TapSafetyReport

B65/100

BREWSTER WATER DEPARTMENT — Water Quality Report 2026

Serving 35,000 people · Massachusetts

Water Source

Groundwater

County

—

System ID

MA4041000

Violations

28

Contaminant Test Results

1 contaminant above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Lead (90th percentile)	0.003 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

24

Violations (last 5yr)

24

Unresolved

0

Health-Related

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2024Rule: Revised Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

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, 2023 – September 30, 2023Enforcement: Formal — state order issuedVerify 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 BREWSTER WATER DEPARTMENT

Is BREWSTER WATER DEPARTMENT water safe to drink?

BREWSTER WATER DEPARTMENT water receives a grade of B (65/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has BREWSTER WATER DEPARTMENT detected?

66 contaminants were tested in BREWSTER WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does BREWSTER WATER DEPARTMENT have any EPA violations?

Yes, BREWSTER WATER DEPARTMENT has 28 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 1 are health-based violations.

How many people does BREWSTER WATER DEPARTMENT serve?

BREWSTER WATER DEPARTMENT serves approximately 35,000 people, Massachusetts. The system provides water to 1 community: Brewster.

What type of water does BREWSTER WATER DEPARTMENT provide?

BREWSTER WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA4041000.

How does BREWSTER WATER DEPARTMENT compare to other utilities in Massachusetts?

BREWSTER WATER DEPARTMENT scores 65/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Massachusetts state page for a full comparison of water systems.

Cities Served