Spartanburg County, SC

Water Treatment in Hilltop, SC

What Spartanburg Water System's latest water quality report says, and what it means for a Hilltop home.

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Local water snapshot

Spartanburg Water System

From its 2025 water quality report · read the full report

Water source: Lake William C. Bowen, Municipal Reservoir #1 (treated at the R.B. Simms plant) and Lake H. Taylor Blalock (treated at the Myles W. Whitlock Jr. plant when in operation); Spartanburg Water System serves about 166,364 people.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
Disinfectant: Free chlorine; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
TTHM (disinfection byproducts): 44 ppb; As reported (2025); federal limit 80 ppb.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
HAA5 (disinfection byproducts): 40 ppb; As reported (2025); federal limit 60 ppb.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
Lead (at sampled homes' taps): 0 ppb; 90th percentile of homes sampled (2025); 0 sampled homes above the action level. The federal action level is 15 ppb.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
PFOA: Not detected; Not detected (2024). EPA's enforceable limit is 4.0 ppt.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025
PFOS: Not detected; Not detected (2024). EPA's enforceable limit is 4.0 ppt.; Spartanburg Water (Commissioners of Public Works of the City of Spartanburg), 2025

What this means for your home

Hilltop is inside Spartanburg Water System's service area as mapped by local government.

Spartanburg Water System's report doesn't list hardness. Most reservoir-fed systems in this region are soft, but a quick hardness test at your tap is the only way to know before anyone recommends a softener.
Spartanburg Water disinfects with free chlorine. If you notice the taste or smell, NSF/ANSI 42 certified carbon reduces it.
Disinfection byproducts (TTHM) were 44 ppb against an 80 ppb limit. That's compliant; some households still prefer a margin, which NSF/ANSI 53 carbon or reverse osmosis provides.
73.5% of homes in Hilltop were built before 1980. EPA notes homes built before 1986 are more likely to have lead in their plumbing, so a certified-lab lead test at the tap is a sensible first step in an older home.

Recommended for Hilltop homes

Based on the data above. Your own test results always come first.

Chlorine taste & odorCertified carbon at the kitchen tap or for the whole home.Drinking-water reverse osmosisNSF/ANSI 58 RO at the kitchen tap.Water testingCertified-lab lead and full-panel testing.Whole-home filtrationSediment plus catalytic carbon for the whole house.

How it works

Step 1
Test
We read your utility's report with you, and run a certified-lab test when your home calls for one.
Step 2
Design
You get a written recommendation and quote for only what the data supports.
Step 3
Licensed install
An independent licensed plumber installs under a separate agreement with you.
Step 4
Retest
We confirm the system is doing what it's certified to do.

Hilltop at a glance

Population: 2,950; ACS 2020–2024 · U.S. Census Bureau (via Census Reporter), 2024
Households: 926; U.S. Census Bureau (via Census Reporter), 2024
Owner-occupied homes: 44.6%; U.S. Census Bureau (via Census Reporter), 2024
Median home value: $125,800; U.S. Census Bureau (via Census Reporter), 2024
Homes built before 1980: 73.5%; U.S. Census Bureau (via Census Reporter), 2024

Hilltop water questions

Who supplies water in Hilltop?

Hilltop is inside Spartanburg Water System's service area as mapped by local government. Its supply is lake william c. bowen, municipal reservoir #1 (treated at the r.b. simms plant) and lake h. taylor blalock (treated at the myles w. whitlock jr. plant when in operation). EPA's registry lists it serving about 166,364 people.

Does Spartanburg Water report PFAS?

PFOA and PFOS were not detected in the results it reported. EPA's enforceable limits for PFOA and PFOS are 4.0 parts per trillion; other proposed PFAS limits are under review.

How old are homes in Hilltop, and does that matter for water?

Census estimates put 73.5% of Hilltop homes as built before 1980. Lead usually comes from a home's own plumbing, not the utility, so in older homes a certified-lab lead test at the tap is the honest starting point.

Do you serve Hilltop?

Yes. Hilltop is about 92 minutes from our Charlotte base. Installation is performed by an independent, SC-licensed plumbing contractor under a separate agreement with you.

Do I need a permit to install a water treatment system?

Whole-house treatment is plumbing work in South Carolina. Your independent licensed plumber determines and pulls any permit Spartanburg County requires.

Nearby areas we serve

All of Spartanburg County Every county and town we serve Look up your water by ZIP

Get an honest answer about Hilltop water.

Tell us about your home and water source. We'll recommend testing first, and only the equipment your results support.