WaterVerge

Is Mount Morris, MI Tap Water Safe to Drink?

Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: MI0004520
Overall Score
89.3 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#131 of 520 in Michigan Top 19% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.3/100
waterverge.com
A- 89.3/100

Mount Morris, MI — Water Quality Report

Mount Morris's drinking water received a grade of A- (89.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,086 residents using purchased surface water.

Lead levels were measured at 4.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 7 violations on record, including 2 health-based violations. 2 remain unresolved.

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

What to know about Mount Morris's water

Mount Morris ranks #131 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, Mount Morris may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
89.3 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 ppb (90th percentile).
Contaminants
19.5/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Mount Morris, MI water safe to drink?

Use Caution

Mount Morris's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,086 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
4.0 ppb
Lead (90th %ile)
None
PFAS Detected
5 events
Disaster History

Recent water quality updates for Mount Morris

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mount Morris's water quality assessment. Grade: A- (89.3/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 Mount Morris's water supply.

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Mount Morris's water system has 7 total violations on record, including 2 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

TTMROther
Most recent violations:
Jan 2021 Lead and Copper Rule Resolved
Jul 2020 Lead and Copper Rule Resolved
Feb 2014 Coliform (TCR) Resolved
Sep 2013 Coliform (TCR) Resolved
Nov 2006 Coliform (TCR) Resolved

Flood & environmental risk

Genesee 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. Local water sources include Kearsley Creek, Swartz Creek, Thread Creek, Flint River.

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

Where does Mount Morris's water come from?

Mount Morris's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,086 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Kearsley Creek (river), Swartz Creek (river), Thread Creek (river), Flint River (river).

What Mount Morris 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Mount Morris'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

7
Total violations
2
Health-based
2
Active / unresolved
Jan 2021
Most recent violation
Compliance Record

Violations & advisories

7 Total
2 Active
2 Health-based
5 Resolved
Violations by category
Total Coliform Rule
3
Lead and Copper Rule
2
Consumer Confidence Rule
1
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Jun 2021
Jul 2020 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Dec 2020
Feb 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2014
Sep 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Nov 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2006
Industrial pollution

Top industrial polluters within 10 miles of Mount Morris

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
MPLX TERMINALS LLC - FLINT MI TERMINAL
Petroleum Bulk Terminals · MARATHON PETROLEUM CORP
MOUNT MORRIS, MI48458
2.2 mi
SUPERIOR MATERIALS PLANT 20
Nonmetallic Mineral Product · VCNA PRAIRIE LLC
FLINT, MI48505
4.0 mi
MID STATE PLATING CO.
Fabricated Metals · NA
FLINT, MI48506
7.1 mi
WOODWORTH INC FLINT
Fabricated Metals · WOODWORTH INC
FLINT, MI48504
4.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Mount Morris

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

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Genesee 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.

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
Apr 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #465

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 4.0 ppb (2023)

EPA action level: 15 ppb

Contaminant Rankings

See how Mount Morris compares by contaminant

Explore where Mount Morris ranks among all Michigan cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,086
Water Systems
1
Water Source

Where Mount Morris's water comes from

Purchased Surface Water

Mount Morris'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 3,086 people through 1 water system.

Local Hydrology

Water bodies near Mount Morris

Mount Morris is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Kearsley Creek
river
Swartz Creek
river
Thread Creek
river
Flint River
river
Infrastructure

Water systems serving Mount Morris

System Name PWSID Population Source
MOUNT MORRIS, CITY OF MI0004520 3,086 SWP
Regional Comparison

How Mount Morris compares

Full Michigan rankings →

Mount Morris's score of 89.3/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Mount Morris (this city)
89.3
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Mount Morris, MI

Economic Profile
$40,714
Median Income
$79,414
Median Home Value
$877/mo
Median Rent
18.5%
Unemployment
Community
32.8
Median Age
1,058
People / sq mi
5.4%
College Educated
56.4%
Homeownership
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Frequently asked questions

Is Mount Morris, MI tap water safe to drink?

Mount Morris's water quality earned a grade of A- (89.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #131 out of 520 cities tested in Michigan.

What contaminants are in Mount Morris's water?

Lead was measured at 4.0 ppb (90th percentile). No PFAS compounds were detected. 7 violations are on record.

How is Mount Morris'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 Mount Morris?

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

Where does Mount Morris's water come from?

Mount Morris's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,086 residents.

What health violations has Mount Morris's water system had?

Mount Morris has 2 health-based violations on record. The most recent violation was recorded in January 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Mount Morris's water compare to other cities?

Mount Morris ranks #131 out of 520 cities in Michigan (better than 75% of state cities) and #2899 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Mount Morris's small water system affect quality?

Mount Morris's system serves approximately 3,086 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 7 violations on record.