CITY REPORT CO

Westminster, CO: 7 Violations - Home Safety 65/100

4 ZIP codes · 4 water systems · Updated

ZipCheckup grade for Westminster: C.

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

Available records for Westminster give it a middle-tier grade in CO; water systems can differ, so check the one that serves your home.

How Westminster Compares

Westminster65/100
Colorado avg59/100
National avg73/100

Data: EPA SDWIS

4
ZIP Codes
4
Water Systems
2
ZIPs Linked to Systems with Violations
C · 65
Avg Safety Score
Zone 1
County Radon Potential (High)
$499K
Median Home Value

What You Should Know About Westminster Water

  • Your city's water systems recorded 7 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0024 mg/L.
  • Health risk index (ZipCheckup composite of CDC data): 10.98.

Who Supplies Your Water in Westminster

Service in Westminster, CO can differ by address: 4 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.

Overview

We track home safety data for 4 ZIP codes in Westminster, Colorado (population ~52,295), covering 4 community water systems serving approximately 409,122 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 4 ZIP codes.

2 of 2 ZIP codes 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 Westminster: C (65/100)

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

Westminster water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0024 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 2 ZIP codes with known status exceed the EPA lead action level

Radon Risk

4 of 4 ZIP records with known zones are in EPA Radon Zone 1.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 13 2
Interim Enhanced Surface Water Treatment Rule Treatment Technique 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
80030 C 7 0 City of Westminster
80031 C 3 0 City of Westminster

All ZIP Codes in Westminster

Data Sources

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

Health Outcomes in Westminster

11%
Asthma (US: 9.8%)
9.7%
Diabetes (US: 10.4%)
17.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 11% ↑
Diabetes 9.7% ↓
Mental Health 17.1% ↑

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

Top Contaminants in Westminster Water

Surface Water Treatment Rule 13 violations
Treatment Technique
Pathogens may not be adequately removed
Interim Enhanced Surface Water Treatment Rule 4 violations
Treatment Technique

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

Lead Exposure Risk for Children in Westminster

0.0024
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Available area-level lead records for Westminster do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.

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

Historical NFIP Claim Context in Westminster

35
Total FEMA Flood Claims
$11,479
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Westminster contains 35 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $11,479. 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.

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 Westminster

  1. Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
  2. Install a certified water filter. For Surface Water Treatment Rule, listed in the water-quality records for Westminster: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Frequently Asked Questions

What does the Home Safety Score mean for Westminster, CO?
Westminster has an average Home Safety Score of 65/100 (Grade C) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 7 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving Westminster?
EPA records list 7 EPA violations for Westminster water systems. These water-system violations are shown for 4 mapped ZIP codes.
Does Westminster water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Westminster is 0.0024 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Westminster compare to Colorado average?
Westminster has an average Home Safety Score of 65/100, which is at or above the Colorado state average of 59/100 for the same model series.
How many water systems serve Westminster?
Our records map 4 water systems to 4 ZIP codes in Westminster. The related population figure in our data is approximately 52,295 people; it is not a count of people served citywide.
Home → Cities → Colorado → Westminster, CO

How to cite this page

APA ZipCheckup. (2026). Westminster, CO: 7 Violations - Home Safety 65/100. https://zipcheckup.com/cities/co/westminster/
BibTeX
@misc{zipcheckup-cities-co-westminster,
  author = {{ZipCheckup}},
  title  = {{Westminster, CO: 7 Violations - Home Safety 65/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/co/westminster/}
}

Page version: October 2026.

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