Is Oak Grove, SC Tap Water Safe to Drink?
Oak Grove tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code 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 Oak Grove Get Its Water?
Water in Oak Grove, SC is provided by 3 public water systems: CAYCE CITY OF (3210003), WEST COLUMBIA CITY OF (3210004) and JOINT MUNICIPAL WSC (3220003).
How Is Oak Grove 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) and slow sand filtration.
What's in Oak Grove Tap Water?
The following contaminants were detected most frequently in Oak Grove public water systems. 1 of 1 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 | 1 ZIP | Above guideline |
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.0074 µg/L | — | 1 ZIP | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| PFOA | 0.0055 µg/L | — | 1 ZIP | Within guideline |
Health Risk Profile for Oak Grove
Based on EPA monitoring data, 1 of 1 ZIP codes in Oak Grove 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 Oak Grove Tap Water
Is Oak Grove tap water safe to drink?
Oak Grove tap water meets Safe Drinking Water Act requirements but 1 of 1 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 Oak Grove tap water?
The most commonly detected contaminants in Oak Grove water systems include: PFOS, lithium, HFPO-DA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Oak Grove get its drinking water?
Oak Grove receives water from 3 public water systems, including CAYCE CITY OF (3210003).
Do I need a water filter in Oak Grove?
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 Oak Grove tap water tested?
Public water systems in Oak Grove 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 2025-09-16.
Tap water reports by ZIP in Oak Grove
- 29170 - Oak Grove tap water report Higher concern
Water utilities serving Oak Grove, 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.
- CAYCE CITY OF (3210003)Action advised
- JOINT MUNICIPAL WSC (3220003)Action advised
- WEST COLUMBIA CITY OF (3210004)Action advised
Also covers / overlaps with
- Lexington CCD, SC · Township
- Pelion CCD, SC · Township
- South Congaree, SC
- Springdale, SC
- West Columbia, SC
- West Columbia-Cayce CCD, SC · Township