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Community Water System · PWS MD0120215

Swan Harbour Dell Mobile Home Park

Havre de Grace, Maryland 21078 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
105
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 105 drinking-water violations at Swan Harbour Dell Mobile Home Park - above the Maryland per-system average.

105
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Swan Harbour Dell Mobile Home Park

Swan Harbour Dell Mobile Home Park is a private-owned community water system that delivers drinking water to 500 residents in Havre de Grace, Maryland (Harford County) through 160 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 98 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 Nitrate, recorded in 20 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Swan Harbour Dell Mobile Home Park's 105 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
500
Total Violations
105
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
160
County
Harford
School/Daycare
No
MCL Violations
0
Monitoring Violations
98
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 20 2017
Revised Total Coliform Rule MON 11 2017
Lead and Copper Rule MR 7 2022
Coliform (TCR) MR 6 1995
Tetrachloroethylene MR 5 2010
Consumer Confidence Rule Other 5 2025
Trichloroethylene MR 5 2010
Total Haloacetic Acids (HAA5) MR 3 2017
TTHM MR 3 2017
1,2,4-Trichlorobenzene MR 2 2000
1,2-Dichloroethane MR 2 2000
1,1,1-Trichloroethane MR 2 2000
Carbon tetrachloride MR 2 2000
1,1,2-Trichloroethane MR 2 2000
CHLOROBENZENE MR 2 2000
Toluene MR 2 2000
Xylenes, Total MR 2 2000
o-Dichlorobenzene MR 2 2000
p-Dichlorobenzene MR 2 2000
Vinyl chloride MR 2 2000
1,1-Dichloroethylene MR 2 2000
trans-1,2-Dichloroethylene MR 2 2000
Benzene MR 2 2000
1,2-Dichloropropane MR 2 2000
Styrene MR 2 2000
cis-1,2-Dichloroethylene MR 2 2000
Ethylbenzene MR 2 2000
DICHLOROMETHANE MR 2 2000

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 Swan Harbour Dell Mobile Home Park.

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 MD0120215 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 Consumer Confidence Rule Other 5 SDWIS / MD0120215 / 7000
2022 Lead and Copper Rule MR 7 SDWIS / MD0120215 / 5000
2017 Nitrate MR 20 SDWIS / MD0120215 / 1040
2017 Revised Total Coliform Rule MON 11 SDWIS / MD0120215 / 8000
2017 Total Haloacetic Acids (HAA5) MR 3 SDWIS / MD0120215 / 2456
2017 TTHM MR 3 SDWIS / MD0120215 / 2950
2010 Tetrachloroethylene MR 5 SDWIS / MD0120215 / 2987
2010 Trichloroethylene MR 5 SDWIS / MD0120215 / 2984
2000 1,2,4-Trichlorobenzene MR 2 SDWIS / MD0120215 / 2378
2000 1,2-Dichloroethane MR 2 SDWIS / MD0120215 / 2980
2000 1,1,1-Trichloroethane MR 2 SDWIS / MD0120215 / 2981
2000 Carbon tetrachloride MR 2 SDWIS / MD0120215 / 2982
2000 1,1,2-Trichloroethane MR 2 SDWIS / MD0120215 / 2985
2000 CHLOROBENZENE MR 2 SDWIS / MD0120215 / 2989
2000 Toluene MR 2 SDWIS / MD0120215 / 2991

How Swan Harbour Dell Mobile Home Park Compares

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

Metric Swan Harbour Dell Mobile Home Park Maryland avg Federal benchmark
Total violations 105 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 500 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 Swan Harbour Dell Mobile Home Park water safe to drink? ▼
Swan Harbour Dell Mobile Home Park (PWS ID: MD0120215) has 105 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Swan Harbour Dell Mobile Home Park serve? ▼
Swan Harbour Dell Mobile Home Park serves 500 people in Havre de Grace, Maryland. It is a Private-owned system using Groundwater water sources with 160 service connections.
What type of violations does Swan Harbour Dell Mobile Home Park have? ▼
Swan Harbour Dell Mobile Home Park has 105 total violations: 0 health-based violations (MCL exceedances or treatment failures), 98 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Swan Harbour Dell Mobile Home Park water? ▼
No PFAS testing data is available for Swan Harbour Dell Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Swan Harbour Dell Mobile Home Park use? ▼
Swan Harbour Dell Mobile Home Park 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.