WaterVerge

Is Huntingtown, MD Tap Water Safe to Drink?

Graded B-, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

526 residents served 2 water systems PWSID: MD1040022
Overall Score
70.6 / 100
Violations
16 active
Last Updated
May 2026
Source
Groundwater
#73 of 107 in Maryland Top 68% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
70.6/100
waterverge.com
B- 70.6/100

Huntingtown, MD — Water Quality Report

Huntingtown's drinking water received a grade of B- (70.6 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 526 residents using groundwater.

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 52 violations on record, including 7 health-based violations. 16 remain unresolved.

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

What to know about Huntingtown's water

Huntingtown ranks #73 out of 107 cities in Maryland for water quality, placing it below average in the state.

Huntingtown 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, Huntingtown may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
70.6 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
23.6/45
D
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
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Huntingtown, MD water safe to drink?

Concerns Identified

Huntingtown's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (70.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 526 residents using groundwater (wells).

16
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Huntingtown

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Huntingtown's water quality assessment. Grade: B- (70.6/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
4 drinking water violations recorded

2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
TROPICAL STORM ISAIAS

Federal disaster declaration (FEMA DR-4583). Hurricane event — may have impacted local water infrastructure.

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 Huntingtown's water supply.

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

Well within EPA limits.

Violation history

Huntingtown's water system has 52 total violations on record, including 7 health-based violations. 16 remain unresolved. 8 violations were issued in the last 5 years.

OtherTTRPTMRMONMCL
Most recent violations:
Oct 2025 Consumer Confidence Rule Open
Jul 2025 Consumer Confidence Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Calvert County has experienced 10 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.

TROPICAL STORM ISAIAS
Hurricane FEMA DR-4583
HURRICANE SANDY
Hurricane FEMA DR-4091
HURRICANE SANDY
Hurricane FEMA DR-3349

Where does Huntingtown's water come from?

Huntingtown's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 526 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Huntingtown residents can do

Install a water filter

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

Huntingtown'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

52
Total violations
7
Health-based
16
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

52 Total
16 Active
7 Health-based
36 Resolved
2 SNC
Violations by category
Total Coliform Rule
17
Inorganic Chemicals
9
Consumer Confidence Rule
5
Lead and Copper Rule
5
Lead and Copper Rule Revisions
4
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1998 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2024 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jul 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2016
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
May 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2016
Showing 20 of 52 violations
Industrial pollution

Top industrial polluters within 10 miles of Huntingtown

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
SMO BARSTOW PLANT
Other · STAR GROUP LP
PRINCE FREDERICK, MD20678
7.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Calvert 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)
10.7%
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

10
Declared disasters
Feb 2021
Most recent
Hurricane
Most common type

Calvert County has experienced 10 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Feb 2021
TROPICAL STORM ISAIAS
Hurricane FEMA #4583
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

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 decreased by 5.0 ppb from 1993 (5.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Huntingtown compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
526
Water Systems
2
Water Source

Where Huntingtown's water comes from

Groundwater

Huntingtown'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 526 people through 2 water systems.

Infrastructure

Water systems serving Huntingtown

System Name PWSID Population Source
THE CALVERTON SCHOOL MD1040022 461 GW
B&L MOBILE HOME PARK MD0040209 65 GW
Regional Comparison

How Huntingtown compares

Full Maryland rankings →

Huntingtown's score of 70.6/100 is above the average of 60/100 among major Maryland cities. It outscores 7 of 10 nearby cities.

Huntingtown (this city)
70.6
Laurel
95
Baltimore
39.8
Frederick
37.5
Maryland avg
60
City Profile

About Huntingtown, MD

Economic Profile
$175,341
Median Income
$528,953
Median Home Value
2.3%
Unemployment
Community
49.8
Median Age
135
People / sq mi
39.5%
College Educated
92%
Homeownership
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Frequently asked questions

Is Huntingtown, MD tap water safe to drink?

Huntingtown's water quality earned a grade of B- (70.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #73 out of 107 cities tested in Maryland.

What contaminants are in Huntingtown's water?

Lead was measured at 0.0 ppb (90th percentile). 52 violations are on record.

How is Huntingtown'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 Huntingtown?

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

Where does Huntingtown's water come from?

Huntingtown's water is sourced from Groundwater. The city has 2 water systems serving approximately 526 residents.

What health violations has Huntingtown's water system had?

Huntingtown has 7 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.

Is Huntingtown's groundwater at risk of contamination?

Huntingtown 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 52 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 Huntingtown's water compare to other cities?

Huntingtown ranks #73 out of 107 cities in Maryland (better than 32% of state cities) and #10711 out of 15744 cities nationally (32th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.