Gaston, SC 29053

5 water systems • 11,220 residents

Excellent water quality with minimal contaminants

A

Score: 81/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

29

Contaminants Detected

108

Violations on Record

11

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History22 / 25
Contaminant Severity22 / 25
System Compliance3 / 15
Enforcement History0 / 10
Total Score81%

81 / 100 points

Recommended Water Filters

  • ✓Point-of-Use Carbon Filter (NSF-certified for lead)
  • ✓Ultraviolet (UV) Purification
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Gaston vs SC & National Average

Detected Contaminants

29 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Lead and Copper RuleHeavy Metal
LEAD AND COPPER RULE REVISIONSHeavy Metal
Coliform (TCR)Microorganism
E. COLIMicroorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
1,2-DichloropropaneOther
Consumer Confidence RuleOther
DICHLOROMETHANEOther
ETHYLENE DIBROMIDEOther
Stage 2 Disinfectants and Disinfection Byproducts RuleOther
Combined Radium (-226 and -228)Radiological
1,1-DichloroethyleneVolatile Organic
1,2-DichloroethaneVolatile Organic
1,2,4-TrichlorobenzeneVolatile Organic
BenzeneVolatile Organic
Carbon tetrachlorideVolatile Organic
CHLOROBENZENEVolatile Organic
cis-1,2-DichloroethyleneVolatile Organic
EthylbenzeneVolatile Organic
o-DichlorobenzeneVolatile Organic
p-DichlorobenzeneVolatile Organic
StyreneVolatile Organic
TetrachloroethyleneVolatile Organic
TolueneVolatile Organic
trans-1,2-DichloroethyleneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic

Water System Information

Systems Serving This ZIP:
UPPER CALHOUN/BELLEVILLE (0920001), GASTON RURAL WATER DIST (SC3220002), UPPER CALHOUN/SANDY RUN (SC0920002), HIGHLANDS AT GASTON (SC3270011), LOWER CALHOUN (SC0920003)
Population Served:
11,220
Systems With Violations:
4 of 5
Major Violations:
48
Enforcement Actions:
62

Nearby Areas

29160

Swansea • 6 mi away

B

29172

West Columbia • 6 mi away

B

29170

West Columbia • 8.6 mi away

B

29169

West Columbia • 10.7 mi away

B

29071

Lexington • 11.2 mi away

B

29171

West Columbia • 11.2 mi away

B

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.