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Community Water System · PWS MD0200202

Swann Haven Mobile Home Park

Chester, Maryland 21619 - drinking water served from groundwater sources to 44 people, tracked in EPA SDWIS and UCMR5.

44
People served
280
EPA violations
33
Health-based
Untested
UCMR5 result

The verdict

EPA records 280 drinking-water violations at Swann Haven Mobile Home Park, 12% of them health-based - above the Maryland per-system average.

280
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
44
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Swann Haven Mobile Home Park

Swann Haven Mobile Home Park is a private-owned community water system that delivers drinking water to 44 residents in Chester, Maryland (Talbot County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 280 total violations for this system , of which 33 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 228 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 73 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%).

Swann Haven Mobile Home Park's 280 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
44
Total Violations
280
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Talbot
School/Daycare
No
MCL Violations
32
Monitoring Violations
228
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 73 2015
Nitrate MR 38 2023
Fluoride MR 30 2021
Coliform (TCR) MCL 28 2015
Consumer Confidence Rule Other 16 2021
Revised Total Coliform Rule MON 15 2024
Lead and Copper Rule MR 12 2020
Nitrite MR 12 2009
Barium MR 8 1993
Cadmium MR 8 1993
Chromium MR 8 1993
Selenium MR 8 1993
Arsenic MR 8 1993
Mercury MR 8 1993
Nitrate MCL 4 2009
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024

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 Swann Haven 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 MD0200202 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
2024 Revised Total Coliform Rule MON 15 SDWIS / MD0200202 / 8000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / MD0200202 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / MD0200202 / 5200
2023 Nitrate MR 38 SDWIS / MD0200202 / 1040
2021 Fluoride MR 30 SDWIS / MD0200202 / 1025
2021 Consumer Confidence Rule Other 16 SDWIS / MD0200202 / 7000
2020 Lead and Copper Rule MR 12 SDWIS / MD0200202 / 5000
2015 Coliform (TCR) MR 73 SDWIS / MD0200202 / 3100
2015 Coliform (TCR) MCL 28 SDWIS / MD0200202 / 3100
2009 Nitrite MR 12 SDWIS / MD0200202 / 1041
2009 Nitrate MCL 4 SDWIS / MD0200202 / 1040
1993 Barium MR 8 SDWIS / MD0200202 / 1010
1993 Cadmium MR 8 SDWIS / MD0200202 / 1015
1993 Chromium MR 8 SDWIS / MD0200202 / 1020
1993 Selenium MR 8 SDWIS / MD0200202 / 1045

How Swann Haven Mobile Home Park Compares

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

Metric Swann Haven Mobile Home Park Maryland avg Federal benchmark
Total violations 280 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 33 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 44 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 Swann Haven Mobile Home Park water safe to drink? ▼
Swann Haven Mobile Home Park (PWS ID: MD0200202) has 280 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 44 people using Groundwater sources.
How many people does Swann Haven Mobile Home Park serve? ▼
Swann Haven Mobile Home Park serves 44 people in Chester, Maryland. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does Swann Haven Mobile Home Park have? ▼
Swann Haven Mobile Home Park has 280 total violations: 33 health-based violations (MCL exceedances or treatment failures), 228 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Swann Haven Mobile Home Park water? ▼
No PFAS testing data is available for Swann Haven Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Swann Haven Mobile Home Park use? ▼
Swann Haven 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.