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Community Water System · PWS MD0090221

Reliance Mobile Home Park

Maryland - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
265
EPA violations
59
Health-based
Untested
UCMR5 result

The verdict

EPA records 265 drinking-water violations at Reliance Mobile Home Park, 22% of them health-based - above the Maryland per-system average.

265
Total EPA violations on record
22%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Reliance Mobile Home Park

Reliance Mobile Home Park is a private-owned community water system that delivers drinking water to 200 residents in Maryland (Dorchester County) through 75 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 265 total violations for this system , of which 59 (22%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 173 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 133 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%).

Reliance Mobile Home Park's 265 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
200
Total Violations
265
Health-Based Violations
59
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
75
County
Dorchester
School/Daycare
No
MCL Violations
44
Monitoring Violations
173
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 133 2014
Coliform (TCR) MCL 38 2014
Lead and Copper Rule MR 32 2022
Public Notice Other 21 2014
Consumer Confidence Rule Other 11 2015
Lead and Copper Rule TT 11 2019
Fluoride MR 8 1993
Nitrate MCL 6 2019
Revised Total Coliform Rule TT 3 2016
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 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 Reliance 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 MD0090221 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 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / MD0090221 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / MD0090221 / 5200
2022 Lead and Copper Rule MR 32 SDWIS / MD0090221 / 5000
2019 Lead and Copper Rule TT 11 SDWIS / MD0090221 / 5000
2019 Nitrate MCL 6 SDWIS / MD0090221 / 1040
2016 Revised Total Coliform Rule TT 3 SDWIS / MD0090221 / 8000
2015 Consumer Confidence Rule Other 11 SDWIS / MD0090221 / 7000
2014 Coliform (TCR) MR 133 SDWIS / MD0090221 / 3100
2014 Coliform (TCR) MCL 38 SDWIS / MD0090221 / 3100
2014 Public Notice Other 21 SDWIS / MD0090221 / 7500
1993 Fluoride MR 8 SDWIS / MD0090221 / 1025

How Reliance Mobile Home Park Compares

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

Metric Reliance Mobile Home Park Maryland avg Federal benchmark
Total violations 265 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 59 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 200 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 Reliance Mobile Home Park water safe to drink? ▼
Reliance Mobile Home Park (PWS ID: MD0090221) has 265 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Reliance Mobile Home Park serve? ▼
Reliance Mobile Home Park serves 200 people in Maryland. It is a Private-owned system using Groundwater water sources with 75 service connections.
What type of violations does Reliance Mobile Home Park have? ▼
Reliance Mobile Home Park has 265 total violations: 59 health-based violations (MCL exceedances or treatment failures), 173 monitoring/reporting violations, and 15 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Reliance Mobile Home Park water? ▼
No PFAS testing data is available for Reliance Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Reliance Mobile Home Park use? ▼
Reliance 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.