Water Quality in Minnesota City, MN: 4 Violations — Grade C
Grade C · Score 65/100 · 1 water system · Updated 2026-05-03
Minnesota 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
Federal EPA data for Minnesota City, MN shows 4 water compliance events in the record — the table below identifies system names and violation types.
Water Quality by ZIP Code in Minnesota City
Water quality varies across Minnesota City's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 55959 | C | 65 | 4 | 0 | View report → |
Water Quality Overview
Minnesota City, Minnesota receives a water quality grade of C with an overall score of 65 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Minnesota City have accumulated 4 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 464 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Minnesota 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 Minnesota City water systems is 0.0010 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 55% of homes built before 1986, Minnesota 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
Minnesota City is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Minnesota City
Minnesota City is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 464 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 8 enforcement actions against water systems serving Minnesota City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Minnesota 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 Minnesota City Water Systems
The following contaminants have been detected or caused violations across Minnesota City's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | N/A | 2 | 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 8 enforcement actions against water systems serving Minnesota City. Recent actions:
| Date | Action Type |
|---|---|
| 2025-07-11 | State Filed Judgment |
| 2025-07-11 | State Informal Enforcement |
| 2025-06-05 | State Informal Action |
| 2024-12-11 | State Filed Judgment |
| 2024-12-11 | State Informal Enforcement |
| 2024-12-11 | State Order Extension |
| 2024-12-09 | State Order Extension |
| 2024-09-05 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-07-11.
Minnesota City vs. Nearby Minnesota Cities
How Minnesota City's water quality compares to similar cities in Minnesota:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Minnesota City | C | 4 | 1 | 464 |
| Ellsworth | C | 2 | 1 | 462 |
| Ogilvie | C | 4 | 2 | 467 |
| Kellogg | B | 0 | 1 | 469 |
Common Questions About Minnesota City Water
These are the most common questions residents search for about water quality in Minnesota City, Minnesota:
Is Minnesota City water hard or soft? Water hardness varies by source. Minnesota City's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Minnesota City tap water? Minnesota City's water receives a grade of C (65/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Minnesota City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Minnesota City vs. Minnesota Average
Understanding how Minnesota City compares to the broader Minnesota 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 Minnesota City.
ZIP Codes in Minnesota City
Minnesota City spans 1 ZIP code. The ZIP with the lowest water quality score is 55959. 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.