A96/100
ROYAL OAK TOWNSHIP — Water Quality Report 2026
Serving 1,864 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0005840
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – December 31, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 ROYAL OAK TOWNSHIP
Is ROYAL OAK TOWNSHIP water safe to drink?
ROYAL OAK TOWNSHIP water receives a grade of A (96/100), 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 ROYAL OAK TOWNSHIP detected?
1 contaminants were tested in ROYAL OAK TOWNSHIP's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROYAL OAK TOWNSHIP have any EPA violations?
Yes, ROYAL OAK TOWNSHIP has 1 EPA violation(s) on record, with the most recent in 2025. Violation types include MR.
How many people does ROYAL OAK TOWNSHIP serve?
ROYAL OAK TOWNSHIP serves approximately 1,864 people, Michigan.
What type of water does ROYAL OAK TOWNSHIP provide?
ROYAL OAK TOWNSHIP 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 MI0005840.
How does ROYAL OAK TOWNSHIP compare to other utilities in Michigan?
ROYAL OAK TOWNSHIP scores 96/100 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.