WaterVerge

Is Valders, 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 ↓

954 residents served 1 water system PWSID: WI4360437
Overall Score
87.2 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#129 of 446 in Wisconsin Top 27% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.2/100
waterverge.com
A- 87.2/100

Valders, WI — Water Quality Report

Valders's drinking water received a grade of A- (87.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 954 residents using groundwater.

Lead levels were measured at 6.8 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 5 violations on record, including 3 health-based violations. 2 remain unresolved.

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

What to know about Valders's water

Valders ranks #129 out of 446 cities in Wisconsin for water quality, placing it mid-range in the state.

Valders 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Quality Breakdown

Water quality score

See methodology →
87.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 6.8 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: Groundwater.
Water Safety

Is Valders, WI water safe to drink?

Use Caution

Valders's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 954 residents using groundwater (wells).

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

Recent water quality updates for Valders

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Valders's water quality assessment. Grade: A- (87.2/100).

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

1 health-based. Contaminants: Nitrate.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate.

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 Valders's water supply.

Lead Elevated
Detected: 6.8 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Valders's water system has 5 total violations on record, including 3 health-based violations. 2 remain unresolved.

MRMCL
Most recent violations:
Jan 2012 Lead and Copper Rule Open
Apr 2001 Nitrate Resolved
Jan 2001 Nitrate Resolved
Nov 1994 Coliform (TCR) Resolved

Flood & environmental risk

Manitowoc County has experienced 3 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3249
SEVERE STORMS, ICING, WIND & FLOODING
Flood FEMA DR-496
SEVERE STORMS & FLOODING
Flood FEMA DR-376

Where does Valders's water come from?

Valders's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 954 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Valders 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.

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.

Monitor alerts during storms

Valders'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
6.8 ppb
EPA Action Level: 15 ppb · 45% of limit
Safe Level
Compliance Record

Violation summary

5
Total violations
3
Health-based
2
Active / unresolved
Jan 2012
Most recent violation
Compliance Record

Violations & advisories

5 Total
2 Active
3 Health-based
3 Resolved
Violations by category
Nitrate Rule
2
Lead and Copper Rule
1
Total Coliform Rule
1
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2001 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Jun 2001
Jan 2001 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Mar 2001
Nov 1994 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1994
Industrial pollution

Top industrial polluters within 10 miles of Valders

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
PARKER HANNIFIN CORP PARFLEX DIV
Plastics and Rubber · PARKER HANNIFIN CORP
MANITOWOC, WI54220
8.3 mi
JAGEMANN STAMPING CO
Fabricated Metals · NA
MANITOWOC, WI54220
8.0 mi
MANITOWOC TOOL & MACHINING LLC
Fabricated Metals · NA
MANITOWOC, WI54220
9.3 mi
CNH INDUSTRIAL AMERICA LLC (FORMERLY MILLER ST NAZIANZ)
Machinery · CASE NEW HOLLAND INDUSTRIAL INC
SAINT NAZIANZ, WI54232
4.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Valders

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

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Manitowoc County has experienced 3 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
Mar 1976
SEVERE STORMS, ICING, WIND & FLOODING
Flood FEMA #496
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #376

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 6.8 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 6.8 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 2.2 ppb from 1993 (9.0 ppb) to 2023 (6.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
954
Water Systems
1
Water Source

Where Valders's water comes from

Groundwater

Valders'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 954 people through 1 water system.

Infrastructure

Water systems serving Valders

System Name PWSID Population Source
VALDERS WATERWORKS WI4360437 954 GW
Regional Comparison

How Valders compares

Full Wisconsin rankings →

Valders's score of 87.2/100 is above the average of 65/100 among major Wisconsin cities. It outscores 8 of 10 nearby cities.

Valders (this city)
87.2
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Valders, WI

Economic Profile
$72,000
Median Income
$140,279
Median Home Value
$850/mo
Median Rent
1.3%
Unemployment
Community
38.6
Median Age
236
People / sq mi
17.8%
College Educated
71.3%
Homeownership
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Frequently asked questions

Is Valders, WI tap water safe to drink?

Valders's water quality earned a grade of A- (87.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #129 out of 446 cities tested in Wisconsin.

What contaminants are in Valders's water?

Lead was measured at 6.8 ppb (90th percentile). 5 violations are on record.

How is Valders'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 Valders?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Valders's water come from?

Valders's water is sourced from Groundwater. The city has 1 water system serving approximately 954 residents.

What health violations has Valders's water system had?

Valders has 3 health-based violations on record. The most recent violation was recorded in January 2012. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Valders's groundwater at risk of contamination?

Valders 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 5 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 Valders's water compare to other cities?

Valders ranks #129 out of 446 cities in Wisconsin (better than 71% of state cities) and #4225 out of 15744 cities nationally (73th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Valders's small water system affect quality?

Valders's system serves approximately 954 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 5 violations on record.