WaterVerge

Is Stratford, WI Tap Water Safe to Drink?

Graded B+, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: WI7370168
Overall Score
83.9 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#192 of 446 in Wisconsin Top 39% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.9/100
waterverge.com
B+ 83.9/100

Stratford, WI — Water Quality Report

Stratford's drinking water received a grade of B+ (83.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,643 residents using groundwater.

Lead levels were measured at 3.3 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 38 violations on record, including 2 health-based violations. 5 remain unresolved.

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

What to know about Stratford's water

Stratford ranks #192 out of 446 cities in Wisconsin for water quality, placing it mid-range in the state.

Stratford relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
83.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Stratford, WI water safe to drink?

Concerns Identified

Stratford's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,643 residents using groundwater (wells).

5
Active Violations
3.3 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Stratford

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Stratford's water quality assessment. Grade: B+ (83.9/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, Public Notice.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
26 drinking water violations recorded

Contaminants: 1,1,2-Trichloroethane, Tetrachloroethylene, Gross Alpha, Excl. Radon and U.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3249). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-376). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 3.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Stratford's water system has 38 total violations on record, including 2 health-based violations. 5 remain unresolved. 4 violations were issued in the last 5 years.

TTOtherMR
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 Public Notice Open
Jan 2023 TTHM Resolved
Jan 2023 Total Haloacetic Acids (HAA5) Resolved
Apr 2008 1,1,2-Trichloroethane Resolved

Flood & environmental risk

Marathon County has experienced 2 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Big Eau Pleine River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3249
SEVERE STORMS & FLOODING
Flood FEMA DR-376

Where does Stratford's water come from?

Stratford's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,643 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Eau Pleine River (river).

What Stratford residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Stratford's water.

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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
3.3 ppb
EPA Action Level: 15 ppb · 22% of limit
Safe Level
Compliance Record

Violation summary

38
Total violations
2
Health-based
5
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

38 Total
5 Active
2 Health-based
33 Resolved
Violations by category
Volatile Organic Chemicals
21
Radionuclides and Revised Rad Rule
5
Total Coliform Rule
4
Public Notice Rule and Revised PN Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Public Notice
Other Violation 0
Jan 2004 Active
Public Notice
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Apr 2008 Resolved
1,1,2-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Tetrachloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
trans-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Vinyl chloride
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Xylenes, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Showing 20 of 38 violations
Industrial pollution

Top industrial polluters within 10 miles of Stratford

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
MULLINS CHEESE INC
Food · MULLINS CHEESE INC
MARSHFIELD, WI54449
4.0 mi
A&B PROCESS SYSTEMS
Fabricated Metals · JBT CORP
STRATFORD, WI54484
0.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Stratford

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Marathon County has experienced 2 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3249
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #376

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.3 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 7.7 ppb from 1993 (11.0 ppb) to 2023 (3.3 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,643
Water Systems
1
Water Source

Where Stratford's water comes from

Groundwater

Stratford's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 1,643 people through 1 water system.

Local Hydrology

Water bodies near Stratford

Stratford is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Big Eau Pleine River
river
Infrastructure

Water systems serving Stratford

System Name PWSID Population Source
STRATFORD WATERWORKS WI7370168 1,643 GW
Regional Comparison

How Stratford compares

Full Wisconsin rankings →

Stratford's score of 83.9/100 is above the average of 65/100 among major Wisconsin cities. It outscores 8 of 10 nearby cities.

Stratford (this city)
83.9
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Stratford, WI

Wikipedia →

Stratford is a village in Marathon County, Wisconsin, United States. It is part of the Wausau, Wisconsin Metropolitan Statistical Area. The population was 1,581 at the 2020 census.

Economic Profile
$63,646
Median Income
$183,831
Median Home Value
$867/mo
Median Rent
1.8%
Unemployment
Community
44.3
Median Age
99
People / sq mi
21.5%
College Educated
76%
Homeownership
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Frequently asked questions

Is Stratford, WI tap water safe to drink?

Stratford's water quality earned a grade of B+ (83.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #192 out of 446 cities tested in Wisconsin.

What contaminants are in Stratford's water?

Lead was measured at 3.3 ppb (90th percentile). 38 violations are on record.

How is Stratford'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 Stratford?

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

Where does Stratford's water come from?

Stratford's water is sourced from Groundwater. The city has 1 water system serving approximately 1,643 residents.

What health violations has Stratford's water system had?

Stratford has 2 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Stratford's groundwater at risk of contamination?

Stratford 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 38 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 Stratford's water compare to other cities?

Stratford ranks #192 out of 446 cities in Wisconsin (better than 57% of state cities) and #6187 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Stratford's small water system affect quality?

Stratford's system serves approximately 1,643 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 38 violations on record.