Broomfield County, Colorado
3 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
Based on current EPA data, Broomfield County's 3 ZIP codes reflect fair but mixed water safety.
How Broomfield County Compares
How Broomfield County Compares
Broomfield County scores 6 points above the Colorado state average (60/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 9.2 (asthma 10.3%, diabetes 7.1%)
Estimated additional annual cost per homeowner: $687, driven primarily by wildfire
Infrastructure: 0.283% avg pipe failure probability
24.5% of homes built before 1978 (lead paint era)
Violation History (2021–2022)
→ Stable trendEPA violation counts by year across Broomfield County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 3 violations. Past 5 years: 5 total (5 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $687
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
31,411 housing units in Broomfield County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Broomfield County
Remediation costs are relatively manageable for most homeowners in Broomfield County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Broomfield County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Broomfield County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Broomfield City and County of | 106,153 | 6 |
| 2 | Front Range | 1,620 | 6 |
| 3 | Greatrock North Water Supply District | 1,250 | 6 |
| 4 | Mile High Wc | 700 | 6 |
| 5 | City of Westminster | 202,078 | 4 |
8 total water systems serve Broomfield County.
All ZIP Codes in Broomfield County
3 ZIP codes tracked in Broomfield County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 80023 | Broomfield | 69 | C | 2 (1 health) | $821K |
| 2 | 80038 | Broomfield | 65 | C | 2 (1 health) | — |
| 3 | 80020 | Broomfield | 64 | C | 2 (1 health) | $570K |
Recommended Buyer Guides for Broomfield County
Below: editorial picks, no sponsored placements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Broomfield County in Colorado covers 3 ZIP codes with an average Home Safety Score of C (66/100).
3 of 3 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.
← Back to Colorado water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.