A95/100
DAYTON VALLEY WATER SYSTEM — Water Quality Report 2026
Serving 16,000 people · Nevada
Water Source
Groundwater
County
—
System ID
NV0000032
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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 DAYTON VALLEY WATER SYSTEM
Is DAYTON VALLEY WATER SYSTEM water safe to drink?
DAYTON VALLEY WATER SYSTEM water receives a grade of A (95/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DAYTON VALLEY WATER SYSTEM detected?
66 contaminants were tested in DAYTON VALLEY WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DAYTON VALLEY WATER SYSTEM have any EPA violations?
Yes, DAYTON VALLEY WATER SYSTEM has 2 EPA violation(s) on record, with the most recent in 1992. Violation types include MR.
How many people does DAYTON VALLEY WATER SYSTEM serve?
DAYTON VALLEY WATER SYSTEM serves approximately 16,000 people, Nevada. The system provides water to 2 communities: Moundhouse, Dayton.
What type of water does DAYTON VALLEY WATER SYSTEM provide?
DAYTON VALLEY WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NV0000032.
How does DAYTON VALLEY WATER SYSTEM compare to other utilities in Nevada?
DAYTON VALLEY WATER SYSTEM scores 95/100 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.