A87/100
East Lansing Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 45,793 residents · Michigan
What's In East Lansing's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – August 29, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – July 31, 2023Rule: Total Coliform 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
EAST LANSING, CITY OF
Population Served
33,000
Water Source
Purchased Groundwater
System ID
MI0001990
MICHIGAN STATE UNIVERSITY
Population Served
12,793
Water Source
Groundwater
System ID
MI0004340
Frequently Asked Questions About East Lansing Water
Is East Lansing tap water safe to drink?
East Lansing, Michigan tap water receives a grade of A (87/100), which is considered excellent. Out of 67 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 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 East Lansing's water?
Of the 67 contaminants tested in East Lansing's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does East Lansing have any water quality violations?
Yes, East Lansing has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, MON. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in East Lansing?
Based on EPA data, using a water filter in East Lansing 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 East Lansing's tap water come from?
East Lansing's drinking water is sourced from purchased groundwater and supplied by EAST LANSING, CITY OF and 1 other water system(s). The system serves approximately 45,793 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is East Lansing'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. East Lansing'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 East Lansing's water compare to other cities in Michigan?
East Lansing's water quality score of 87/100 earns a grade of A, which is considered excellent. This places East Lansing among the better-performing water systems in Michigan. Visit our Michigan state page to see how all cities in the state compare.
What should I do if I'm concerned about East Lansing's water quality?
If you have concerns about East Lansing'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 (EAST LANSING, CITY OF) 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.