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NIELSEN MOBILE HOME PARK [MARSH CREEK]

PWS ID: MD0050218 · EASTON, Maryland 21601

NIELSEN MOBILE HOME PARK [MARSH CREEK] serves 35 people in EASTON, Maryland using Groundwater water sources. It has 57 recorded EPA violations, including 20 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NIELSEN MOBILE HOME PARK [MARSH CREEK]

NIELSEN MOBILE HOME PARK [MARSH CREEK] is a private-owned community water system that delivers drinking water to 35 residents in EASTON, Maryland (Caroline County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 57 total violations for this system , of which 20 (35%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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. NIELSEN MOBILE HOME PARK [MARSH CREEK]'s 57 violations sit above the Maryland average. Statewide, 50 of 83 UCMR5-tested systems have reported PFAS detections (60.2%). 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
35
Total Violations
57
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Caroline
School/Daycare
No
MCL Violations
16
Monitoring Violations
31
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 16 2014
Coliform (TCR) MCL 16 2013
Lead and Copper Rule MR 15 2013
Lead and Copper Rule TT 4 1999
Public Notice Other 4 2013
Consumer Confidence Rule Other 2 2012

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 NIELSEN MOBILE HOME PARK [MARSH CREEK].

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 MD0050218 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
2014 Coliform (TCR) MR 16 SDWIS / MD0050218 / 3100
2013 Coliform (TCR) MCL 16 SDWIS / MD0050218 / 3100
2013 Lead and Copper Rule MR 15 SDWIS / MD0050218 / 5000
2013 Public Notice Other 4 SDWIS / MD0050218 / 7500
2012 Consumer Confidence Rule Other 2 SDWIS / MD0050218 / 7000
1999 Lead and Copper Rule TT 4 SDWIS / MD0050218 / 5000

How NIELSEN MOBILE HOME PARK [MARSH CREEK] Compares

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

Metric NIELSEN MOBILE HOME PARK [MARSH CREEK] Maryland avg Federal benchmark
Total violations 57 18.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 20 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 35 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NIELSEN MOBILE HOME PARK [MARSH CREEK] water safe to drink?
NIELSEN MOBILE HOME PARK [MARSH CREEK] (PWS ID: MD0050218) has 57 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 35 people using Groundwater sources.
How many people does NIELSEN MOBILE HOME PARK [MARSH CREEK] serve?
NIELSEN MOBILE HOME PARK [MARSH CREEK] serves 35 people in EASTON, Maryland. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does NIELSEN MOBILE HOME PARK [MARSH CREEK] have?
NIELSEN MOBILE HOME PARK [MARSH CREEK] has 57 total violations: 20 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NIELSEN MOBILE HOME PARK [MARSH CREEK] water?
No PFAS testing data is available for NIELSEN MOBILE HOME PARK [MARSH CREEK] under the EPA's UCMR5 monitoring program.
What water source does NIELSEN MOBILE HOME PARK [MARSH CREEK] use?
NIELSEN MOBILE HOME PARK [MARSH CREEK] 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial