A100/100
BAY CO. DEPT OF WATER & SEWER — Water Quality Report 2026
Serving 8,465 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0000485
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 BAY CO. DEPT OF WATER & SEWER
Is BAY CO. DEPT OF WATER & SEWER water safe to drink?
BAY CO. DEPT OF WATER & SEWER water receives a grade of A (100/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BAY CO. DEPT OF WATER & SEWER detected?
31 contaminants were tested in BAY CO. DEPT OF WATER & SEWER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BAY CO. DEPT OF WATER & SEWER have any EPA violations?
No, BAY CO. DEPT OF WATER & SEWER has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does BAY CO. DEPT OF WATER & SEWER serve?
BAY CO. DEPT OF WATER & SEWER serves approximately 8,465 people, Michigan.
What type of water does BAY CO. DEPT OF WATER & SEWER provide?
BAY CO. DEPT OF WATER & SEWER 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 MI0000485.
How does BAY CO. DEPT OF WATER & SEWER compare to other utilities in Michigan?
BAY CO. DEPT OF WATER & SEWER scores 100/100 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.