TapSafetyReport
F0/100

GRANTVILLE MHP — Water Quality Report 2026

Serving 1,040 people · Michigan

Water Source
Groundwater
County
—
System ID
PA7220057
Violations
183

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.024 mg/L0.015 mg/LOver Limit

EPA Violation History

4

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Violation related to Consumer Confidence Report

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: August 1, 2024 – August 31, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
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, 2022 – April 25, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Violation related to Consumer Confidence Report

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2022 – September 30, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 1, 2021 – May 31, 2021Rule: Total Coliform 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 GRANTVILLE MHP

Is GRANTVILLE MHP water safe to drink?

GRANTVILLE MHP water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 183 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has GRANTVILLE MHP detected?

1 contaminants were tested in GRANTVILLE MHP's water. Notable contaminants include Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does GRANTVILLE MHP have any EPA violations?

Yes, GRANTVILLE MHP has 183 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MON, Other.

How many people does GRANTVILLE MHP serve?

GRANTVILLE MHP serves approximately 1,040 people, Michigan.

What type of water does GRANTVILLE MHP provide?

GRANTVILLE MHP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is PA7220057.

How does GRANTVILLE MHP compare to other utilities in Michigan?

GRANTVILLE MHP scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Michigan state page for a full comparison of water systems.