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LONDONDERRY COURT MHP

PWS ID: PA1150019 · NORTH EAST, Pennsylvania 21901

LONDONDERRY COURT MHP serves 160 people in NORTH EAST, Pennsylvania using Surface Water water sources. It has 380 recorded EPA violations, including 45 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LONDONDERRY COURT MHP

LONDONDERRY COURT MHP is a private-owned community water system that delivers drinking water to 160 residents in NORTH EAST, Pennsylvania (Chester County) through 55 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 380 total violations for this system , of which 45 (12%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 296 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 40 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 Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. LONDONDERRY COURT MHP's 380 violations sit above the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
160
Total Violations
380
Health-Based Violations
45
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
55
County
Chester
School/Daycare
No
MCL Violations
38
Monitoring Violations
296
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 40 2015
Chlorine MR 33 2025
Nitrate MCL 28 2013
Surface Water Treatment Rule MR 27 2025
Lead and Copper Rule MR 14 2018
Atrazine MR 14 2009
Coliform (TCR) MR 13 2016
Public Notice Other 12 2012
Consumer Confidence Rule Other 11 2013
Nitrite MR 8 2015
Cadmium MR 8 2015
Selenium MR 8 2015
Coliform (TCR) MCL 8 1993
Beryllium, Total MR 7 2015
Arsenic MR 7 2015
Antimony, Total MR 7 2015
Thallium, Total MR 7 2015
Lead and Copper Rule TT 7 2007
Radium-226 MR 6 2015
Barium MR 6 2015
Chromium MR 6 2015
Revised Total Coliform Rule MON 6 2020
Fluoride MR 6 2015
Radium-228 MR 6 2015
Mercury MR 6 2015
Gross Alpha, Excl. Radon and U MR 6 2015
CYANIDE MR 5 2015
Nickel MR 5 2015
Asbestos MR 5 2022
Groundwater Rule Other 5 2023

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 LONDONDERRY COURT MHP.

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 PA1150019 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects LONDONDERRY COURT MHP under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP — Bureau of Safe Drinking Water

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 Chlorine MR 33 SDWIS / PA1150019 / 0999
2025 Surface Water Treatment Rule MR 27 SDWIS / PA1150019 / 0200
2023 Groundwater Rule Other 5 SDWIS / PA1150019 / 0700
2023 Revised Total Coliform Rule RPT 3 SDWIS / PA1150019 / 8000
2022 Asbestos MR 5 SDWIS / PA1150019 / 1094
2020 Revised Total Coliform Rule MON 6 SDWIS / PA1150019 / 8000
2018 Lead and Copper Rule MR 14 SDWIS / PA1150019 / 5000
2016 Coliform (TCR) MR 13 SDWIS / PA1150019 / 3100
2016 Revised Total Coliform Rule Other 1 SDWIS / PA1150019 / 8000
2015 Nitrate MR 40 SDWIS / PA1150019 / 1040
2015 Nitrite MR 8 SDWIS / PA1150019 / 1041
2015 Cadmium MR 8 SDWIS / PA1150019 / 1015
2015 Selenium MR 8 SDWIS / PA1150019 / 1045
2015 Beryllium, Total MR 7 SDWIS / PA1150019 / 1075
2015 Arsenic MR 7 SDWIS / PA1150019 / 1005

How LONDONDERRY COURT MHP Compares

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

Metric LONDONDERRY COURT MHP Pennsylvania avg Federal benchmark
Total violations 380 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 45 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 160 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

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 LONDONDERRY COURT MHP water safe to drink? ▼
LONDONDERRY COURT MHP (PWS ID: PA1150019) has 380 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 160 people using Surface Water sources.
How many people does LONDONDERRY COURT MHP serve? ▼
LONDONDERRY COURT MHP serves 160 people in NORTH EAST, Pennsylvania. It is a Private-owned system using Surface Water water sources with 55 service connections.
What type of violations does LONDONDERRY COURT MHP have? ▼
LONDONDERRY COURT MHP has 380 total violations: 45 health-based violations (MCL exceedances or treatment failures), 296 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LONDONDERRY COURT MHP water? ▼
No PFAS testing data is available for LONDONDERRY COURT MHP under the EPA's UCMR5 monitoring program.
What water source does LONDONDERRY COURT MHP use? ▼
LONDONDERRY COURT MHP uses Surface Water 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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