Is Gaston, SC tap water safe?
The short answer
Neither of the 2 utilities serving Gaston has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and South Carolina’s records.
Gaston Rural Water Dist, which serves the most people here, has 1 result above the health goal. The worst: Lead at 5.0 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Gaston’s ZIP codes, from EPA’s estimates.
- Open report
Gaston Rural Water Dist
South Carolina · serves 7,550 people · about 400 in Gaston
1 result above the health goal. The worst: Lead at 5.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Cayce
South Carolina · serves 17,460 people · about 190 in Gaston
2 results above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 6.3 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Gaston Rural Water Dist’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Gaston
The 3 labs South Carolina certifies closest to Gaston, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Water Systems Inc.
West Columbia, SC · about 7 miles
Certified for bacteria
Pace Analytical Services LLC
West Columbia, SC · about 8 miles
Certified for bacteria
Alliance Technical Group LLC - Columbia
Columbia, SC · about 13 miles
Certified for bacteria, nitrate, minerals and other inorganics
ZIP codes in Gaston
Which ZIP codes are in Gaston: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: SCDES, Commercial Environmental Laboratory Mapping (CELMapp), labs certified under the Safe Drinking Water Act; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Gaston
Towns nearby with a page of their own.
What to do next
- Read Gaston Rural Water Dist’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water