Historical Compliance Records CT

New London Department of Public Utilities

EPA ID: CT0950011 ยท 27,620 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA records for New London Department of Public Utilities (CT0950011): 3 violations on record since 2021. 3 violations on file at New London Department of Public Utilities, none open; 27,620 people served.

Data: EPA SDWIS

C ยท 64
Avg Safety Score
27,620
People Served
2
ZIP Codes Served
3
Violations (since 2021)
Surface Water
Water Source
Below the reporting limit
Most recent lead 90th percentile on record (monitoring period ending 2025-12-31)
Zone 1
County Radon Potential ยท High
1
Contaminants Flagged
$285K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for New London Department of Public Utilities Source: EPA SDWIS service area boundaries.

Service area boundary - average Home Safety grade of mapped ZIPs: C

Demographics of ZIP Codes Served

$85,300
Median Household Income
43,175
Population of ZIP Codes Served (Census)
17%
Disadvantaged Population
40th
Poverty Percentile
60th
Energy Burden Percentile
80%
Pre-1986 Housing

The ZIP codes associated with New London Department of Public Utilities have a median household income of $85,300 and about 43,175 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

New London Department of Public Utilities's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Moderate Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
60th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.

Infrastructure Risk

73 yr
Estimated pipe age (modeled from housing age)
Galvanized Steel or Copper
Likely pipe material (modeled)
0 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 100% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in Connecticut

C 0 violations
Groton Utilities
30,200 people
C 1 violation
C 0 violations
D 0 violations
Windham Water Works
21,214 people
B 1 violation

Cost of Inaction

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $500

Annual per household (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

New London Department of Public Utilities (EPA ID: CT0950011) is a community water system in Connecticut that serves approximately 27,620 people from surface water sources.

This system provides water to 2 ZIP codes across 2 communities.

ZIP-Area Home Safety Context: C (64/100)

This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 3 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 3 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
July 1, 2025 Consumer Confidence Rule Non-health-based Resolved
July 1, 2024 Consumer Confidence Rule Non-health-based Resolved
July 1, 2023 Consumer Confidence Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Consumer Confidence Rule Other (notice or report rule) 3 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
Below the reporting limit No 2025-12-31

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

2 of 2 ZIP records with known zones are in EPA Radon Zone 1.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CT or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for New London Department of Public Utilities (CT0950011) on EPA.gov.

Frequently Asked Questions

Is New London Department of Public Utilities water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for New London Department of Public Utilities; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does New London Department of Public Utilities serve?

New London Department of Public Utilities serves approximately 27,620 people across 2 ZIP codes in Connecticut.

Where does New London Department of Public Utilities get its water?

The primary water source is surface water.

Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.

Samples collected
116

EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

How Water Systems Appear in Rankings

Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.

Frequently Asked Questions

Is water from New London Department of Public Utilities safe to drink? ▼
New London Department of Public Utilities has 3 recorded violations since 2021. The C shown is a ZIP-area score, not a grade for this utility; see the violation table for what was violated.
Should I use a water filter? ▼
Given 3 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does New London Department of Public Utilities serve? ▼
New London Department of Public Utilities serves approximately 27,620 people with drinking water across 2 ZIP codes.
What is New London Department of Public Utilities's water source? ▼
New London Department of Public Utilities draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in New London Department of Public Utilities's water? ▼
The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero. This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with New London Department of Public Utilities? ▼
The ZIP codes mapped to New London Department of Public Utilities have a median household income of $85,300 (Census ZIP-code estimate). Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does New London Department of Public Utilities get its water? ▼
New London Department of Public Utilities's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on the available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). New London Department of Public Utilities: 3 EPA Violations. https://zipcheckup.com/water-system/ct0950011/
BibTeX
@misc{zipcheckup-water-system-ct0950011,
  author = {{ZipCheckup}},
  title  = {{New London Department of Public Utilities: 3 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ct0950011/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

New London Department of Public Utilities (EPA ID: CT0950011) - request the latest Consumer Confidence Report or ask about specific contaminants.

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