Water Quality in Genoa City, WI: 4 Violations — Grade C
Grade C · Score 69/100 · 2 water systems · Updated 2026-05-03
Genoa City's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Compliance records maintained by the EPA for Genoa City, WI log 4 violations — accumulated reportable events drawn from every local utility in the SDWIS national tracking system.
Water Quality by ZIP Code in Genoa City
Water quality varies across Genoa City's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 53128 | C | 56 | 4 | 0 | View report → |
Water Quality Overview
Genoa City, Wisconsin receives a water quality grade of C with an overall score of 69 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Genoa City have accumulated 4 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 2,796 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Genoa City's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Genoa City water systems is 0.0081 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 62% of homes built before 1986, Genoa City has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Genoa City is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Genoa City
Genoa City is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,796 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 9 enforcement actions against water systems serving Genoa City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Genoa City
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Genoa City Water Systems
The following contaminants have been detected or caused violations across Genoa City's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | N/A | 2 | 1 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 1 | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 9 enforcement actions against water systems serving Genoa City. Recent actions:
| Date | Action Type |
|---|---|
| 2025-08-14 | State Informal Action |
| 2024-07-16 | State Order Extension |
| 2024-03-28 | State Informal Action |
| 2023-09-20 | State Order Extension |
| 2023-09-18 | State Informal Action |
| 2023-08-28 | State Informal Action |
| 2023-08-28 | State Informal Enforcement |
| 2023-05-08 | State Informal Action |
| 2022-07-13 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-08-14.
Genoa City vs. Nearby Wisconsin Cities
How Genoa City's water quality compares to similar cities in Wisconsin:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Genoa City | C | 4 | 2 | 2,796 |
| Hayward | B | 15 | 5 | 2,802 |
| Osceola | B | 6 | 2 | 2,780 |
| Poynette | C | 16 | 4 | 2,753 |
Common Questions About Genoa City Water
These are the most common questions residents search for about water quality in Genoa City, Wisconsin:
Is Genoa City water hard or soft? Water hardness varies by source. Genoa City's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Genoa City tap water? Genoa City's water receives a grade of C (69/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Genoa City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Genoa City vs. Wisconsin Average
Understanding how Genoa City compares to the broader Wisconsin average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Genoa City.
ZIP Codes in Genoa City
Genoa City spans 1 ZIP code. The ZIP with the lowest water quality score is 53128. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.