A92/100
BOULDER CITY — Water Quality Report 2026
Serving 15,000 people · Nevada
Water Source
Purchased Surface Water
County
—
System ID
NV0000011
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2003.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About BOULDER CITY
Is BOULDER CITY water safe to drink?
BOULDER CITY water receives a grade of A (92/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BOULDER CITY detected?
69 contaminants were tested in BOULDER CITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BOULDER CITY have any EPA violations?
Yes, BOULDER CITY has 5 EPA violation(s) on record, with the most recent in 2003. Violation types include MR.
How many people does BOULDER CITY serve?
BOULDER CITY serves approximately 15,000 people, Nevada. The system provides water to 1 community: Boulder City.
What type of water does BOULDER CITY provide?
BOULDER CITY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NV0000011.
How does BOULDER CITY compare to other utilities in Nevada?
BOULDER CITY scores 92/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Nevada state page for a full comparison of water systems.