WaterVerge

Is Lake Odessa, MI Tap Water Safe to Drink?

Graded B+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: MI0003730
Overall Score
82.8 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#312 of 520 in Michigan Top 43% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.8/100
waterverge.com
B+ 82.8/100

Lake Odessa, MI — Water Quality Report

Lake Odessa's drinking water received a grade of B+ (82.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,018 residents using groundwater.

Lead levels were measured at 3.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 11 violations on record, including 2 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Lake Odessa's water

Lake Odessa ranks #312 out of 520 cities in Michigan for water quality, placing it below average in the state.

Lake Odessa relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Lake Odessa may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.8/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lake Odessa, MI water safe to drink?

Concerns Identified

Lake Odessa's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,018 residents using groundwater (wells).

4
Active Violations
3.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Lake Odessa

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lake Odessa's water quality assessment. Grade: B+ (82.8/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4121). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Lake Odessa's water supply.

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lake Odessa's water system has 11 total violations on record, including 2 health-based violations. 4 remain unresolved. 5 violations were issued in the last 5 years.

RPTTTMRMCL
Most recent violations:
Nov 2024 Revised Total Coliform Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2021 TTHM Resolved
Oct 2021 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Ionia County has experienced 5 federally declared disasters since 1975. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4757
FLOODING
Flood FEMA DR-4121
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225

Where does Lake Odessa's water come from?

Lake Odessa's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,018 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Lake Odessa residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lake Odessa's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Lake Odessa's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

11
Total violations
2
Health-based
4
Active / unresolved
Nov 2024
Most recent violation
Compliance Record

Violations & advisories

11 Total
4 Active
2 Health-based
7 Resolved
2 SNC
Violations by category
Total Coliform Rule
4
Lead and Copper Rule Revisions
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Revised Total Coliform Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Nov 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2022
Oct 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2022
Jul 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Mar 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2008
Dec 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2000
Jun 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Aug 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1991
Industrial pollution

Top industrial polluters within 10 miles of Lake Odessa

Industrial polluters nearby

Reported releases to surface water by facilities near Lake Odessa, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
CARBON GREEN BIOENERGY
Chemicals · NA
LAKE ODESSA, MI48849
3.4 mi
CARGILL KITCHEN SOLUTIONS
Food · CARGILL INC
LAKE ODESSA, MI48849
0.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

5
Declared disasters
Feb 2024
Most recent
Flood
Most common type

Ionia County has experienced 5 federally declared disasters since 1975. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Feb 2024
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4757
Jun 2013
FLOODING
Flood FEMA #4121
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Sep 1986
SEVERE STORMS & FLOODING
Flood FEMA #774
Apr 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #465

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 3.0 ppb (2024)

EPA action level: 15 ppb

Contaminant Rankings

See how Lake Odessa compares by contaminant

Explore where Lake Odessa ranks among all Michigan cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,018
Water Systems
1
Water Source

Where Lake Odessa's water comes from

Groundwater

Lake Odessa's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 2,018 people through 1 water system.

Infrastructure

Water systems serving Lake Odessa

System Name PWSID Population Source
LAKE ODESSA MI0003730 2,018 GW
Regional Comparison

How Lake Odessa compares

Full Michigan rankings →

Lake Odessa's score of 82.8/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

Lake Odessa (this city)
82.8
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Lake Odessa, MI

Economic Profile
$66,397
Median Income
$138,950
Median Home Value
$710/mo
Median Rent
5.6%
Unemployment
Community
36
Median Age
924
People / sq mi
15.3%
College Educated
77%
Homeownership
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Frequently asked questions

Is Lake Odessa, MI tap water safe to drink?

Lake Odessa's water quality earned a grade of B+ (82.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #312 out of 520 cities tested in Michigan.

What contaminants are in Lake Odessa's water?

Lead was measured at 3.0 ppb (90th percentile). 11 violations are on record.

How is Lake Odessa's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Lake Odessa?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Lake Odessa's water come from?

Lake Odessa's water is sourced from Groundwater. The city has 1 water system serving approximately 2,018 residents.

What health violations has Lake Odessa's water system had?

Lake Odessa has 2 health-based violations on record. The most recent violation was recorded in November 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Lake Odessa's groundwater at risk of contamination?

Lake Odessa uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 11 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Lake Odessa's water compare to other cities?

Lake Odessa ranks #312 out of 520 cities in Michigan (better than 40% of state cities) and #6762 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Lake Odessa's small water system affect quality?

Lake Odessa's system serves approximately 2,018 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 11 violations on record.