WaterVerge

Is Allegany (T), MI Tap Water Safe to Drink?

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

704 residents served 2 water systems PWSID: NY0412237
Overall Score
91 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#94 of 520 in Michigan Top 13% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91/100
waterverge.com
A 91/100

Allegany (T), MI — Water Quality Report

Allegany (T)'s drinking water received a grade of A (91 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 704 residents using groundwater.

Lead levels were measured at 1.4 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 3 health-based violations. 4 remain unresolved.

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

What to know about Allegany (T)'s water

Allegany (T) ranks #94 out of 520 cities in Michigan for water quality, placing it above average in the state.

Allegany (T) 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, Allegany (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.4 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 Allegany (T), MI water safe to drink?

Concerns Identified

Allegany (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A (91/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 704 residents using groundwater (wells).

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

Recent water quality updates for Allegany (T)

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Allegany (T)'s water quality assessment. Grade: A (91/100).

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: Consumer Confidence Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Allegany (T)'s water supply.

Lead Within Limits
Detected: 1.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Allegany (T)'s water system has 11 total violations on record, including 3 health-based violations. 4 remain unresolved.

OtherMCLMR
Most recent violations:
Jul 2015 Consumer Confidence Rule Open
Jul 2015 Consumer Confidence Rule Open
Dec 2013 Coliform (TCR) Resolved
Oct 2012 Coliform (TCR) Resolved
Jul 2007 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 Allegany (T)'s water come from?

Allegany (T)'s drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 704 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include River Rouge (river), Upper River Rouge (river), Johnson Creek (river), Middle River Rouge (river).

What Allegany (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Allegany (T)'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

Allegany (T)'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
1.4 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
Compliance Record

Violation summary

11
Total violations
3
Health-based
4
Active / unresolved
Jul 2015
Most recent violation
Compliance Record

Violations & advisories

11 Total
4 Active
3 Health-based
7 Resolved
Violations by category
Nitrate Rule
4
Total Coliform Rule
3
Consumer Confidence Rule
2
Lead and Copper Rule
2
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2013
Oct 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Jul 2007 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2007
Jan 1996 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1996
Jan 1996 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1996
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
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) 1.4 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 decreased by 3.0 ppb from 1993 (3.0 ppb) to 2026 (0.0 ppb).
Contaminant Rankings

See how Allegany (T) compares by contaminant

Explore where Allegany (T) ranks among all Michigan cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
704
Water Systems
2
Water Source

Where Allegany (T)'s water comes from

Groundwater

Allegany (T)'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 private ownership and serves approximately 704 people through 2 water systems.

Local Hydrology

Water bodies near Allegany (T)

Allegany (T) is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

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

Water systems serving Allegany (T)

System Name PWSID Population Source
VALLEY VIEW ESTATES NY0412237 404 GW
COLONIAL VILLAGE NY0400869 300 GW
Regional Comparison

How Allegany (T) compares

Full Michigan rankings →

Allegany (T)'s score of 91/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Allegany (T) (this city)
91
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Allegany (T), 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.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Allegany (T), MI tap water safe to drink?

Allegany (T)'s water quality earned a grade of A (91/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #94 out of 520 cities tested in Michigan.

What contaminants are in Allegany (T)'s water?

Lead was measured at 1.4 ppb (90th percentile). 11 violations are on record.

How is Allegany (T)'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 Allegany (T)?

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

Where does Allegany (T)'s water come from?

Allegany (T)'s water is sourced from Groundwater. The city has 2 water systems serving approximately 704 residents.

What health violations has Allegany (T)'s water system had?

Allegany (T) has 3 health-based violations on record. The most recent violation was recorded in July 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Allegany (T)'s groundwater at risk of contamination?

Allegany (T) 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 Allegany (T)'s water compare to other cities?

Allegany (T) ranks #94 out of 520 cities in Michigan (better than 82% of state cities) and #1961 out of 15744 cities nationally (88th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.