A93/100
LOCKWOOD WATER AND SEWER DISTRICT — Water Quality Report 2026
Serving 5,900 people · Montana
Water Source
Surface Water
County
—
System ID
MT0000156
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 LOCKWOOD WATER AND SEWER DISTRICT
Is LOCKWOOD WATER AND SEWER DISTRICT water safe to drink?
LOCKWOOD WATER AND SEWER DISTRICT water receives a grade of A (93/100), which is considered excellent. Out of 38 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LOCKWOOD WATER AND SEWER DISTRICT detected?
38 contaminants were tested in LOCKWOOD WATER AND SEWER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LOCKWOOD WATER AND SEWER DISTRICT have any EPA violations?
Yes, LOCKWOOD WATER AND SEWER DISTRICT has 4 EPA violation(s) on record, with the most recent in 2013. Violation types include Other, MR.
How many people does LOCKWOOD WATER AND SEWER DISTRICT serve?
LOCKWOOD WATER AND SEWER DISTRICT serves approximately 5,900 people, Montana. The system provides water to 1 community: Billings.
What type of water does LOCKWOOD WATER AND SEWER DISTRICT provide?
LOCKWOOD WATER AND SEWER DISTRICT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MT0000156.
How does LOCKWOOD WATER AND SEWER DISTRICT compare to other utilities in Montana?
LOCKWOOD WATER AND SEWER DISTRICT scores 93/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Montana state page for a full comparison of water systems.