Grantsville, UT 84029

1 water system16,284 residents

Severe water quality issues - filtration essential

F

Score: 9/100

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

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

60

Contaminants Detected

382

Violations on Record

17

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History0 / 25
Contaminant Severity4 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score9%

9 / 100 points

Recommended Water Filters

  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Grantsville vs UT & National Average

Detected Contaminants

60 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
GlyphosateAgricultural
SimazineAgricultural
Antimony, TotalHeavy Metal
ArsenicHeavy Metal
BariumHeavy Metal
Beryllium, TotalHeavy Metal
CadmiumHeavy Metal
ChromiumHeavy Metal
MercuryHeavy Metal
NickelHeavy Metal
SeleniumHeavy Metal
Thallium, TotalHeavy Metal
CYANIDEInorganic
FluorideInorganic
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
1,1,1-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
2,3,7,8-TCDDOther
2,4-DOther
2,4,5-TPOther
AldicarbOther
Aldicarb sulfoneOther
Aldicarb sulfoxideOther
Benzo(a)pyreneOther
BHC-GAMMAOther
CarbofuranOther
ChlordaneOther
DalaponOther
Di(2-ethylhexyl) adipateOther
Di(2-ethylhexyl) phthalateOther
DinosebOther
DiquatOther
EndothallOther
EndrinOther
ETHYLENE DIBROMIDEOther
HeptachlorOther
Heptachlor epoxideOther
HexachlorocyclopentadieneOther
LASSOOther
MethoxychlorOther
OXAMYLOther
PentachlorophenolOther
PicloramOther
Total Polychlorinated Biphenyls (PCB)Other
ToxapheneOther
Combined Radium (-226 and -228)Radiological
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological
Radium-226Radiological
Radium-228Radiological
1,1-DichloroethyleneVolatile Organic
1,2-DichloroethaneVolatile Organic
BenzeneVolatile Organic
Carbon tetrachlorideVolatile Organic
HEXACHLOROBENZENEVolatile Organic
p-DichlorobenzeneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic

Water System Information

Systems Serving This ZIP:
GRANTSVILLE CITY
Population Served:
16,284
Systems With Violations:
1 of 1
Major Violations:
306
Enforcement Actions:
338

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.