WaterVerge

Is Pardeeville, WI Tap Water Safe to Drink?

Graded A, with 2 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: WI1110049
Overall Score
93 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#23 of 446 in Wisconsin Top 7% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93/100
waterverge.com
A 93/100

Pardeeville, WI — Water Quality Report

Pardeeville's drinking water received a grade of A (93 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,151 residents using groundwater.

Lead levels were measured at 1.7 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 14 violations on record, including 5 health-based violations. 2 remain unresolved.

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

What to know about Pardeeville's water

Pardeeville ranks #23 out of 446 cities in Wisconsin for water quality, placing it one of the best in the state.

Pardeeville 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, Pardeeville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
93 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Pardeeville, WI water safe to drink?

Use Caution

Pardeeville's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,151 residents using groundwater (wells).

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

Recent water quality updates for Pardeeville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pardeeville's water quality assessment. Grade: A (93/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform 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.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
SEVERE STORMS, ICING, WIND & FLOODING

Federal disaster declaration (FEMA DR-496). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Pardeeville's water system has 14 total violations on record, including 5 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

MONMRMCL
Most recent violations:
Sep 2021 Revised Total Coliform Rule Resolved
Jan 2018 Lead and Copper Rule Open
Jun 2005 Coliform (TCR) Resolved
Apr 2002 Coliform (TCR) Resolved
Jan 2002 Coliform (TCR) Resolved

Flood & environmental risk

Columbia County has experienced 2 federally declared disasters since 1976. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3249
SEVERE STORMS, ICING, WIND & FLOODING
Flood FEMA DR-496

Where does Pardeeville's water come from?

Pardeeville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,151 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Pardeeville 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.

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
1.7 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

14
Total violations
5
Health-based
2
Active / unresolved
Sep 2021
Most recent violation
Compliance Record

Violations & advisories

14 Total
2 Active
5 Health-based
12 Resolved
Violations by category
Total Coliform Rule
8
Nitrate Rule
2
Revised Total Coliform Rule
1
Lead and Copper Rule
1
Inorganic Chemicals
1
Jan 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Sep 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2021
Jun 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2005
Apr 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2002
Jan 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2002
Jan 2002 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2002
Aug 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2001
Oct 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1998
Nov 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1996
Oct 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1995
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Feb 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1991
Industrial pollution

Top industrial polluters within 10 miles of Pardeeville

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
COLUMBIA ENERGY CENTER
Electric Utilities · ALLIANT ENERGY CORP
PARDEEVILLE, WI53954
6.5 mi
ENCAPSYS LLC
Chemicals · MILLIKEN & CO
PORTAGE, WI53901
9.4 mi
FXI INC. - PORTAGE
Plastics and Rubber · FXI INC
PORTAGE, WI53901
9.9 mi
ENERGIZER MANUFACTURING - PORTAGE PLANT
Electrical Equipment · ENERGIZER HOLDINGS INC
PORTAGE, WI53901
9.4 mi
HENRY G. MEIGS INC.
Petroleum · HERITAGE GROUP
PORTAGE, WI53901
7.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Columbia County has experienced 2 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3249
Mar 1976
SEVERE STORMS, ICING, WIND & FLOODING
Flood FEMA #496

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.7 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 10.3 ppb from 1993 (12.0 ppb) to 2023 (1.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,151
Water Systems
1
Water Source

Where Pardeeville's water comes from

Groundwater

Pardeeville'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 2,151 people through 1 water system.

Infrastructure

Water systems serving Pardeeville

System Name PWSID Population Source
PARDEEVILLE WATERWORKS WI1110049 2,151 GW
Regional Comparison

How Pardeeville compares

Full Wisconsin rankings →

Pardeeville's score of 93/100 is above the average of 65/100 among major Wisconsin cities. It outscores 9 of 10 nearby cities.

Pardeeville (this city)
93
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Pardeeville, WI

Wikipedia →

Pardeeville is a village in Columbia County, Wisconsin, United States. The population was 2,074 at the 2020 census. It is part of the Madison Metropolitan Statistical Area.

Economic Profile
$60,625
Median Income
$196,095
Median Home Value
$846/mo
Median Rent
1.2%
Unemployment
Community
40.1
Median Age
360
People / sq mi
15.5%
College Educated
64%
Homeownership
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Frequently asked questions

Is Pardeeville, WI tap water safe to drink?

Pardeeville's water quality earned a grade of A (93/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #23 out of 446 cities tested in Wisconsin.

What contaminants are in Pardeeville's water?

Lead was measured at 1.7 ppb (90th percentile). 14 violations are on record.

How is Pardeeville'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 Pardeeville?

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

Where does Pardeeville's water come from?

Pardeeville's water is sourced from Groundwater. The city has 1 water system serving approximately 2,151 residents.

What health violations has Pardeeville's water system had?

Pardeeville has 5 health-based violations on record. The most recent violation was recorded in September 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Pardeeville's groundwater at risk of contamination?

Pardeeville 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 14 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 Pardeeville's water compare to other cities?

Pardeeville ranks #23 out of 446 cities in Wisconsin (better than 95% of state cities) and #1012 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Pardeeville's small water system affect quality?

Pardeeville's system serves approximately 2,151 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 14 violations on record.