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CONOWINGO MOBILE HOME PARK

PWS ID: MD0070214 · LANCASTER, Maryland 17601

CONOWINGO MOBILE HOME PARK serves 250 people in LANCASTER, Maryland using Groundwater water sources. It has 108 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CONOWINGO MOBILE HOME PARK

CONOWINGO MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 250 residents in LANCASTER, Maryland (Cecil County) through 100 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 108 total violations for this system , of which 11 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 81 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 Lead and Copper Rule, recorded in 47 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. CONOWINGO MOBILE HOME PARK's 108 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
250
Total Violations
108
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
100
County
Cecil
School/Daycare
No
MCL Violations
10
Monitoring Violations
81
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 47 2014
Coliform (TCR) MCL 10 2012
Consumer Confidence Rule Other 6 2017
Nitrate MR 5 2001
Public Notice Other 4 2010
Asbestos MR 4 1993
Coliform (TCR) MR 3 2013
Nitrite MR 2 1993
Fluoride MR 2 1993
Cadmium MR 2 1993
Selenium MR 2 1993
Antimony, Total MR 2 1993
Beryllium, Total MR 2 1993
Nickel MR 2 1993
Barium MR 2 1993
Mercury MR 2 1993
Thallium, Total MR 2 1993
Chromium MR 2 1993
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 CONOWINGO 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 MD0070214 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 / MD0070214 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / MD0070214 / 5200
2017 Consumer Confidence Rule Other 6 SDWIS / MD0070214 / 7000
2014 Lead and Copper Rule MR 47 SDWIS / MD0070214 / 5000
2013 Coliform (TCR) MR 3 SDWIS / MD0070214 / 3100
2012 Coliform (TCR) MCL 10 SDWIS / MD0070214 / 3100
2010 Public Notice Other 4 SDWIS / MD0070214 / 7500
2001 Nitrate MR 5 SDWIS / MD0070214 / 1040
1993 Asbestos MR 4 SDWIS / MD0070214 / 1094
1993 Nitrite MR 2 SDWIS / MD0070214 / 1041
1993 Fluoride MR 2 SDWIS / MD0070214 / 1025
1993 Cadmium MR 2 SDWIS / MD0070214 / 1015
1993 Selenium MR 2 SDWIS / MD0070214 / 1045
1993 Antimony, Total MR 2 SDWIS / MD0070214 / 1074
1993 Beryllium, Total MR 2 SDWIS / MD0070214 / 1075

How CONOWINGO MOBILE HOME PARK Compares

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

Metric CONOWINGO MOBILE HOME PARK Maryland avg Federal benchmark
Total violations 108 18.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 250 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 CONOWINGO MOBILE HOME PARK water safe to drink? ▼
CONOWINGO MOBILE HOME PARK (PWS ID: MD0070214) has 108 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does CONOWINGO MOBILE HOME PARK serve? ▼
CONOWINGO MOBILE HOME PARK serves 250 people in LANCASTER, Maryland. It is a Private-owned system using Groundwater water sources with 100 service connections.
What type of violations does CONOWINGO MOBILE HOME PARK have? ▼
CONOWINGO MOBILE HOME PARK has 108 total violations: 11 health-based violations (MCL exceedances or treatment failures), 81 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CONOWINGO MOBILE HOME PARK water? ▼
No PFAS testing data is available for CONOWINGO MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does CONOWINGO MOBILE HOME PARK use? ▼
CONOWINGO 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.

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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.

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