Water Quality in Hayward, MN: 1 Violation — Grade D
Grade D · Score 50/100 · 1 water system · Updated 2026-05-03
Hayward's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
SDWIS records for Hayward, MN show 1 EPA violation documented for the local water supply — these span the full range of reportable events from health-based exceedances to monitoring and reporting lapses registered with the federal program.
Water Quality by ZIP Code in Hayward
Water quality varies across Hayward's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 56043 | D | 50 | 1 | 1 | View report → |
Water Quality Overview
Hayward, Minnesota receives a water quality grade of D with an overall score of 50 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Hayward have accumulated 1 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 254 people.
What Grade D Means
A grade of D indicates significant compliance issues. Hayward's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
Lead testing data for Hayward is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 82% of homes built before 1986, Hayward 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
Hayward 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 Hayward
Hayward is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 254 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 5 enforcement actions against water systems serving Hayward. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Hayward
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 Hayward Water Systems
The following contaminants have been detected or caused violations across Hayward's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Gross Alpha | Radionuclides | 15 pCi/L | 1 | 1 | Yes |
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 5 enforcement actions against water systems serving Hayward. Recent actions:
| Date | Action Type |
|---|---|
| 2024-10-07 | State Filed Suit |
| 2022-02-15 | State Informal Action |
| 2022-01-28 | State Filed Judgment |
| 2022-01-28 | State Informal Action |
| 2022-01-28 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-10-07.
Hayward vs. Nearby Minnesota Cities
How Hayward's water quality compares to similar cities in Minnesota:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Hayward | D | 1 | 1 | 254 |
| Aldrich | D | 0 | 1 | 255 |
| Hewitt | C | 1 | 1 | 255 |
| South Haven | C | 4 | 2 | 253 |
Common Questions About Hayward Water
These are the most common questions residents search for about water quality in Hayward, Minnesota:
Is Hayward water hard or soft? Water hardness varies by source. Hayward's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Hayward tap water? Hayward's water receives a grade of D (50/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Hayward? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Hayward vs. Minnesota Average
Understanding how Hayward 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 Hayward.
ZIP Codes in Hayward
Hayward spans 1 ZIP code. The ZIP with the lowest water quality score is 56043. 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.