A92/100
LOCH ALPINE SANITARY AUTHORITY — Water Quality Report 2026
Serving 1,506 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0003940
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – May 6, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 LOCH ALPINE SANITARY AUTHORITY
Is LOCH ALPINE SANITARY AUTHORITY water safe to drink?
LOCH ALPINE SANITARY AUTHORITY water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LOCH ALPINE SANITARY AUTHORITY detected?
1 contaminants were tested in LOCH ALPINE SANITARY AUTHORITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LOCH ALPINE SANITARY AUTHORITY have any EPA violations?
Yes, LOCH ALPINE SANITARY AUTHORITY has 5 EPA violation(s) on record, with the most recent in 2023. Violation types include MR.
How many people does LOCH ALPINE SANITARY AUTHORITY serve?
LOCH ALPINE SANITARY AUTHORITY serves approximately 1,506 people, Michigan. The system provides water to 1 community: Ann Arbor.
What type of water does LOCH ALPINE SANITARY AUTHORITY provide?
LOCH ALPINE SANITARY AUTHORITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0003940.
How does LOCH ALPINE SANITARY AUTHORITY compare to other utilities in Michigan?
LOCH ALPINE SANITARY AUTHORITY scores 92/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Michigan state page for a full comparison of water systems.