WaterVerge

Is St Michaels, MD Tap Water Safe to Drink?

Graded B+, with 10 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: MD0200006
Overall Score
83.2 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#38 of 107 in Maryland Top 42% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.2/100
waterverge.com
B+ 83.2/100

St Michaels, MD — Water Quality Report

St Michaels's drinking water received a grade of B+ (83.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,325 residents using groundwater.

Lead levels were measured at 1.8 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 44 violations on record, including 9 health-based violations. 10 remain unresolved.

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

What to know about St Michaels's water

St Michaels ranks #38 out of 107 cities in Maryland for water quality, placing it mid-range in the state.

St Michaels 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.

Quality Breakdown

Water quality score

See methodology →
83.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.2/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 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 St Michaels, MD water safe to drink?

Concerns Identified

St Michaels's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,325 residents using groundwater (wells).

10
Active Violations
1.8 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for St Michaels

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into St Michaels's water quality assessment. Grade: B+ (83.2/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-4091). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3349). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

St Michaels's water system has 44 total violations on record, including 9 health-based violations. 10 remain unresolved. 5 violations were issued in the last 5 years.

MCLOtherMR
Most recent violations:
Oct 2022 Arsenic Resolved
Jul 2022 Arsenic Resolved
Apr 2022 Arsenic Resolved
Oct 2021 Consumer Confidence Rule Open
Jul 2021 Consumer Confidence Rule Open

Flood & environmental risk

Talbot County has experienced 9 federally declared disasters since 1972. 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 Eastern Bay.

HURRICANE SANDY
Hurricane FEMA DR-4091
HURRICANE SANDY
Hurricane FEMA DR-3349
HURRICANE IRENE
Hurricane FEMA DR-4034

Where does St Michaels's water come from?

St Michaels's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,325 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Eastern Bay (stream).

What St Michaels residents can do

Install a water filter

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

St Michaels'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
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
Compliance Record

Violation summary

44
Total violations
9
Health-based
10
Active / unresolved
Oct 2022
Most recent violation
Compliance Record

Violations & advisories

44 Total
10 Active
9 Health-based
34 Resolved
Violations by category
Inorganic Chemicals
19
Arsenic Rule
12
Lead and Copper Rule
4
Consumer Confidence Rule
3
Total Coliform Rule
2
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jan 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2008 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2002 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2022
Jul 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Apr 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Jan 2018 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2018
Oct 2012 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Jan 2012 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Jul 2010 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2010
Apr 2010 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Jan 2010 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2010
Oct 2009 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2009
Showing 20 of 44 violations
Environmental Risk

Drought conditions

D2 — severe drought

Talbot County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

3
Weeks at D2+ (current streak)
10.7%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

9
Declared disasters
Nov 2012
Most recent
Hurricane
Most common type

Talbot County has experienced 9 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2012
HURRICANE SANDY
Hurricane FEMA #4091
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3349
Sep 2011
HURRICANE IRENE
Hurricane FEMA #4034
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3335
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3251
Sep 2003
HURRICANE ISABEL
Hurricane FEMA #1492

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 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 1.8 ppb from 1993 (0.0 ppb) to 2025 (1.8 ppb).
Contaminant Rankings

See how St Michaels compares by contaminant

Explore where St Michaels ranks among all Maryland cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,325
Water Systems
2
Water Source

Where St Michaels's water comes from

Groundwater

St Michaels'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 3,325 people through 2 water systems.

Local Hydrology

Water bodies near St Michaels

St Michaels is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Eastern Bay
stream
Infrastructure

Water systems serving St Michaels

System Name PWSID Population Source
TOWN OF ST. MICHAELS MD0200006 2,650 GW
MARTINGHAM UTILITIES COOPERATIVE MD0200004 675 GW
Regional Comparison

How St Michaels compares

Full Maryland rankings →

St Michaels's score of 83.2/100 is above the average of 60/100 among major Maryland cities. It outscores 7 of 10 nearby cities.

St Michaels (this city)
83.2
Laurel
95
Baltimore
39.8
Frederick
37.5
Maryland avg
60
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Frequently asked questions

Is St Michaels, MD tap water safe to drink?

St Michaels's water quality earned a grade of B+ (83.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #38 out of 107 cities tested in Maryland.

What contaminants are in St Michaels's water?

Lead was measured at 1.8 ppb (90th percentile). 44 violations are on record.

How is St Michaels'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 St Michaels?

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

Where does St Michaels's water come from?

St Michaels's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,325 residents.

What health violations has St Michaels's water system had?

St Michaels has 9 health-based violations on record. The most recent violation was recorded in October 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is St Michaels's groundwater at risk of contamination?

St Michaels 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 44 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 St Michaels's water compare to other cities?

St Michaels ranks #38 out of 107 cities in Maryland (better than 64% of state cities) and #6547 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.