C51/100
Hayward Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,582 residents · Wisconsin
What's In Hayward's Tap Water?
27
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – October 26, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
DRY TOWN
Population Served
3,030
Water Source
Groundwater
System ID
055295310
HAYWARD WATER UTILITY
Population Served
2,552
Water Source
Groundwater
System ID
WI8580532
Frequently Asked Questions About Hayward Water
Is Hayward tap water safe to drink?
Hayward, Wisconsin tap water receives a grade of C (51/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 73 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Hayward's water?
Of the 28 contaminants tested in Hayward's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Hayward have any water quality violations?
Yes, Hayward has 73 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, MCL. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Hayward?
Based on EPA data, using a water filter in Hayward is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Hayward's tap water come from?
Hayward's drinking water is sourced from groundwater and supplied by DRY TOWN and 1 other water system(s). The system serves approximately 5,582 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Hayward's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Hayward's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Hayward's water compare to other cities in Wisconsin?
Hayward's water quality score of 51/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Hayward's water quality?
If you have concerns about Hayward's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (DRY TOWN) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.