Is West Columbia, SC Tap Water Safe to Drink?
West Columbia tap water meets federal Safe Drinking Water Act standards but 2 of 2 ZIP codes show detections above EPA health guidelines, primarily for PFOS. A certified filter is recommended for households that want an additional layer of protection.
Where Does West Columbia Get Its Water?
Water in West Columbia, SC is provided by 3 public water systems: WEST COLUMBIA CITY OF (3210004), CAYCE CITY OF (3210003) and BGWC I-20 (3250012).
How Is West Columbia Tap Water Treated?
Treated water is disinfected using calcium hypochlorite and free chlorine and chloramines and on-site generated disinfectant. Treatment includes conventional treatment (coagulation, flocculation, and filtration), direct filtration and slow sand filtration.
What's in West Columbia Tap Water?
The following contaminants were detected most frequently in West Columbia public water systems. 2 of 2 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| PFOS | 0.0077 µg/L | 0.004 µg/L | 2 ZIPs | Above guideline |
| PFPeA | 0.005 µg/L | 0.003 µg/L | 2 ZIPs | Above guideline |
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.0076 µg/L | — | 2 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for West Columbia
Based on EPA monitoring data, 2 of 2 ZIP codes in West Columbia have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about West Columbia Tap Water
Is West Columbia tap water safe to drink?
West Columbia tap water meets Safe Drinking Water Act requirements but 2 of 2 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in West Columbia tap water?
The most commonly detected contaminants in West Columbia water systems include: PFOS, PFPeA, lithium. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does West Columbia get its drinking water?
West Columbia receives water from 3 public water systems, including WEST COLUMBIA CITY OF (3210004).
Do I need a water filter in West Columbia?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is West Columbia tap water tested?
Public water systems in West Columbia are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-09-30.
Tap water reports by ZIP in West Columbia
- 29169 - Westover Acres, West Columbia tap water report Higher concern
- 29171 - West Columbia tap water report Higher concern
Water utilities serving West Columbia, SC
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- JOINT MUNICIPAL WSC (SC3220003)Action advised
- BGWC LAKE WYLIE AREA (SC4650006)No recent federal sampling
- BGWC WINDY HILL (SC3250057)No recent federal sampling
Also covers / overlaps with
- West Columbia-Cayce CCD, SC · Township