WaterVerge

Is Bristol, WI Tap Water Safe to Drink?

Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 4 water systems PWSID: WI2300767
Overall Score
77.8 / 100
Violations
26 active
Last Updated
May 2026
Source
Purchased surface water
#290 of 446 in Wisconsin Top 57% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.8/100
waterverge.com
B 77.8/100

Bristol, WI — Water Quality Report

Bristol's drinking water received a grade of B (77.8 out of 100), indicating good water quality. The city's 4 water systems serve approximately 1,976 residents using purchased surface water.

Lead levels were measured at 0.7 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 154 violations on record, including 10 health-based violations. 26 remain unresolved.

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

What to know about Bristol's water

Bristol ranks #290 out of 446 cities in Wisconsin for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

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

Quality Breakdown

Water quality score

See methodology →
77.8 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.8/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Bristol, WI water safe to drink?

Concerns Identified

Bristol's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,976 residents using surface water (rivers, lakes, or reservoirs).

26
Active Violations
0.7 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Bristol

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bristol's water quality assessment. Grade: B (77.8/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
SEVERE WINTER STORM AND FLOODING

Federal disaster declaration (FEMA DR-4477). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Key contaminant findings

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

Lead Within Limits
Detected: 0.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.10 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Bristol's water system has 154 total violations on record, including 10 health-based violations. 26 remain unresolved. 2 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Jan 2023 TTHM Resolved
Jan 2023 Total Haloacetic Acids (HAA5) Resolved
Jan 2016 Lead and Copper Rule Open
Jan 2013 Lead and Copper Rule Open
Jan 2012 Lead and Copper Rule Open

Flood & environmental risk

Kenosha County has experienced 4 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 Des Plaines River, Mill Creek, Channel Lake, Fox Lake.

SEVERE WINTER STORM AND FLOODING
Flood FEMA DR-4477
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3249
SEVERE STORMS & FLOODING
Flood FEMA DR-775

Where does Bristol's water come from?

Bristol's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 1,976 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Des Plaines River (river), Mill Creek (river), Channel Lake (lake), Fox Lake (lake).

What Bristol residents can do

Install a water filter

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

Monitor alerts during storms

Bristol'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
0.7 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.10 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

154
Total violations
10
Health-based
26
Active / unresolved
Jan 2023
Most recent violation
Compliance Record

Violations & advisories

154 Total
26 Active
10 Health-based
128 Resolved
Violations by category
Synthetic Organic Chemicals
48
Total Coliform Rule
24
Volatile Organic Chemicals
21
Radionuclides and Revised Rad Rule
15
Consumer Confidence Rule
10
Jan 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2009 Active
Public Notice
Other Violation 0
Jul 2008 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Mar 2005 Active
Public Notice
Other Violation 0
Oct 2004 Active
Consumer Confidence Rule
Other Violation 0
Mar 2004 Active
Public Notice
Other Violation 0
Oct 2003 Active
Public Notice
Other Violation 0
Oct 2003 Active
Public Notice
Other Violation 0
Oct 2003 Active
Public Notice
Other Violation 0
Oct 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Public Notice
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Oct 2000 Active
Consumer Confidence Rule
Other Violation 0
Oct 2000 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 154 violations
Industrial pollution

Top industrial polluters within 10 miles of Bristol

Industrial polluters nearby

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

Total reported releases to surface water: 500 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
KENOSHA STEEL CASTINGS
Primary Metals · NA
KENOSHA, WI53142
Chromium5008.7 mi
OLDCASTLE PRECAST INC
Nonmetallic Mineral Product · CRH AMERICAS INC
KENOSHA, WI53142
Lead compounds06.4 mi
OCEAN SPRAY CRANBERRIES INC
Food · OCEAN SPRAY CRANBERRIES INC
KENOSHA, WI53142
6.9 mi
ALUDYNE N.A. LLC - PLEASANT PRAIRIE
Primary Metals · ALUDYNE INC
PLEASANT PRAIRIE, WI53158
5.3 mi
SANMINA-SCI CORP PLANT E20/1520
Computers and Electronic Products · SANMINA CORP
PLEASANT PRAIRIE, WI53158
5.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Bristol

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

4
Declared disasters
Mar 2020
Most recent
Flood
Most common type

Kenosha County has experienced 4 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2020
SEVERE WINTER STORM AND FLOODING
Flood FEMA #4477
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3249
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #775
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #376

Recommended water filters

Based on contaminants detected in Bristol's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.7 15 ppb Inorganic Safe
Copper (90th percentile) 2.10 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 8.0 ppb from 1993 (8.0 ppb) to 2024 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 2.100 mg/L (2008)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,976
Water Systems
4
Source breakdown
Groundwater
3
Purchased Surface Water
1
Water Source

Where Bristol's water comes from

Purchased Surface Water

Bristol's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,976 people through 4 water systems.

Local Hydrology

Water bodies near Bristol

Bristol is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Des Plaines River
river
Mill Creek
river
Channel Lake
lake
Fox Lake
lake
Infrastructure

Water systems serving Bristol

System Name PWSID Population Source
BRISTOL VILLAGE OF EAST WI2300767 1,001 SWP
BRISTOL WATERWORKS VILLAGE OF WI2300050 598 GW
RAINBOW LAKE MANOR MHP WI2300166 350 GW
BRISTOL HEIGHTS MHP WI2300106 27 GW
Regional Comparison

How Bristol compares

Full Wisconsin rankings →

Bristol's score of 77.8/100 is above the average of 65/100 among major Wisconsin cities. It outscores 6 of 10 nearby cities.

Bristol (this city)
77.8
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Bristol, WI

Economic Profile
$103,652
Median Income
$302,526
Median Home Value
$1,345/mo
Median Rent
7.9%
Unemployment
Community
45.8
Median Age
61
People / sq mi
32.3%
College Educated
84.8%
Homeownership
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Frequently asked questions

Is Bristol, WI tap water safe to drink?

Bristol's water quality earned a grade of B (77.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #290 out of 446 cities tested in Wisconsin.

What contaminants are in Bristol's water?

Lead was measured at 0.7 ppb (90th percentile). 154 violations are on record.

How is Bristol'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 Bristol?

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

Where does Bristol's water come from?

Bristol's water is sourced from Purchased surface water. The city has 4 water systems serving approximately 1,976 residents.

What health violations has Bristol's water system had?

Bristol has 10 health-based violations on record. The most recent violation was recorded in January 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 26 violations remain unresolved.

How does Bristol's water compare to other cities?

Bristol ranks #290 out of 446 cities in Wisconsin (better than 35% of state cities) and #8887 out of 15744 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.