Health Violations Found WI 1 HEALTH VIOLATION

Mondovi Waterworks

EPA ID: WI6060193 · 2,667 people served · 2 ZIP codes

Records for Mondovi Waterworks show 3 violations over the monitored period, with every finding addressed and officially closed — the provider, which serves approximately 2,667 people, carries no outstanding enforcement actions in the current EPA dataset and meets all applicable drinking water requirements.

Data: EPA SDWIS Last verified: 2026-04-02

C · 55
Avg Safety Score
2,667
People Served
2
ZIP Codes Served
3
Violations (5yr)
Groundwater
Water Source
0.00032 mg/L
Max Lead Level
Zone 1
Radon Risk · High
2
Contaminants Flagged

Service Area Map

Coverage area for Mondovi Waterworks Source: EPA SDWIS service area boundaries.

Service area boundary — Grade C

Service Area Demographics

$66,750
Median Household Income
7,287
Service Area Population
0%
Disadvantaged Population
50th
Poverty Percentile
80th
Energy Burden Percentile
65%
Pre-1986 Housing

The Mondovi Waterworks serves a community with a median household income of $66,750 and an estimated 7,287 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Mondovi Waterworks's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Moderate Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

About 2% of homes in Buffalo County, Wisconsin rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

49 yr
Avg Pipe Age
Copper
Pipe Material
21 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 70% of expected lifespan used End of life

Detected Contaminants

How Mondovi Waterworks compares to EPA limits

Chlorine residual 1 mg/L (MRDL — Maximum Residual Disinfectant Level) (25% of limit)
0 EPA Limit: 4 mg/L (MRDL — Maximum Residual Disinfectant Level)
Irritation & DBP formation at high levels; protective at normal treatment levels

What This Means For You

Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Chlorine residual was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter →

Comparable Water Systems

Similar-sized systems in Wisconsin

Osceola Waterworks
2,680 people
B 6 violations
Spooner Waterworks
2,653 people
C 7 violations
Denmark Waterworks
2,684 people
B 3 violations
0 violations
Lomira Waterworks
2,701 people
C 3 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance Water Filtration
Radon Mitigation $1,200
Flood Insurance $600
Water Filtration $150
Total Estimated Cost $1,950

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Compare: Estimated remediation cost is $1,950 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

MONDOVI WATERWORKS (EPA ID: WI6060193) is a community water system in Wisconsin that serves approximately 2,667 people from groundwater sources.

This system provides water to 2 ZIP codes across 2 communities.

Average Home Safety Score: C (55/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

1 health-based violation recorded in the past 5 years. All violations have been resolved.

Recent Violations

Date Contaminant Type Status
January 1, 2024 Stage 1 DBP Rule Monitoring Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Stage 1 DBP Rule Treatment Failure 2 No
Chlorine residual Disinfectant 1 Yes

Health Risk Details

Chlorine (Residual Disinfectant) (EPA limit: 4 mg/L (MRDL — Maximum Residual Disinfectant Level))

Irritation & DBP formation at high levels; protective at normal treatment levels At-risk groups: people with asthma or chemical sensitivities, kidney dialysis patients (water must be dechlorinated).

Removal methods: granular activated carbon (GAC), KDF media filter, carbon block filter. Find the right filter →

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
54755 0.00032 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Coverage: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mondovi Waterworks (WI6060193) on EPA.gov.

Frequently Asked Questions

Is Mondovi Waterworks water safe to drink?

Mondovi Waterworks has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

How many people does Mondovi Waterworks serve?

Mondovi Waterworks serves approximately 2,667 people across 2 ZIP codes in Wisconsin.

Where does Mondovi Waterworks get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
25
Galvanized — Replacement Required
918
Unknown Material
322
Confirmed Non-Lead

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2023-06-01 did not exceed the federal lead action level.
Population served: 2,667
Reported to Wisconsin

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Mondovi Waterworks safe to drink?
Mondovi Waterworks has a C safety grade based on 3 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Mondovi Waterworks's water?
Detected contaminants include Stage 1 DBP Rule, Chlorine residual. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Mondovi Waterworks serve?
Mondovi Waterworks serves approximately 2,667 people with drinking water across 2 ZIP codes.
What is Mondovi Waterworks's water source?
Mondovi Waterworks draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Mondovi Waterworks's water?
The maximum detected lead level is 0.00032 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Mondovi Waterworks's service area?
The Mondovi Waterworks service area has a median household income of $66,750. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Mondovi Waterworks get its water?
Mondovi Waterworks's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on available data, the source contamination risk is moderate.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Mondovi Waterworks (EPA ID: WI6060193) — request the latest Consumer Confidence Report or ask about specific contaminants.

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