WaterVerge

Is Manistique, MI Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 1 water system PWSID: MI0004040
Overall Score
88.5 / 100
Violations
1 active
Last Updated
May 2026
Source
Surface water
#155 of 520 in Michigan Top 22% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.5/100
waterverge.com
A- 88.5/100

Manistique, MI — Water Quality Report

Manistique's drinking water received a grade of A- (88.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,197 residents using surface water.

Lead levels were measured at 1.3 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 10 violations on record, including 7 health-based violations. 1 remains unresolved.

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

What to know about Manistique's water

Manistique ranks #155 out of 520 cities in Michigan for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

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

Quality Breakdown

Water quality score

See methodology →
88.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Manistique, MI water safe to drink?

Use Caution

Manistique's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (88.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,197 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
1.3 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Manistique

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Manistique's water quality assessment. Grade: A- (88.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Disaster
HURRICANE KATRINA EVACUATION

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

Key contaminant findings

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

Lead Within Limits
Detected: 1.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.93 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Manistique's water system has 10 total violations on record, including 7 health-based violations. 1 remain unresolved.

MRMCL
Most recent violations:
Jan 2020 Lead and Copper Rule Resolved
Jan 2010 TTHM Resolved
Oct 2009 TTHM Resolved
Jul 2009 TTHM Resolved
Oct 2008 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Schoolcraft County has experienced 1 federally declared disaster since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Manistique River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225

Where does Manistique's water come from?

Manistique's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,197 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Manistique River (river).

What Manistique residents can do

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.

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
1.3 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.93 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

10
Total violations
7
Health-based
1
Active / unresolved
Jan 2020
Most recent violation
Compliance Record

Violations & advisories

10 Total
1 Active
7 Health-based
9 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Total Coliform Rule
2
Lead and Copper Rule
1
Former Total Trihalomethane Rule
1
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2020
Jan 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2010
Oct 2009 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2009
Jul 2009 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2009
Oct 2008 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2008
Jul 2008 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2008
Jan 2003 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2003
May 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1998
Jul 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1993
Industrial pollution

Top industrial polluters within 10 miles of Manistique

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
PROAMPAC
Paper · PROAMPAC HOLDINGS INC
MANISTIQUE, MI49854
0.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Schoolcraft County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225

Recommended water filters

Based on contaminants detected in Manistique's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.3 15 ppb Inorganic Safe
Copper (90th percentile) 1.93 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.7 ppb from 1992 (5.0 ppb) to 2023 (1.3 ppb).

Copper level (90th percentile)

Latest reading: 1.930 mg/L (1992)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
3,197
Water Systems
1
Water Source

Where Manistique's water comes from

Surface Water

Manistique's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 3,197 people through 1 water system.

Local Hydrology

Water bodies near Manistique

Manistique is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Manistique River
river
Infrastructure

Water systems serving Manistique

System Name PWSID Population Source
MANISTIQUE MI0004040 3,197 SW
Regional Comparison

How Manistique compares

Full Michigan rankings →

Manistique's score of 88.5/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Manistique (this city)
88.5
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Manistique, MI

Economic Profile
$36,588
Median Income
$72,157
Median Home Value
$564/mo
Median Rent
8.6%
Unemployment
Community
50.6
Median Age
341
People / sq mi
14%
College Educated
69.5%
Homeownership
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Frequently asked questions

Is Manistique, MI tap water safe to drink?

Manistique's water quality earned a grade of A- (88.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #155 out of 520 cities tested in Michigan.

What contaminants are in Manistique's water?

Lead was measured at 1.3 ppb (90th percentile). 10 violations are on record.

How is Manistique'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 Manistique?

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

Where does Manistique's water come from?

Manistique's water is sourced from Surface water. The city has 1 water system serving approximately 3,197 residents.

What health violations has Manistique's water system had?

Manistique has 7 health-based violations on record. The most recent violation was recorded in January 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Manistique's water compare to other cities?

Manistique ranks #155 out of 520 cities in Michigan (better than 70% of state cities) and #3416 out of 15744 cities nationally (78th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Manistique's small water system affect quality?

Manistique's system serves approximately 3,197 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 10 violations on record.