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Community Water System · PWS MD0230003

Town of Ocean City

Ocean City, Maryland 21842 - drinking water served from groundwater sources to 30,000 people, tracked in EPA SDWIS and UCMR5.

30,000
People served
26
EPA violations
7
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 26 drinking-water violations at Town of Ocean City, 27% of them health-based - above the Maryland per-system average.

26
Total EPA violations on record
27%
Health-based (MCL / treatment failure)
30,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Town of Ocean City

Town of Ocean City is a local-owned community water system that delivers drinking water to 30,000 residents in Ocean City, Maryland (Worcester County) through 7,067 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 7 (27%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Fluoride, recorded in 12 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Maryland, EPA tracks 3,215 public water systems serving 6,070,211 people, with 60,496 cumulative violations and 18,132 health-based violations on record. About 80% of systems in the state carry at least one violation, and state-wide the average per system is 18.8 violations. Statewide, 50 of 83 UCMR5-tested systems have reported PFAS detections (60.2%).

Town of Ocean City's 26 violations sit above the Maryland average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
30,000
Total Violations
26
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,067
County
Worcester
School/Daycare
No
MCL Violations
6
Monitoring Violations
14
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MR 12 2022
TTHM MCL 6 2010
LEAD AND COPPER RULE REVISIONS RPT 2 2025
Lead and Copper Rule MR 2 1997
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/29/2024 <20.00 ppt 20.00 ppt Not Detected
ADONA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/29/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/29/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/29/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/29/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/29/2024 <8.00 ppt 8.00 ppt Not Detected
PFNA 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/29/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/29/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/29/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/29/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/29/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/29/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/29/2024 <8.00 ppt 8.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Town of Ocean City.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MD0230003 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maryland Drinking Water Authority

Maryland's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MD regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / MD0230003 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / MD0230003 / 5200
2022 Fluoride MR 12 SDWIS / MD0230003 / 1025
2010 TTHM MCL 6 SDWIS / MD0230003 / 2950
1997 Lead and Copper Rule MR 2 SDWIS / MD0230003 / 5000

How Town of Ocean City Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Town of Ocean City Maryland avg Federal benchmark
Total violations 26 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 5.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 30,000 1,888 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,215 regulated public water systems in Maryland.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Town of Ocean City water safe to drink?
Town of Ocean City (PWS ID: MD0230003) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 30,000 people using Groundwater sources.
How many people does Town of Ocean City serve?
Town of Ocean City serves 30,000 people in Ocean City, Maryland. It is a Local-owned system using Groundwater water sources with 7,067 service connections.
What type of violations does Town of Ocean City have?
Town of Ocean City has 26 total violations: 7 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Town of Ocean City water?
No. Town of Ocean City was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Town of Ocean City use?
Town of Ocean City uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.