B74/100
Southfield Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 93,355 residents · Michigan
What's In Southfield's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 15, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – October 23, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – October 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – December 20, 2021Enforcement: 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
WATER OAK COUNTRY CLUB ESTATES
Population Served
1,465
Water Source
Groundwater
System ID
FL3354010
BUTTONWOOD BAY MHP
Population Served
2,000
Water Source
Groundwater
System ID
FL6284075
RIVERSIDE GOLF COURSE COMMUNITY LLC
Population Served
1,530
Water Source
Groundwater
System ID
FL6291597
SUN OUTDOORS SARASOTA
Population Served
3,800
Water Source
Groundwater
System ID
FL6581741
COBUS GREEN MOBILE HOME PARK
Population Served
1,042
Water Source
Groundwater
System ID
IN5220037
SOUTHFIELD
Population Served
71,739
Water Source
Purchased Surface Water
System ID
MI0006160
SYLVAN GLEN ESTATES
Population Served
1,015
Water Source
Groundwater
System ID
MI0040314
HIGHLAND GREENS ESTATES
Population Served
2,268
Water Source
Groundwater
System ID
MI0040387
ORION LAKE ESTATES MHC
Population Served
1,058
Water Source
Groundwater
System ID
MI0040399
EGELCRAFT MOBILE HOME PARK
Population Served
1,125
Water Source
Groundwater
System ID
MI0040600
MEADOW LAKE ESTATES MHC
Population Served
1,060
Water Source
Groundwater
System ID
MI0040612
NORTHVILLE CROSSING
Population Served
1,890
Water Source
Groundwater
System ID
MI0040657
CIDERMILL CROSSINGS
Population Served
1,863
Water Source
Groundwater
System ID
MI0040679
OAKWOOD VILLAGE MHP
Population Served
1,500
Water Source
Purchased Surface Water
System ID
OH5703715
Frequently Asked Questions About Southfield Water
Is Southfield tap water safe to drink?
Southfield, Michigan tap water receives a grade of B (74/100), which is considered good. Out of 70 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 Southfield's water?
Of the 70 contaminants tested in Southfield'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 Southfield have any water quality violations?
Yes, Southfield has 216 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, TT. 47 of these are health-based violations, which are the most serious category.
Do I need a water filter in Southfield?
Based on EPA data, using a water filter in Southfield 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 Southfield's tap water come from?
Southfield's drinking water is sourced from groundwater and supplied by WATER OAK COUNTRY CLUB ESTATES and 13 other water system(s). The system serves approximately 93,355 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Southfield'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. Southfield'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 Southfield's water compare to other cities in Michigan?
Southfield's water quality score of 74/100 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 Southfield's water quality?
If you have concerns about Southfield'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 (WATER OAK COUNTRY CLUB ESTATES) 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.