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 SDWIS for New London Department of Public Utilities (CT0950011): 3 EPA violations in the last five years. Five years tracked: New London Department of Public Utilities had 3 violations, all cleared, 27,620 served.

Data: EPA SDWIS

C ยท 64
Avg Safety Score
27,620
People Served
2
ZIP Codes Served
3
Violations (5yr)
Surface Water
Water Source
Zone 1
Radon Risk ยท High
1
Contaminants Flagged
$285K
Median Home Value in Service Area

Service Area Map

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

Service area boundary - Grade C

Service Area Demographics

$85,300
Median Household Income
43,175
Service Area Population
17%
Disadvantaged Population
40th
Poverty Percentile
60th
Energy Burden Percentile
80%
Pre-1986 Housing

The New London Department of Public Utilities serves a community with a median household income of $85,300 and an estimated 43,175 residents across its service area. 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
Avg Pipe Age
Galvanized Steel or Copper
Pipe Material
0 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 100% of expected lifespan used End of life

Detected Contaminants

How New London Department of Public Utilities compares to EPA limits

What This Means For You

Surface Water Treatment Rule at 3 mg/L exceeds the EPA maximum of mg/L.

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

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance
Radon Mitigation $1,200
Flood Insurance $1,200
Total Estimated Cost $2,400

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

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

Compare: Estimated remediation cost is $2,400 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended 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 Surface Water Treatment Rule Non-health-based Resolved
July 1, 2024 Surface Water Treatment Rule Non-health-based Resolved
July 1, 2023 Surface Water Treatment 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
Surface Water Treatment Rule Treatment Failure 3 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0 mg/L No N/A

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

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

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 the full compliance record 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: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
116

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

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 a C safety grade based on 3 recorded violations. Some contaminants may exceed EPA limits - independent testing is recommended.
What contaminants are in New London Department of Public Utilities's water?
Detected contaminants include Surface Water Treatment Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
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.
What is the demographic profile of New London Department of Public Utilities's service area?
The New London Department of Public Utilities service area has a median household income of $85,300. 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 available data, the source contamination risk is moderate.

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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