CITY REPORT CO

Granite, CO: High Radon Risk - Home Safety Score unavailable

Name: Water Quality Data for Granite, CO
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

1 ZIP code · 0 water systems · Updated

Data: EPA SDWIS

ZIP Codes

Water Systems

N/A

ZIPs with Violations

Zone 1

Radon Risk (High)

$1,200

Est. Remediation

Granite Water: The Quick Version

Estimated remediation: $1,200 per household.
CDC health risk index: 11.96.

Overview

We track home safety data for 1 ZIP code in Granite, Colorado, covering 0 community water system serving approximately 0 people. The EPA snapshots used for this build directly map water systems to 0 of 1 ZIP codes.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Granite.

Lead & Copper

Lead data: not yet available for Granite
Lead action-level status: not available

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

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

All ZIP Codes in Granite

81228

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Radon: EPA Map of Radon Zones

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

💧 Water Quality in Granite

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Granite.

N/A

EPA Violations

Water Systems

A clean-water conclusion is not shown because no reported EPA violation count is available for this scope.

Source: EPA Safe Drinking Water Information System (SDWIS). This is a summary - check individual ZIP code pages for detailed contaminant data.

💰 What It Costs to Fix

Looking at Granite's cost and property data together, estimated remediation figures fall in the lower portion of the equity-share spectrum - a classification that reflects local valuations and places safety planning well within reach for most property owners here.

$800

Low Estimate

$1,200

Mid Estimate

$1,500

High Estimate

Estimated remediation costs in Granite range from $800 to $1,500, with a mid estimate of $1,200. Costs include water filtration, lead remediation, radon mitigation, and PFAS filtration where supported by the available inputs. Flood insurance is excluded.

Source: ZipCheckup estimates based on EPA data and regional cost databases. Actual costs vary by property and contractor.

CDC Health Data for Granite

10.8%

Asthma (US: 9.8%)

10.2%

Diabetes (US: 10.4%)

14.9%

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 10.2% ↓

Mental Health 14.9% ↑

Vertical line = national average. ■ Above national · ■ Below national

Compare with Nearby Cities

2 ZIP codes · 108 EPA violations · Grade C

Allenspark, CO

1 ZIP code

Frequently Asked Questions

How much does it cost to fix water issues in Granite?

Estimated remediation costs in Granite average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.

Home → Cities → Colorado → Granite, CO

How to cite this page

APA

ZipCheckup. (2026). Granite, CO: High Radon Risk - Home Safety Score unavailable. https://zipcheckup.com/cities/co/granite/

BibTeX

@misc{zipcheckup-cities-co-granite,
  author = {{ZipCheckup}},
  title  = {{Granite, CO: High Radon Risk - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/co/granite/}
}

Page version: August 2026.