Broomfield, CO: 4 Health Violations — 67/100 (2026)
4 ZIP codes · 10 water systems · Updated 2026-06-03
Across water systems in Broomfield, safety results are uneven — a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for CO.
How Broomfield Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Broomfield Water
- Your city's water systems recorded 8 violations in the past 5 years.
- Average lead level: 0.0025 mg/L.
- Homes built before 1986: 29% — older plumbing may contain lead solder.
- Estimated remediation: $2,550 per household.
- CDC health risk index: 9.38.
Who Supplies Your Water in Broomfield
Broomfield, CO is covered by 3 major water utilities out of 10 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 4 ZIP codes in Broomfield, Colorado (population ~115,617), covering 10 community water systems serving approximately 761,161 people region-wide.
4 of 4 ZIP codes (100%) have recorded EPA violations. 4 health-based violations documented.
Home Safety Score
Average Home Safety Score for Broomfield: C (67/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Broomfield water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0025 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 4 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 5 | 4 |
| E. coli | Microbiological | 5 | 4 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 80020 | C | 2 | 1 | Broomfield City and County of |
| 80021 | C | 2 | 1 | Broomfield City and County of |
| 80023 | C | 2 | 1 | Broomfield City and County of |
| 80038 | C | 2 | 1 | Broomfield City and County of |
All ZIP Codes in Broomfield
- 80020 [C] — 2 violations ⚠
- 80021 [C] — 2 violations ⚠
- 80023 [C] — 2 violations ⚠
- 80038 [C] — 2 violations ⚠
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
Updated daily.
Health Outcomes in Broomfield
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Broomfield Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Broomfield
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
Newer construction dominates Broomfield's residential inventory, as reflected in a median build year of 1999. The practical implication is that lead-soldered copper plumbing joints — a pre-1986 standard now federally prohibited — are an exception rather than the rule in this city, though they remain present in the older fraction of the housing stock.
Most homes in Broomfield 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.
Cost Context: What Remediation Means for Broomfield Homeowners
Given current Broomfield valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Broomfield are relatively low compared to home values. The $1,650–$3,650 estimated range is a small fraction of median property value. Home values are 26% above the Colorado average.
Lead Exposure Risk for Children in Broomfield
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.
Although citywide aggregate readings pass cleanly and just 29% of Broomfield housing comes from the pre-rule era, the difference between what utilities sample and what arrives at one specific faucet remains a structural feature of how monitoring works. Households with kids in the home can find a certified lead-removal filter and a draw-test kit through retailer-verified channels. That step is independent of system-level data.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Broomfield
Over the multi-decade window covered by the National Flood Insurance Program, Broomfield has accumulated 32 claims — a total that suggests more than isolated flood exposure. With 75% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Broomfield has a moderate flood history with 32 FEMA claims averaging $3,553 per payout. 75% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$2,550</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Broomfield
- 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.
- Install a certified water filter. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Broomfield's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Broomfield, CO