WaterVerge

Is Brewster, MN Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

506 residents served 1 water system PWSID: MN1530003
Overall Score
91.4 / 100
Violations
1 active
Last Updated
May 2026
Source
Purchased ground water
#171 of 466 in Minnesota Top 11% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.4/100
waterverge.com
A 91.4/100

Brewster, MN — Water Quality Report

Brewster's drinking water received a grade of A (91.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 506 residents using purchased ground water.

Lead levels were measured at 3.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 4 violations on record, including 0 health-based violations. 1 remains unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Brewster's water

Brewster ranks #171 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

Brewster purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Brewster may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Brewster, MN water safe to drink?

Use Caution

Brewster's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 506 residents using groundwater (wells).

1
Active Violations
3.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Brewster

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Brewster's water quality assessment. Grade: A (91.4/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4797). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4442). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Chlorine, Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Brewster's water supply.

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Brewster's water system has 4 total violations on record, including 0 health-based violations. 1 remain unresolved.

MRMON
Most recent violations:
Oct 2016 Chlorine Resolved
Oct 2016 Revised Total Coliform Rule Resolved
Jul 1991 Coliform (TCR) Resolved

Flood & environmental risk

Nobles County has experienced 8 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4797
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4442
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4390

Where does Brewster's water come from?

Brewster's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 506 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Brewster residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Brewster's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

4
Total violations
0
Health-based
1
Active / unresolved
Oct 2016
Most recent violation
Compliance Record

Violations & advisories

4 Total
1 Active
0 Health-based
3 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Revised Total Coliform Rule
1
Total Coliform Rule
1
Active
Compliance Violation
Monitoring 0
Oct 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Oct 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2016
Jul 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1991
Industrial pollution

Top industrial polluters within 10 miles of Brewster

Industrial polluters nearby

Reported releases to surface water by facilities near Brewster, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
MINNESOTA SOYBEAN PROCESSORS
Food · NA
BREWSTER, MN56119
3.8 mi
INTERVET INC.
Chemicals · MERCK & CO INC
WORTHINGTON, MN56187
9.0 mi
JBS USA FOOD CO
Food · JBS USA FOOD CO
WORTHINGTON, MN56187
6.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Nobles County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14.2%
Months in D2+ (last 30y)
2
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

8
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Nobles County has experienced 8 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2024
SEVERE STORMS AND FLOODING
Flood FEMA #4797
Jun 2019
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4442
Sep 2018
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4390
Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
May 2001
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA #1370

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 2020 (8.0 ppb) to 2023 (3.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
506
Water Systems
1
Water Source

Where Brewster's water comes from

Purchased Groundwater

Brewster purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Brewster's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 506 people through 1 water system.

Infrastructure

Water systems serving Brewster

System Name PWSID Population Source
Brewster MN1530003 506 GWP
Regional Comparison

How Brewster compares

Full Minnesota rankings →

Brewster's score of 91.4/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Brewster (this city)
91.4
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Brewster, MN

Wikipedia →

Brewster is a city in Nobles County, Minnesota, United States. The population was 506 at the 2020 census.

Economic Profile
$55,481
Median Income
$126,048
Median Home Value
$672/mo
Median Rent
5%
Unemployment
Community
41.1
Median Age
150
People / sq mi
8%
College Educated
78.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Brewster, MN tap water safe to drink?

Brewster's water quality earned a grade of A (91.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #171 out of 466 cities tested in Minnesota.

What contaminants are in Brewster's water?

Lead was measured at 3.0 ppb (90th percentile). 4 violations are on record.

How is Brewster's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Brewster?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Brewster's water come from?

Brewster's water is sourced from Purchased ground water. The city has 1 water system serving approximately 506 residents.

Is Brewster's groundwater at risk of contamination?

Brewster uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 4 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Brewster's water compare to other cities?

Brewster ranks #171 out of 466 cities in Minnesota (better than 63% of state cities) and #1740 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Brewster's small water system affect quality?

Brewster's system serves approximately 506 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 4 violations on record.