WaterVerge

Is Centreville, MD Tap Water Safe to Drink?

Graded B, with 9 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: MD0170001
Overall Score
78.5 / 100
Violations
9 active
Last Updated
May 2026
Source
Groundwater
#59 of 107 in Maryland Top 55% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.5/100
waterverge.com
B 78.5/100

Centreville, MD — Water Quality Report

Centreville's drinking water received a grade of B (78.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,322 residents using groundwater.

Lead levels were measured at 5.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 49 violations on record, including 5 health-based violations. 9 remain unresolved.

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

What to know about Centreville's water

Centreville ranks #59 out of 107 cities in Maryland for water quality, placing it below average in the state.

Centreville 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
78.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.2/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 5.0 ppb (90th percentile).
Contaminants
14.2/20
C
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Centreville, MD water safe to drink?

Concerns Identified

Centreville's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,322 residents using groundwater (wells).

9
Active Violations
5.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
7 events
Disaster History

Recent water quality updates for Centreville

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Centreville's water quality assessment. Grade: B (78.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE SANDY

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

Key contaminant findings

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

Lead Within Limits
Detected: 5.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 13.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Centreville's water system has 49 total violations on record, including 5 health-based violations. 9 remain unresolved. 5 violations were issued in the last 5 years.

MRMCLOther
Most recent violations:
Jan 2025 Lead and Copper Rule Open
Oct 2024 Lead and Copper Rule Open
Jun 2022 Revised Total Coliform Rule Resolved
Jan 2022 Lead and Copper Rule Open
Oct 2021 Lead and Copper Rule Open

Flood & environmental risk

Queen Anne's County has experienced 7 federally declared disasters since 1999. 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 Tuckahoe Creek, Sallie Harris Creek.

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

Where does Centreville's water come from?

Centreville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,322 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tuckahoe Creek (river), Sallie Harris Creek (river).

What Centreville residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Centreville'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.

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

Centreville'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
5.0 ppb
EPA Action Level: 15 ppb · 33% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
13.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
13.0 µg/L
State screening level: 60 µg/L · 22% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

49
Total violations
5
Health-based
9
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

49 Total
9 Active
5 Health-based
40 Resolved
8 SNC
Violations by category
Inorganic Chemicals
19
Stage 2 Disinfectants and Disinfection Byproducts Rule
8
Arsenic Rule
7
Lead and Copper Rule
6
Nitrate Rule
3
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jun 2022 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2019 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2019
Jan 2019 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2019
Jan 2018 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2018
Jan 2018 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2018
Jan 2017 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2017
Showing 20 of 49 violations
Environmental Risk

Drought conditions

D2 — severe drought

Queen Anne's 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.

4
Weeks at D2+ (current streak)
13.7%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

7
Declared disasters
Nov 2012
Most recent
Hurricane
Most common type

Queen Anne's County has experienced 7 federally declared disasters since 1999. 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

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 5.0 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 13.000 HI µg/L PFAS 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 trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.0 ppb from 1993 (8.0 ppb) to 2024 (5.0 ppb).
Contaminant Rankings

See how Centreville compares by contaminant

Explore where Centreville ranks among all Maryland cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,322
Water Systems
1
Water Source

Where Centreville's water comes from

Groundwater

Centreville'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 3,322 people through 1 water system.

Local Hydrology

Water bodies near Centreville

Centreville is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Tuckahoe Creek
river
Sallie Harris Creek
river
Infrastructure

Water systems serving Centreville

System Name PWSID Population Source
TOWN OF CENTREVILLE MD0170001 3,322 GW
Regional Comparison

How Centreville compares

Full Maryland rankings →

Centreville's score of 78.5/100 is above the average of 60/100 among major Maryland cities. It outscores 7 of 10 nearby cities.

Centreville (this city)
78.5
Laurel
95
Baltimore
39.8
Frederick
37.5
Maryland avg
60
City Profile

About Centreville, MD

Economic Profile
$101,455
Median Income
$414,298
Median Home Value
$1,333/mo
Median Rent
2.3%
Unemployment
Community
40.4
Median Age
663
People / sq mi
38.2%
College Educated
78.7%
Homeownership
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Frequently asked questions

Is Centreville, MD tap water safe to drink?

Centreville's water quality earned a grade of B (78.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #59 out of 107 cities tested in Maryland.

What contaminants are in Centreville's water?

Lead was measured at 5.0 ppb (90th percentile). 1 PFAS compound was detected. 49 violations are on record.

How is Centreville'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 Centreville?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Centreville's water come from?

Centreville's water is sourced from Groundwater. The city has 1 water system serving approximately 3,322 residents.

What health violations has Centreville's water system had?

Centreville has 5 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Centreville's groundwater at risk of contamination?

Centreville 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 49 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 Centreville's water compare to other cities?

Centreville ranks #59 out of 107 cities in Maryland (better than 45% of state cities) and #8664 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.