A100/100
SOUTHWEST MICHIGAN REGIONAL SANITARY SEW — Water Quality Report 2026
Serving 26,780 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0003726
Violations
0
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
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 SOUTHWEST MICHIGAN REGIONAL SANITARY SEW
Is SOUTHWEST MICHIGAN REGIONAL SANITARY SEW water safe to drink?
SOUTHWEST MICHIGAN REGIONAL SANITARY SEW water receives a grade of A (100/100), 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 SOUTHWEST MICHIGAN REGIONAL SANITARY SEW detected?
69 contaminants were tested in SOUTHWEST MICHIGAN REGIONAL SANITARY SEW's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SOUTHWEST MICHIGAN REGIONAL SANITARY SEW have any EPA violations?
No, SOUTHWEST MICHIGAN REGIONAL SANITARY SEW has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does SOUTHWEST MICHIGAN REGIONAL SANITARY SEW serve?
SOUTHWEST MICHIGAN REGIONAL SANITARY SEW serves approximately 26,780 people, Michigan.
What type of water does SOUTHWEST MICHIGAN REGIONAL SANITARY SEW provide?
SOUTHWEST MICHIGAN REGIONAL SANITARY SEW 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 MI0003726.
How does SOUTHWEST MICHIGAN REGIONAL SANITARY SEW compare to other utilities in Michigan?
SOUTHWEST MICHIGAN REGIONAL SANITARY SEW 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.