B79/100
Marquette Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 23,329 residents · Michigan
What's In Marquette's Tap Water?
69
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.019 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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
MARQUETTE
Population Served
20,629
Water Source
Surface Water
System ID
MI0004120
MARQUETTE TOWNSHIP
Population Served
2,700
Water Source
Purchased Surface Water
System ID
MI0004140
Frequently Asked Questions About Marquette Water
Is Marquette tap water safe to drink?
Marquette, Michigan tap water receives a grade of B (79/100), which is considered good. Out of 69 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Marquette's water?
Of the 69 contaminants tested in Marquette's water supply, the most notable include Lead (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 Marquette have any water quality violations?
Yes, Marquette has 26 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, TT. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Marquette?
Based on EPA data, using a water filter in Marquette 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 Marquette's tap water come from?
Marquette's drinking water is sourced from surface water and supplied by MARQUETTE and 1 other water system(s). The system serves approximately 23,329 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Marquette'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. Marquette'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 Marquette's water compare to other cities in Michigan?
Marquette's water quality score of 79/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Michigan state page to see how all cities in the state compare.
What should I do if I'm concerned about Marquette's water quality?
If you have concerns about Marquette'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 (MARQUETTE) 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.