B69/100
ROCKVALE MHP — Water Quality Report 2026
Serving 1,200 people · Michigan
Water Source
Groundwater
County
—
System ID
WI1540126
Violations
8
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
Full EPA compliance since 2010.
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 ROCKVALE MHP
Is ROCKVALE MHP water safe to drink?
ROCKVALE MHP water receives a grade of B (69/100), which is considered good. 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 ROCKVALE MHP detected?
1 contaminants were tested in ROCKVALE MHP's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROCKVALE MHP have any EPA violations?
Yes, ROCKVALE MHP has 8 EPA violation(s) on record, with the most recent in 2010. Violation types include MCL, MR. 5 are health-based violations.
How many people does ROCKVALE MHP serve?
ROCKVALE MHP serves approximately 1,200 people, Michigan. The system provides water to 1 community: Janesville.
What type of water does ROCKVALE MHP provide?
ROCKVALE MHP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1540126.
How does ROCKVALE MHP compare to other utilities in Michigan?
ROCKVALE MHP scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.