes Crossroads. PFUnA measured at 1,183 times the EWG health advisory level. CPW has begun a $96 million remediation project with completion targeted for 2029 to 2031.
The forever-chemicals data
Five PFAS compounds detected in Summerville CPW water serving Carnes Crossroads. PFUnA measured at 1,183 times the EWG health advisory level. CPW has begun a $96 million remediation project with completion targeted for 2029 to 2031.
| Compound | Status | EWG multiplier |
|---|---|---|
| PFUnA | Detected | 1,183x |
| PFOS | Detected | Above EWG advisory |
| PFOA | Detected | Above EWG advisory |
| PFHxS | Detected | Above EWG advisory |
| PFBS | Detected | Above EWG advisory |
Source: EWG Tap Water Database for Summerville CPW. CPW has begun a $96 million remediation project with completion targeted for 2029 to 2031.
Lowcountry water service area
Carnes Crossroads sits inside a patchwork of Lowcountry water utilities, each with its own source, hardness and disinfection chemistry. The Carnes Crossroads marker is highlighted; click any other marker to see its utility, hardness, and water page.
What Carnes Crossroads is asking
Yes. Carnes Crossroads is served by Summerville CPW, which delivers water at approximately 5.5 to 7.2 grains per gallon. That is classified as moderately hard. Newer homes in this conservation community are particularly well-suited for whole-home systems due to garage-accessible water mains.
Five PFAS compounds have been detected in the Summerville CPW water supply that serves Carnes Crossroads. PFUnA was measured at 1,183 times the EWG health advisory level. CPW has a $96 million remediation project underway with completion targeted for 2029 to 2031.
Pristine Water Networks installs whole-home Puronics water conditioning systems throughout Carnes Crossroads. We offer a free 45-minute in-home water test where a Pristine-certified technician tests your tap water on your counter and walks you through the results. No obligation.
Carnes Crossroads is served by Summerville Commissioners of Public Works (CPW), which sources water from Lake Moultrie via Santee Cooper. CPW uses chloramine as its secondary disinfectant (minimizes TTHM and HAA9 formation vs. free chlorine).
Carnes Crossroads water is approximately 5.5 to 7.2 grains per gallon, classified as moderately hard. This is the standard Summerville CPW delivery range sourced from Lake Moultrie via Santee Cooper. Conservation community construction often makes whole-home installation cleaner than older Summerville proper homes.
Carnes Crossroads tap water is Summerville CPW water. EWG testing of CPW data identified 11 compounds above EWG health guidelines, including TTHMs at approximately 168x EWG guideline, HAA9 at approximately 368x guideline, and five PFAS compounds with PFUnA at approximately 1,183x EWG advisory. All values are legal under current federal drinking water standards.
At approximately 7.2 grains per gallon, Carnes Crossroads is firmly in the moderately hard range. Whether a whole-home conditioner is worth installing depends on your appliance mix, family size, shower feel, and bottled water spending. A free in-home water test from Pristine gives you the math for your specific home before you decide.
Three local options serve Carnes Crossroads: Pristine Water Networks (authorized Puronics dealer, published pricing, Summerville-based), Wadford Water Works (family-owned, Charleston metro since 2007), and Culligan Charleston (national franchise). Pristine publishes $7,999 installed before the in-home visit. Culligan and Kinetico require a 60-90 minute sales call before giving a price. The right fit depends on what you value most.
Your neighbor, doing the work
“I’ve tested water in Carnes Crossroads homes up and down these streets. If your water tests fine, I’ll tell you.”
Jarred Guidelli · Founder, Pristine Water Networks
Summerville, SC · SC-licensed partner plumber · Authorized Puronics dealer
Free in-home water test
45 minutes. On your counter. No pressure. If your water tests fine, we will tell you.
