A
89

Excellent Water Quality

Aurora, CO 80046

Arapahoe County · Population served: 105 · Data updated March 2026

Water Systems Serving This Area

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MONTROSE TRAILER PARK
Groundwater · Pop. 105
PWSID: MI0040152

Violation History (Last 5 Years)

5Total (5yr)
1Health-Based
0Major

Water Quality Summary

Understanding Your Water in Aurora

Tap water quality in Aurora, Colorado (80046) receives an overall grade of A (Excellent) with a score of 89 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 24 points above the Colorado state average of 65. Compared to the national average (75), this area performs significantly better. The area is served by Montrose Trailer Park, a groundwater system providing water to approximately 105 people. Over the past 5 years, water systems here have accumulated 5 violations, including 1 health-based violations.

Your Score 89/100 A
vs State 24 pts above Colorado avg (65)
vs National 14 pts above national avg (75)

What a Grade A Means

A score of 89/100 means the water supply in Aurora, CO meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Aurora, Colorado receives a grade of A (Excellent) with a score of 89/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 80046 is served by 1 water system using groundwater sources, providing water to approximately 105 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 80046. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Aurora, Colorado during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Aurora, Colorado have received 5 violations in the last 5 years, including 1 health-based violation. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Aurora, Colorado shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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