CITY REPORT CO

Granby, CO: 2 Violations - Home Safety 66/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for Granby: C.

A mixed picture - some signals here are worth your attention.

Granby, CO: mid-range safety grade, uneven compliance across service areas.

How Granby Compares

Granby66/100
Colorado avg59/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
C · 66
Avg Safety Score
Zone 1
Radon Risk (High)
$506K
Median Home Value
$2,400
Est. Remediation (0.5% of home value)

Key Facts for Granby Residents

  • Your city's water systems recorded 2 violations in the past 5 years.
  • Average lead level: 0.0043 mg/L.
  • Homes built before 1986: 37% - older plumbing may contain lead solder.
  • Estimated remediation: $2,400 per household.
  • CDC health risk index: 11.12.

Granby's Water Providers

3 independent water providers serve Granby, CO - 5 systems appear in federal records.

Overview

We track home safety data for 1 ZIP code in Granby, Colorado, covering 5 community water systems serving approximately 3,550 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Granby: C (66/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Granby water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0043 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Nickel Inorganic 2 1
Fecal Coliform Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
80446 C 2 0 Granby Town of South Service Area

All ZIP Codes in Granby

  • 80446 [C] - 2 violations

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Granby Community Health Snapshot

10.8%
Asthma (US: 9.8%)
9.1%
Diabetes (US: 10.4%)
15.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.8% ↑
Diabetes 9.1% ↓
Mental Health 15.6% ↑

Vertical line = national average. Above national · Below national

What's in Granby's Water?

Nickel 2 violations
Inorganic · EPA limit: 0.1 mg/L
Skin and lung effects at high exposure
Fecal Coliform 2 violations
Microbiological

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Granby Infrastructure Age

1995
Median Build Year
37%
Built Before 1986
8%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

With a median build year of 1995, Granby's housing stock reflects a city built across multiple eras. A substantial share of homes predate 1986 - the year lead solder in plumbing was federally banned - meaning the risk from plumbing materials is unevenly distributed across the city's neighborhoods and property types.

1995
Median Year Built
37%
Pre-1986 (Lead Paint Risk)
8%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (8%) 1970–1986 (29%) Post-1986 (63%)

Most homes in Granby were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Granby

In Granby, the equity impact of remediation is proportionally small - not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.

Median Home Value
$506,400
Est. Remediation
$2,400
Remediation as % of home value 0.5%

Remediation costs in Granby are relatively low compared to home values. The $1,600–$3,300 estimated range is a small fraction of median property value. Home values are 12% above the Colorado average.

Granby: Lead Risk & Vulnerable Populations

37%
Homes Built Before 1986
0.0043
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Even where utility-side monitoring meets Lead and Copper Rule requirements, the 37% pre-rule share in Granby keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Granby: NFIP Claim Records and Water-Quality Context

2
Total FEMA Flood Claims
$31,887
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Granby contains 2 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $31,887. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,400</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Granby

  1. Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. Filters rated for Nickel can reduce the most common contaminant found in Granby's water.
  3. Check your home's plumbing. With 37% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Granby, CO?
Granby has an average Home Safety Score of 66/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 2 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Granby have?
Granby water systems have a total of 2 EPA violations. Violations are tracked across 1 ZIP code.
Does Granby water have lead?
The average 90th-percentile lead level in Granby is 0.0043 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Granby compare to Colorado average?
Granby has an average Home Safety Score of 66/100, which is above the Colorado state average of 59/100 for the same model series.
How many water systems serve Granby?
Granby is served by 5 public water systems across 1 ZIP code, serving approximately 3,550 people.
How much does it cost to fix water issues in Granby?
Estimated remediation costs in Granby average $2,400 per household, ranging from $1,600 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesColorado → Granby, CO

How to cite this page

APA ZipCheckup. (2026). Granby, CO: 2 Violations - Home Safety 66/100. https://zipcheckup.com/cities/co/granby/
BibTeX
@misc{zipcheckup-cities-co-granby,
  author = {{ZipCheckup}},
  title  = {{Granby, CO: 2 Violations - Home Safety 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/co/granby/}
}

Page version: August 2026.

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