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TUNNEL HILL MOBILE HOME PARK

PWS ID: CT0731011 · SOUTHFIELD, Connecticut 48076

TUNNEL HILL MOBILE HOME PARK serves 40 people in SOUTHFIELD, Connecticut using Groundwater water sources. It has 26 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TUNNEL HILL MOBILE HOME PARK

TUNNEL HILL MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 40 residents in SOUTHFIELD, Connecticut (New London County) through 29 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 6 (23%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 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. TUNNEL HILL MOBILE HOME PARK's 26 violations sit below 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
40
Total Violations
26
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
29
County
New London
School/Daycare
No
MCL Violations
6
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2011
Consumer Confidence Rule Other 5 2023
Lead and Copper Rule MR 4 1994
Revised Total Coliform Rule MON 4 2017
Coliform (TCR) MR 2 2003

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 TUNNEL HILL 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 CT0731011 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
2023 Consumer Confidence Rule Other 5 SDWIS / CT0731011 / 7000
2017 Revised Total Coliform Rule MON 4 SDWIS / CT0731011 / 8000
2011 Coliform (TCR) MCL 6 SDWIS / CT0731011 / 3100
2003 Coliform (TCR) MR 2 SDWIS / CT0731011 / 3100
1994 Lead and Copper Rule MR 4 SDWIS / CT0731011 / 5000

How TUNNEL HILL MOBILE HOME PARK Compares

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

Metric TUNNEL HILL MOBILE HOME PARK Connecticut avg Federal benchmark
Total violations 26 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 40 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 TUNNEL HILL MOBILE HOME PARK water safe to drink?
TUNNEL HILL MOBILE HOME PARK (PWS ID: CT0731011) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does TUNNEL HILL MOBILE HOME PARK serve?
TUNNEL HILL MOBILE HOME PARK serves 40 people in SOUTHFIELD, Connecticut. It is a Private-owned system using Groundwater water sources with 29 service connections.
What type of violations does TUNNEL HILL MOBILE HOME PARK have?
TUNNEL HILL MOBILE HOME PARK has 26 total violations: 6 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TUNNEL HILL MOBILE HOME PARK water?
No PFAS testing data is available for TUNNEL HILL MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does TUNNEL HILL MOBILE HOME PARK use?
TUNNEL HILL 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.

Related

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