WaterVerge

Is Alton, MI Tap Water Safe to Drink?

Graded B+, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

858 residents served 2 water systems PWSID: IL1195160
Overall Score
83.9 / 100
Violations
5 active
Last Updated
May 2026
Source
Purchased surface water
#285 of 520 in Michigan Top 40% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.9/100
waterverge.com
B+ 83.9/100

Alton, MI — Water Quality Report

Alton's drinking water received a grade of B+ (83.9 out of 100), indicating good water quality. The city's 2 water systems serve approximately 858 residents using purchased surface water.

Lead levels were measured at 0.0 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 9 violations on record, including 0 health-based violations. 5 remain unresolved.

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

What to know about Alton's water

Alton ranks #285 out of 520 cities in Michigan for water quality, placing it below average 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, Alton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
83.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Alton, MI water safe to drink?

Concerns Identified

Alton's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 858 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Alton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Alton's water quality assessment. Grade: B+ (83.9/100).

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Alton's water system has 9 total violations on record, including 0 health-based violations. 5 remain unresolved. 2 violations were issued in the last 5 years.

OtherMR
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jul 2025 Consumer Confidence Rule Open
Jul 2019 Consumer Confidence Rule Open
Jul 2017 Lead and Copper Rule Open
Sep 2015 Coliform (TCR) Resolved

Flood & environmental risk

Oakland 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. Local water sources include River Rouge, Upper River Rouge, Johnson Creek, Middle River Rouge.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4757
SEVERE STORMS AND FLOODING
Flood FEMA DR-4195
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225

Where does Alton's water come from?

Alton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 858 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include River Rouge (river), Upper River Rouge (river), Johnson Creek (river), Middle River Rouge (river).

What Alton residents can do

Install a water filter

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

Alton'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

9
Total violations
0
Health-based
5
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

9 Total
5 Active
0 Health-based
4 Resolved
Violations by category
Consumer Confidence Rule
3
Total Coliform Rule
3
Lead and Copper Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Sep 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2015
Aug 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2015
Jul 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2015
Jul 2015 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2015
Environmental Risk

Flood & disaster history

4
Declared disasters
Feb 2024
Most recent
Flood
Most common type

Oakland 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.

Feb 2024
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4757
Sep 2014
SEVERE STORMS AND FLOODING
Flood FEMA #4195
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Apr 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #465

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 0.7 ppb from 2016 (0.0 ppb) to 2025 (0.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Private
Population Served
858
Water Systems
2
Water Source

Where Alton's water comes from

Purchased Surface Water

Alton'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 private ownership and serves approximately 858 people through 2 water systems.

Local Hydrology

Water bodies near Alton

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

River Rouge
river
Upper River Rouge
river
Johnson Creek
river
Middle River Rouge
river
Infrastructure

Water systems serving Alton

System Name PWSID Population Source
ENCHANTED VILLAGE IL1195160 720 SWP
OAK GROVE MHP - MADISON COUNTY IL1195180 138 SWP
Regional Comparison

How Alton compares

Full Michigan rankings →

Alton's score of 83.9/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

Alton (this city)
83.9
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Alton, MI

Wikipedia →

Farmington Hills is a city in Oakland County in the U.S. state of Michigan. A northwestern suburb of Detroit, Farmington Hills is located roughly 22 miles (35.4 km) from downtown Detroit. As of the 2020 census, the city's population was 83,986, making it the second-largest community in Oakland County.

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Frequently asked questions

Is Alton, MI tap water safe to drink?

Alton's water quality earned a grade of B+ (83.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #285 out of 520 cities tested in Michigan.

What contaminants are in Alton's water?

Lead was measured at 0.0 ppb (90th percentile). 9 violations are on record.

How is Alton'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 Alton?

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

Where does Alton's water come from?

Alton's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 858 residents.

How does Alton's water compare to other cities?

Alton ranks #285 out of 520 cities in Michigan (better than 45% of state cities) and #6202 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.