Glenwood Springs, CO 81601

23 water systems12,589 residents

Moderate water quality - consider filtration

C

Score: 59/100

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

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

80

Contaminants Detected

942

Violations on Record

50

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History20 / 25
Contaminant Severity22 / 25
System Compliance1 / 15
Enforcement History0 / 10
Total Score59%

59 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Glenwood Springs vs CO & National Average

Detected Contaminants

80 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
NitrateAgricultural
NitriteAgricultural
SimazineAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Antimony, TotalHeavy Metal
ArsenicHeavy Metal
BariumHeavy Metal
Beryllium, TotalHeavy Metal
CadmiumHeavy Metal
ChromiumHeavy Metal
Lead and Copper RuleHeavy Metal
LEAD AND COPPER RULE REVISIONSHeavy Metal
MercuryHeavy Metal
NickelHeavy Metal
SeleniumHeavy Metal
Thallium, TotalHeavy Metal
FluorideInorganic
Coliform (TCR)Microorganism
E. COLIMicroorganism
Revised Total Coliform RuleMicroorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
1,2-DichloropropaneOther
2,4-DOther
2,4,5-TPOther
AldicarbOther
Aldicarb sulfoneOther
Aldicarb sulfoxideOther
Benzo(a)pyreneOther
BHC-GAMMAOther
CarbofuranOther
CARBON, TOTALOther
ChlordaneOther
ChlorineOther
Consumer Confidence RuleOther
DalaponOther
Di(2-ethylhexyl) adipateOther
Di(2-ethylhexyl) phthalateOther
DICHLOROMETHANEOther
DinosebOther
DiquatOther
EndothallOther
EndrinOther
ETHYLENE DIBROMIDEOther
HeptachlorOther
Heptachlor epoxideOther
HexachlorocyclopentadieneOther
Interim Enhanced Surface Water Treatment RuleOther
LASSOOther
MethoxychlorOther
OXAMYLOther
PentachlorophenolOther
PicloramOther
Public NoticeOther
Stage 1 Disinfectants and Disinfection Byproducts RuleOther
Surface Water Treatment RuleOther
Total Polychlorinated Biphenyls (PCB)Other
ToxapheneOther
Gross Alpha, Excl. Radon and URadiological
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
HEXACHLOROBENZENEVolatile Organic
o-DichlorobenzeneVolatile Organic
p-DichlorobenzeneVolatile Organic
StyreneVolatile Organic
TetrachloroethyleneVolatile Organic
TolueneVolatile Organic
trans-1,2-DichloroethyleneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic
Xylenes, TotalVolatile Organic

Water System Information

Systems Serving This ZIP:
CATTLE CREEK WUA, WEST RANCH SUBD, RIVERVIEW SUBD, LAZY DIAMOND A SUBD, CALLICOTTE RANCH +5 more
Population Served:
12,589
Systems With Violations:
22 of 23
Major Violations:
456
Enforcement Actions:
939

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.