WaterVerge

Is Wrightstown, WI Tap Water Safe to Drink?

Graded B — but Copper, Strontium and 1 more were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

4K residents served 1 water system PWSID: WI4050464
Overall Score
78.3 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#286 of 446 in Wisconsin Top 56% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.3/100
waterverge.com
B 78.3/100

Wrightstown, WI — Water Quality Report

Wrightstown's drinking water received a grade of B (78.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,815 residents using purchased surface water.

Lead levels were measured at 0.0 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 8 violations on record, including 4 health-based violations. 4 remain unresolved.

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

What to know about Wrightstown's water

Wrightstown ranks #286 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.

Quality Breakdown

Water quality score

See methodology →
78.3 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.4/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
15.9/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Wrightstown, WI water safe to drink?

Concerns Identified

Wrightstown's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,815 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Wrightstown

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Wrightstown's water quality assessment. Grade: B (78.3/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Lead and Copper Rule, Revised Total Coliform 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 & 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 Wrightstown's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.57 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

Wrightstown's water system has 8 total violations on record, including 4 health-based violations. 4 remain unresolved. 1 violation was issued in the last 5 years.

TTMRMONMCL
Most recent violations:
Oct 2023 Lead and Copper Rule Open
Jan 2019 Lead and Copper Rule Open
Jan 2019 Revised Total Coliform Rule Resolved
Jun 1998 Coliform (TCR) Resolved
Jan 1997 Lead and Copper Rule Open

Flood & environmental risk

Brown 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 Fox R, Fox River, Ashwaubenon Creek, Dutchman Creek, East River @ Cnty Trunk Highway Zz Nr Greenleaf,Wi.

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

Where does Wrightstown's water come from?

Wrightstown's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,815 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Fox R (river), Fox River (river), Ashwaubenon Creek (river), Dutchman Creek (river), East River @ Cnty Trunk Highway Zz Nr Greenleaf,Wi (river).

What Wrightstown residents can do

Install a water filter

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

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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.57 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Strontium
Inorganic
Over HRL
21029.8 µg/L
EPA Health Ref Level: 1,500 µg/L · +20% over limit
Over HRLUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
319.9 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
Molybdenum
Inorganic
Detected
4.42 µg/L
EPA Lifetime HA: 40 µg/L · 11% of limit
DetectedUCMR 3 Data
Compliance Record

Violation summary

8
Total violations
4
Health-based
4
Active / unresolved
Oct 2023
Most recent violation
Compliance Record

Violations & advisories

8 Total
4 Active
4 Health-based
4 Resolved
Violations by category
Lead and Copper Rule
3
Inorganic Chemicals
2
Revised Total Coliform Rule
1
Total Coliform Rule
1
Oct 2023 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1997 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Jan 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2019
Jun 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1998
Oct 1983 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Oct 1978 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Oct 1979
Industrial pollution

Top industrial polluters within 10 miles of Wrightstown

Industrial polluters nearby

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

Total reported releases to surface water: 52,599 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
AHLSTROM NA SPECIALTY SOLUTIONS LLC
Paper · AHLSTROM USA INC
KAUKAUNA, WI54130
Manganese And Manganese Compounds24,2205.4 mi
BELGIOIOSO CHEESE - FREEDOM PLANT
Food · BELGIOIOSO CHEESE INC
APPLETON, WI54913
Nitrate compounds (water dissociable; reportable only when in aqueous solution)19,9617.7 mi
MCKINLEY PAPER & PACKAGING CO
Paper · BIO PAPPEL
COMBINED LOCKS, WI54113
Ammonia8,3917.4 mi
LUVATA APPLETON LLC
Primary Metals · LUVATA NORTH AMERICA INC
KIMBERLY, WI54136
Zinc compounds259.7 mi
ROLOFF MANUFACTURING CORP
Primary Metals · NA
KAUKAUNA, WI54130
Lead25.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Wrightstown

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

Brown 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

Recommended water filters

Based on contaminants detected in Wrightstown'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) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.57 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 0.6 ppb from 1993 (0.6 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.570 mg/L (1996)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,815
Water Systems
1
Water Source

Where Wrightstown's water comes from

Purchased Surface Water

Wrightstown'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 3,815 people through 1 water system.

Local Hydrology

Water bodies near Wrightstown

Wrightstown is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Fox R
river
Fox River
river
Ashwaubenon Creek
river
Dutchman Creek
river
East River @ Cnty Trunk Highway Zz Nr Greenleaf,Wi
river
Infrastructure

Water systems serving Wrightstown

System Name PWSID Population Source
WRIGHTSTOWN WATERWORKS WI4050464 3,815 SWP
Regional Comparison

How Wrightstown compares

Full Wisconsin rankings →

Wrightstown's score of 78.3/100 is above the average of 65/100 among major Wisconsin cities. It outscores 6 of 10 nearby cities.

Wrightstown (this city)
78.3
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About Wrightstown, WI

Economic Profile
$89,196
Median Income
$236,648
Median Home Value
$1,166/mo
Median Rent
1.2%
Unemployment
Community
35.6
Median Age
276
People / sq mi
43.1%
College Educated
76.7%
Homeownership
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Frequently asked questions

Is Wrightstown, WI tap water safe to drink?

Wrightstown's water quality earned a grade of B (78.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #286 out of 446 cities tested in Wisconsin.

What contaminants are in Wrightstown's water?

Lead was measured at 0.0 ppb (90th percentile). 8 violations are on record.

How is Wrightstown'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 Wrightstown?

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

Where does Wrightstown's water come from?

Wrightstown's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,815 residents.

What health violations has Wrightstown's water system had?

Wrightstown has 4 health-based violations on record. The most recent violation was recorded in October 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Wrightstown's water compare to other cities?

Wrightstown ranks #286 out of 446 cities in Wisconsin (better than 36% of state cities) and #8717 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.