WaterVerge

Is Pleasant Prairie, WI Tap Water Safe to Drink?

Graded B+, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

11K residents served 1 water system PWSID: WI2300167
Overall Score
82.2 / 100
Violations
9 active
Last Updated
May 2026
Source
Purchased surface water
#223 of 446 in Wisconsin Top 45% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.2/100
waterverge.com
B+ 82.2/100

Pleasant Prairie, WI — Water Quality Report

Pleasant Prairie's drinking water received a grade of B+ (82.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 10,754 residents using purchased surface water.

Lead levels were measured at 0.9 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 25 violations on record, including 7 health-based violations. 9 remain unresolved.

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

What to know about Pleasant Prairie's water

Pleasant Prairie ranks #223 out of 446 cities in Wisconsin for water quality, placing it mid-range 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.

Quality Breakdown

Water quality score

See methodology →
82.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.9 ppb (90th percentile).
Contaminants
18.8/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Pleasant Prairie, WI water safe to drink?

Concerns Identified

Pleasant Prairie's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 10,754 residents using surface water (rivers, lakes, or reservoirs).

9
Active Violations
0.9 ppb
Lead (90th %ile)
None
PFAS Detected
4 events
Disaster History

Recent water quality updates for Pleasant Prairie

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pleasant Prairie's water quality assessment. Grade: B+ (82.2/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
2 drinking water violations recorded

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

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE WINTER STORM AND FLOODING

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

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 Pleasant Prairie's water supply.

Lead Within Limits
Detected: 0.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Pleasant Prairie's water system has 25 total violations on record, including 7 health-based violations. 9 remain unresolved. 4 violations were issued in the last 5 years.

RPTTTOtherMRMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 Public Notice Open
Feb 2021 Lead and Copper Rule Open
Jul 2013 TTHM Resolved

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 Pike River, Des Plaines River, Mill Creek.

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 Pleasant Prairie's water come from?

Pleasant Prairie's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 10,754 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Pike River (river), Des Plaines River (river), Mill Creek (river).

What Pleasant Prairie residents can do

Install a water filter

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

Pleasant Prairie'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
0.9 ppb
EPA Action Level: 15 ppb · 6% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
16.7 µg/L
EPA MCL: 60 µg/L · 28% of limit
Within LimitUCMR 4 DataHAA6Br: 11.9 µg/LHAA9: 27.1 µg/L
Manganese
Inorganic
Detected
2.0 µg/L
EPA Secondary MCL: 50 µg/L · 4% of limit
DetectedUCMR 4 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

25
Total violations
7
Health-based
9
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

25 Total
9 Active
7 Health-based
16 Resolved
Violations by category
Total Coliform Rule
9
Radionuclides and Revised Rad Rule
4
Consumer Confidence Rule
3
Lead and Copper Rule Revisions
2
Lead and Copper Rule
2
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Public Notice
Other Violation 0
Feb 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 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
Active
Compliance Violation
Monitoring 0
Jul 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Jul 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Jun 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2012
May 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2012
Apr 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Dec 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2001
Nov 1994 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1994
Oct 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1994
Sep 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1994
Aug 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1994
Jul 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1994
Showing 20 of 25 violations
Industrial pollution

Top industrial polluters within 10 miles of Pleasant Prairie

Industrial polluters nearby

Reported releases to surface water by facilities near Pleasant Prairie, 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
Chromium5003.9 mi
OLDCASTLE PRECAST INC
Nonmetallic Mineral Product · CRH AMERICAS INC
KENOSHA, WI53142
Lead compounds02.3 mi
OCEAN SPRAY CRANBERRIES INC
Food · OCEAN SPRAY CRANBERRIES INC
KENOSHA, WI53142
2.5 mi
ALUDYNE N.A. LLC - PLEASANT PRAIRIE
Primary Metals · ALUDYNE INC
PLEASANT PRAIRIE, WI53158
0.8 mi
SANMINA-SCI CORP PLANT E20/1520
Computers and Electronic Products · SANMINA CORP
PLEASANT PRAIRIE, WI53158
1.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Pleasant Prairie

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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.9 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.1 ppb from 1993 (6.0 ppb) to 2023 (0.9 ppb).
Contaminant Rankings

See how Pleasant Prairie compares by contaminant

Explore where Pleasant Prairie ranks among all Wisconsin cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
10,754
Water Systems
1
Water Source

Where Pleasant Prairie's water comes from

Purchased Surface Water

Pleasant Prairie'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 10,754 people through 1 water system.

Local Hydrology

Water bodies near Pleasant Prairie

Pleasant Prairie is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Pike River
river
Des Plaines River
river
Mill Creek
river
Infrastructure

Water systems serving Pleasant Prairie

System Name PWSID Population Source
PLEASANT PRAIRIE WATER UTILITY WI2300167 10,754 SWP
Regional Comparison

How Pleasant Prairie compares

Full Wisconsin rankings →

Pleasant Prairie's score of 82.2/100 is above the average of 65/100 among major Wisconsin cities. It outscores 7 of 10 nearby cities.

Pleasant Prairie (this city)
82.2
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Pleasant Prairie, WI

Economic Profile
$99,635
Median Income
$315,365
Median Home Value
$1,400/mo
Median Rent
4.7%
Unemployment
Community
43.1
Median Age
247
People / sq mi
39.3%
College Educated
78.8%
Homeownership
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Frequently asked questions

Is Pleasant Prairie, WI tap water safe to drink?

Pleasant Prairie's water quality earned a grade of B+ (82.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #223 out of 446 cities tested in Wisconsin.

What contaminants are in Pleasant Prairie's water?

Lead was measured at 0.9 ppb (90th percentile). No PFAS compounds were detected. 25 violations are on record.

How is Pleasant Prairie'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 Pleasant Prairie?

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

Where does Pleasant Prairie's water come from?

Pleasant Prairie's water is sourced from Purchased surface water. The city has 1 water system serving approximately 10,754 residents.

What health violations has Pleasant Prairie's water system had?

Pleasant Prairie has 7 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

How does Pleasant Prairie's water compare to other cities?

Pleasant Prairie ranks #223 out of 446 cities in Wisconsin (better than 50% of state cities) and #7103 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.