White Rock, SC Water Safety: 66/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Water systems across White Rock produce average compliance results for SC overall — pockets with documented violations exist, and the variation between areas makes checking the specific system serving a given address the most useful step for residents here.
How White Rock Compares
Data: EPA SDWIS Last verified: 2026-06-03
White Rock's Water Providers
Residential water in White Rock, SC is supplied by 2 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 2 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 1 ZIP code in White Rock, South Carolina (population ~179), covering 2 community water systems serving approximately 319,550 people region-wide.
No EPA violations recorded across any ZIP codes in White Rock — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for White Rock: C (66/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
White Rock water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for White Rock
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 29177 | C | COLUMBIA CITY OF (SC4010001) | 319,500 |
All ZIP Codes in White Rock
- 29177 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
White Rock Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What You Can Do in White Rock
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for White Rock, SC