WaterVerge

Is Ithaca, MI Tap Water Safe to Drink?

Graded C, with 17 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: MI0003460
Overall Score
63.5 / 100
Violations
17 active
Last Updated
May 2026
Source
Groundwater
#465 of 520 in Michigan Top 75% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
63.5/100
waterverge.com
C 63.5/100

Ithaca, MI — Water Quality Report

Ithaca's drinking water received a grade of C (63.5 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 3,143 residents using groundwater.

Lead levels were measured at 1.7 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 22 violations on record, including 2 health-based violations. 17 remain unresolved.

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

What to know about Ithaca's water

Ithaca ranks #465 out of 520 cities in Michigan for water quality, placing it among the lowest-rated in the state.

Ithaca 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, Ithaca may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 15 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
63.5 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
21.5/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Ithaca, MI water safe to drink?

Concerns Identified

Ithaca's drinking water has significant quality concerns based on EPA testing data. With a grade of C (63.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,143 residents using groundwater (wells).

17
Active Violations
1.7 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Ithaca

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ithaca's water quality assessment. Grade: C (63.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
4 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS, Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-774). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Ithaca's water system has 22 total violations on record, including 2 health-based violations. 17 remain unresolved. 15 violations were issued in the last 5 years.

MRRPTOtherMCL
Most recent violations:
Oct 2025 Lead and Copper Rule Open
Jul 2025 Revised Total Coliform Rule Open
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 Consumer Confidence Rule Open
Jul 2025 Lead and Copper Rule Open

Flood & environmental risk

Gratiot County has experienced 4 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225
SEVERE STORMS & FLOODING
Flood FEMA DR-774
SEVERE STORMS AND FLOODING
Flood FEMA DR-744

Where does Ithaca's water come from?

Ithaca's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,143 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ithaca residents can do

Install a water filter

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

Ithaca'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
1.7 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

22
Total violations
2
Health-based
17
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

22 Total
17 Active
2 Health-based
5 Resolved
Violations by category
Lead and Copper Rule
8
Total Coliform Rule
4
Consumer Confidence Rule
3
Public Notice Rule and Revised PN Rule
3
Revised Total Coliform Rule
1
Oct 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Public Notice
Other Violation 0
Aug 2024 Active
Public Notice
Other Violation 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2023 Active
Public Notice
Other Violation 0
Jul 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Dec 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2023 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Mar 2016 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Mar 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2015
Showing 20 of 22 violations
Industrial pollution

Top industrial polluters within 10 miles of Ithaca

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
ALUDYNE N.A. LLC - ALMA
Primary Metals · ALUDYNE INC
ALMA, MI48801
6.5 mi
MICHIGAN PAVING & MATERIALS CO
Petroleum · CRH AMERICAS INC
ALMA, MI48801
6.8 mi
AGROLIQUID - ASHLEY
Chemicals · COG MARKETERS LTD
ASHLEY, MI48806
9.1 mi
HUTCHINSON AEROSPACE & INDUSTRY
Plastics and Rubber · HUTCHINSON NORTH AMERICA
ITHACA, MI48847
1.3 mi
AIRCRAFT PRECISION PRODUCTS INC.
Transportation Equipment · AIRCRAFT PRECISION PRODUCTS INC
ITHACA, MI48847
0.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Ithaca

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Gratiot County has experienced 4 federally declared disasters since 1975. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Sep 1986
SEVERE STORMS & FLOODING
Flood FEMA #774
Sep 1985
SEVERE STORMS AND FLOODING
Flood FEMA #744
Sep 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #486

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.7 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 1.7 ppb from 2022 (0.0 ppb) to 2023 (1.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,143
Water Systems
2
Water Source

Where Ithaca's water comes from

Groundwater

Ithaca'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 3,143 people through 2 water systems.

Infrastructure

Water systems serving Ithaca

System Name PWSID Population Source
ITHACA, CITY OF MI0003460 3,098 GW
MAPLEVIEW NURSING HOME MI0064070 45 GW
Regional Comparison

How Ithaca compares

Full Michigan rankings →

Ithaca's score of 63.5/100 is below the average of 70/100 among major Michigan cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Ithaca (this city)
63.5
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Ithaca, MI

Economic Profile
$60,389
Median Income
$128,844
Median Home Value
$728/mo
Median Rent
0.8%
Unemployment
Community
42.2
Median Age
192
People / sq mi
25.1%
College Educated
71.5%
Homeownership
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Frequently asked questions

Is Ithaca, MI tap water safe to drink?

Ithaca's water quality earned a grade of C (63.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #465 out of 520 cities tested in Michigan.

What contaminants are in Ithaca's water?

Lead was measured at 1.7 ppb (90th percentile). 22 violations are on record.

How is Ithaca'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 Ithaca?

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

Where does Ithaca's water come from?

Ithaca's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,143 residents.

What health violations has Ithaca's water system had?

Ithaca has 2 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 17 violations remain unresolved.

Is Ithaca's groundwater at risk of contamination?

Ithaca 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 22 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 Ithaca's water compare to other cities?

Ithaca ranks #465 out of 520 cities in Michigan (better than 11% of state cities) and #11750 out of 15744 cities nationally (25th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.