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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 81645 Water Quality & Testing Report

Minturn, CO · Eagle County County · Updated for 2026

Sahajul HaqueCompiled & verified by Sahajul Haque from official EPA SDWIS records
Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 81645 (Minturn, CO)?

Yes, tap water in ZIP code 81645 (Minturn, CO) is safe to drink under EPA Safe Drinking Water Act standards. Supplied by Minturn Town of, the area earns an EPA Safety Grade of B (81/100) with 0 health violations, 2.0 ppb lead, and very hard (183 mg/L / 10.7 GPG) water.

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

0

Total Violations

1

Lead Risk

High

Contaminants

0

About Tap Water in ZIP Code 81645

Tap water in ZIP code 81645 (Minturn, CO) is distributed by Minturn Town of (EPA ID: CO0119510), serving approximately 1,200 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of B with a composite quality score of 81/100.

Water System

Minturn Town of

EPA ID: CO0119510

Water Source

Surface Water

Population Served

1,200 residents

County

Eagle County County, Colorado

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Lead Levels in ZIP 81645

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 2.0 ppb — Very Low

The 90th percentile lead level in 81645 is 2.0 ppb. This meets the EPA action level of 15 ppb. Health experts recommend a target of 0 ppb for optimal safety.

Lead exposure risk in 81645 is rated High. EPA models estimate a 52% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
2.00 ppb (0.002 mg/L)
Copper Level (90th percentile)

EPA action level: 1.3 mg/L

1.68 mg/L
Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

52%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Very Hard10.7 GPG · 183 mg/L

Water in ZIP 81645 is Very Hard (183 mg/L / 10.7 GPG). High concentrations of dissolved limestone minerals cause severe mineral buildup, stiff laundry, dry skin, and premature water heater wear.

Recommendation: A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Hardness (GPG)

Grains per gallon

10.7 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

183 mg/L
Appliance Scaling Risk
High / Severe

Interactive Water Safety & Filter Matcher

Personalized for ZIP 81645 (Minturn, CO)

Free Tool

Official EPA SDWIS Database Entry

Utility: Minturn Town of · PWSID: CO0119510

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Minturn Town of has recorded 1 violation, but none are health-based (e.g., administrative or monitoring infractions). 1 violation remains unresolved in EPA tracking records.

Total Violations (5 yr)
1
Health-Based Violations
0
Unresolved Violations
1
Boil Water Advisories
0
Compliance Risk
Moderate

Regulatory compliance risk for this utility is rated Moderate based on past reporting and enforcement records.

⚗️

Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 81645 under the Safe Drinking Water Act.

⚖ Enforcement Actions

EPA or state regulators have issued 3 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$0
Energy Burden

% of household income spent on energy — indicator of older infrastructure

1.55%

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 81645

Tap Water & Well Testing Recommendations

Residents in ZIP code 81645 served by Minturn Town of can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Colorado Department of Public Health and Environment.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in CO for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 81645 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from Minturn Town of
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Recommended Taste & Safety Filter:

🚰

NSF/ANSI 53 Certified Pitcher Filter

Best for removing aesthetic chlorine, odors, and low-level heavy metals.

Filter Selection Guide →

Frequently Asked Questions — ZIP 81645 Water Quality

Is tap water safe to drink in ZIP code 81645?+
Yes — tap water in 81645 (Minturn, CO) meets EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years.
How do I get my water tested in ZIP 81645 (Minturn, CO)?+
To test water quality in ZIP 81645, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in CO. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Colorado Department of Public Health and Environment for a list of certified regional labs.
How hard is the tap water in 81645?+
Tap water in 81645 is classified as Very Hard with an estimated mineral hardness of 183 mg/L (10.7 GPG). A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Should I test private well water in 81645?+
Yes. Unlike municipal systems, private wells in 81645 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 81645 tap water?+
The 90th percentile lead level in 81645 is 2.0 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 81645?+
There are currently no active boil water advisories on record for 81645. Water treatment systems are operating within normal parameters.
Who provides tap water to 81645?+
Tap water in ZIP code 81645 is provided by Minturn Town of (EPA ID: CO0119510), serving approximately 1,200 residents.
What water filter should I use in 81645?+
Based on water metrics for 81645, we recommend Lead & Microplastic Filter. Look for certifications such as NSF/ANSI 53 (Lead Reduction), NSF/ANSI 42 (Particulate/Taste).

Data Sources & Methodology

Water quality data for ZIP code 81645 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Minturn Town of. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →