TapSafetyReport
D38/100

MOUNTAIN WATER COMPANY — Water Quality Report 2026

Serving 2,400 people · Vermont

Water Source
Surface Water
County
—
System ID
VT0005281
Violations
42

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
2.70 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.040 mg/L0.015 mg/LOver Limit

EPA Violation History

8

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2024 – March 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2024 – March 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2024 – March 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2024 – March 31, 2024Enforcement: 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: January 1, 2023 – December 19, 2023Rule: Ground Water 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 MOUNTAIN WATER COMPANY

Is MOUNTAIN WATER COMPANY water safe to drink?

MOUNTAIN WATER COMPANY water receives a grade of D (38/100), which is considered poor. 2 contaminant(s) exceed EPA legal limits and 42 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MOUNTAIN WATER COMPANY detected?

2 contaminants were tested in MOUNTAIN WATER COMPANY's water. Notable contaminants include Lead (90th percentile), Copper (90th percentile). 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does MOUNTAIN WATER COMPANY have any EPA violations?

Yes, MOUNTAIN WATER COMPANY has 42 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 1 are health-based violations.

How many people does MOUNTAIN WATER COMPANY serve?

MOUNTAIN WATER COMPANY serves approximately 2,400 people, Vermont. The system provides water to 1 community: Warren.

What type of water does MOUNTAIN WATER COMPANY provide?

MOUNTAIN WATER COMPANY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is VT0005281.

How does MOUNTAIN WATER COMPANY compare to other utilities in Vermont?

MOUNTAIN WATER COMPANY scores 38/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Vermont state page for a full comparison of water systems.

Cities Served

Warren