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C E MURPHY SCHOOL

PWS ID: CT0869033 · OAKDALE, Connecticut 06370

C E MURPHY SCHOOL serves 520 people in OAKDALE, Connecticut using Groundwater water sources. It has 217 recorded EPA violations, including 20 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: C E MURPHY SCHOOL

C E MURPHY SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 520 residents in OAKDALE, Connecticut (New London County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 217 total violations for this system , of which 20 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 193 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 19 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. C E MURPHY SCHOOL's 217 violations sit above the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). 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
520
Total Violations
217
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
New London
School/Daycare
Yes
MCL Violations
19
Monitoring Violations
193
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 19 2012
Coliform (TCR) MR 6 2012
BHC-GAMMA MR 4 2011
Methoxychlor MR 4 2011
Dalapon MR 4 2011
Aldicarb sulfoxide MR 4 2011
Aldicarb MR 4 2011
Atrazine MR 4 2011
2,4-D MR 4 2011
Pentachlorophenol MR 4 2011
Total Polychlorinated Biphenyls (PCB) MR 4 2011
Endrin MR 4 2011
Diquat MR 4 2011
Glyphosate MR 4 2011
Di(2-ethylhexyl) adipate MR 4 2011
OXAMYL MR 4 2011
Di(2-ethylhexyl) phthalate MR 4 2011
Picloram MR 4 2011
Dinoseb MR 4 2011
Aldicarb sulfone MR 4 2011
Carbofuran MR 4 2011
Heptachlor epoxide MR 4 2011
2,4,5-TP MR 4 2011
HEXACHLOROBENZENE MR 4 2011
Benzo(a)pyrene MR 4 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2011
ETHYLENE DIBROMIDE MR 4 2011
Chlordane MR 4 2011
LASSO MR 4 2011
Hexachlorocyclopentadiene MR 4 2011

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 C E MURPHY SCHOOL.

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 CT0869033 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut'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 CT 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 TT 1 SDWIS / CT0869033 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT0869033 / 5200
2013 Public Notice Other 3 SDWIS / CT0869033 / 7500
2012 Coliform (TCR) MCL 19 SDWIS / CT0869033 / 3100
2012 Coliform (TCR) MR 6 SDWIS / CT0869033 / 3100
2011 BHC-GAMMA MR 4 SDWIS / CT0869033 / 2010
2011 Methoxychlor MR 4 SDWIS / CT0869033 / 2015
2011 Dalapon MR 4 SDWIS / CT0869033 / 2031
2011 Aldicarb sulfoxide MR 4 SDWIS / CT0869033 / 2043
2011 Aldicarb MR 4 SDWIS / CT0869033 / 2047
2011 Atrazine MR 4 SDWIS / CT0869033 / 2050
2011 2,4-D MR 4 SDWIS / CT0869033 / 2105
2011 Pentachlorophenol MR 4 SDWIS / CT0869033 / 2326
2011 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / CT0869033 / 2383
2011 Endrin MR 4 SDWIS / CT0869033 / 2005

How C E MURPHY SCHOOL Compares

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

Metric C E MURPHY SCHOOL Connecticut avg Federal benchmark
Total violations 217 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 20 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 520 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

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 C E MURPHY SCHOOL water safe to drink? ▼
C E MURPHY SCHOOL (PWS ID: CT0869033) has 217 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 520 people using Groundwater sources.
How many people does C E MURPHY SCHOOL serve? ▼
C E MURPHY SCHOOL serves 520 people in OAKDALE, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does C E MURPHY SCHOOL have? ▼
C E MURPHY SCHOOL has 217 total violations: 20 health-based violations (MCL exceedances or treatment failures), 193 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in C E MURPHY SCHOOL water? ▼
No PFAS testing data is available for C E MURPHY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does C E MURPHY SCHOOL use? ▼
C E MURPHY SCHOOL uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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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