WaterVerge

Is Perryville, MD Tap Water Safe to Drink?

Graded D, with 76 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 4 water systems PWSID: MD0070018
Overall Score
45 / 100
Violations
76 active
Last Updated
May 2026
Source
Surface water
#96 of 107 in Maryland Top 91% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
45/100
waterverge.com
D 45/100

Perryville, MD — Water Quality Report

Perryville's drinking water received a grade of D (45 out of 100), indicating poor water quality. The city's 4 water systems serve approximately 4,696 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 281 violations on record, including 48 health-based violations. 76 remain unresolved.

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

What to know about Perryville's water

Perryville ranks #96 out of 107 cities in Maryland for water quality, placing it among the lowest-rated 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.

The system has seen 52 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
45 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
16/20
B
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Perryville, MD water safe to drink?

Concerns Identified

Perryville's drinking water has significant quality concerns based on EPA testing data. With a grade of D (45/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 4,696 residents using surface water (rivers, lakes, or reservoirs).

76
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Perryville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Perryville's water quality assessment. Grade: D (45/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
17 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, TTHM, Methoxychlor.

Violation
16 drinking water violations recorded

1 health-based. Contaminants: Heptachlor, HEXACHLOROBENZENE, TTHM.

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 Perryville's water supply.

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

Well within EPA limits.

Violation history

Perryville's water system has 281 total violations on record, including 48 health-based violations. 76 remain unresolved. 52 violations were issued in the last 5 years.

MCLRPTMRTTOtherMON
Most recent violations:
Oct 2025 TTHM Resolved
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 TTHM Resolved
Jul 2025 Methoxychlor Resolved
Jul 2025 Simazine Resolved

Flood & environmental risk

Cecil County has experienced 10 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 Susquehanna River, Octoraro Creek Near Richardsmere, Deer Creek, Ches Bay At Mouth Of Susq R At Havre De Grace, Swan Creek.

HURRICANE SANDY
Hurricane FEMA DR-4091
HURRICANE SANDY
Hurricane FEMA DR-3349
REMNANTS OF TROPICAL STORM LEE
Flood FEMA DR-4038

Where does Perryville's water come from?

Perryville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 4,696 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Susquehanna River (river), Octoraro Creek Near Richardsmere (river), Deer Creek (river), Ches Bay At Mouth Of Susq R At Havre De Grace (stream), Swan Creek (river).

What Perryville residents can do

Install a water filter

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

Perryville'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
PFAS Testing

Forever chemicals overview

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

Violation summary

281
Total violations
48
Health-based
76
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

281 Total
76 Active
48 Health-based
205 Resolved
9 SNC
Violations by category
Synthetic Organic Chemicals
68
Inorganic Chemicals
35
Consumer Confidence Rule
32
Stage 1 Disinfectants and Disinfection Byproducts Rule
28
Revised Total Coliform Rule
25
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 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
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Mar 2023 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Public Notice
Other Violation 0
Apr 2022 Active
Public Notice
Other Violation 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Public Notice
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jun 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
May 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Apr 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Showing 20 of 281 violations
Industrial pollution

Top industrial polluters within 10 miles of Perryville

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
MARYLAND PAVING INC
Petroleum · GRAY & SON INC
ABERDEEN, MD21001
9.1 mi
U.S. ARMY ABERDEEN PROVING GROUND
Other · US DEPARTMENT OF DEFENSE
ABERDEEN PROVING GROUND, MD21005
6.9 mi
HARFORD SYSTEMS LLC
Fabricated Metals · NA
ABERDEEN, MD21001
5.1 mi
CYTEC ENGINEERED INC
Chemicals · SYENSQO HOLDING INC
HAVRE DE GRACE, MD21078
3.5 mi
TANNER INDUSTRIES INC
Chemical Wholesalers · TANNER INDUSTRIES INC
HAVRE DE GRACE, MD21078
3.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Perryville

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D2 — severe drought

Cecil 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)
12.2%
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

10
Declared disasters
Nov 2012
Most recent
Hurricane
Most common type

Cecil County has experienced 10 federally declared disasters since 1975. 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
Oct 2011
REMNANTS OF TROPICAL STORM LEE
Flood FEMA #4038
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
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 ND HI µg/L PFAS Not 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 12.7 ppb from 1993 (14.0 ppb) to 2024 (1.3 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
4,696
Water Systems
4
Source breakdown
Groundwater
2
Surface Water
1
Purchased Groundwater
1
Water Source

Where Perryville's water comes from

Surface Water

Perryville'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 local government ownership and serves approximately 4,696 people through 4 water systems.

Local Hydrology

Water bodies near Perryville

Perryville is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Susquehanna River
river
Octoraro Creek Near Richardsmere
river
Deer Creek
river
Ches Bay At Mouth Of Susq R At Havre De Grace
stream
Swan Creek
river
Infrastructure

Water systems serving Perryville

System Name PWSID Population Source
TOWN OF PERRYVILLE MD0070018 4,413 SW
MEADOW BROOK M H P PA4410154 224 GW
CHESTNUT POINT ESTATES DISTRIBUTION SYS. MD0070251 32 GWP
GRAYMOUNT APARTMENTS MD0070203 27 GW
Regional Comparison

How Perryville compares

Full Maryland rankings →

Perryville's score of 45/100 is below the average of 60/100 among major Maryland cities. It outscores 5 of 10 nearby cities.

Perryville (this city)
45
Laurel
95
Baltimore
39.8
Frederick
37.5
Maryland avg
60
City Profile

About Perryville, MD

Wikipedia →

Perryville is a town in Cecil County, Maryland, United States. As of the 2020 census, Perryville had a population of 4,391. The town is located near an exit for Interstate 95, on the north side of the outlet of the Susquehanna River.

Economic Profile
$71,579
Median Income
$289,501
Median Home Value
$1,056/mo
Median Rent
5.3%
Unemployment
Community
40.8
Median Age
532
People / sq mi
24.8%
College Educated
67.1%
Homeownership
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Frequently asked questions

Is Perryville, MD tap water safe to drink?

Perryville's water quality earned a grade of D (45/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #96 out of 107 cities tested in Maryland.

What contaminants are in Perryville's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 281 violations are on record.

How is Perryville'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 Perryville?

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

Where does Perryville's water come from?

Perryville's water is sourced from Surface water. The city has 4 water systems serving approximately 4,696 residents.

What health violations has Perryville's water system had?

Perryville has 48 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. 76 violations remain unresolved.

How does Perryville's water compare to other cities?

Perryville ranks #96 out of 107 cities in Maryland (better than 10% of state cities) and #14242 out of 15744 cities nationally (10th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.