PlainWater

283 LITCHFIELD RD, LLC

PWS ID: CT0660414 · HARWINTON, Connecticut 06791-1106

283 LITCHFIELD RD, LLC serves 74 people in HARWINTON, Connecticut using Groundwater water sources. It has 387 recorded EPA violations, including 23 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: 283 LITCHFIELD RD, LLC

283 LITCHFIELD RD, LLC is a private-owned non-transient non-community water system that delivers drinking water to 74 residents in HARWINTON, Connecticut (Litchfield County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 387 total violations for this system , of which 23 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 331 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 30 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 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. 283 LITCHFIELD RD, LLC's 387 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
74
Total Violations
387
Health-Based Violations
23
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Litchfield
School/Daycare
Yes
MCL Violations
14
Monitoring Violations
331
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 30 2016
Coliform (TCR) MCL 14 2014
Lead and Copper Rule MR 13 2014
Lead and Copper Rule TT 9 2014
1,2,4-Trichlorobenzene MR 8 2013
DICHLOROMETHANE MR 8 2013
p-Dichlorobenzene MR 8 2013
Vinyl chloride MR 8 2013
1,1-Dichloroethylene MR 8 2013
1,2-Dichloroethane MR 8 2013
1,1,1-Trichloroethane MR 8 2013
Carbon tetrachloride MR 8 2013
1,2-Dichloropropane MR 8 2013
Tetrachloroethylene MR 8 2013
CHLOROBENZENE MR 8 2013
Toluene MR 8 2013
Ethylbenzene MR 8 2013
Styrene MR 8 2013
o-Dichlorobenzene MR 8 2013
trans-1,2-Dichloroethylene MR 8 2013
Trichloroethylene MR 8 2013
1,1,2-Trichloroethane MR 8 2013
Benzene MR 8 2013
cis-1,2-Dichloroethylene MR 8 2013
Barium MR 5 2013
CYANIDE MR 5 2013
Mercury MR 5 2013
Nickel MR 5 2013
Thallium, Total MR 5 2013
Selenium MR 5 2013

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 283 LITCHFIELD RD, LLC.

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 CT0660414 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
2016 Coliform (TCR) MR 30 SDWIS / CT0660414 / 3100
2014 Coliform (TCR) MCL 14 SDWIS / CT0660414 / 3100
2014 Lead and Copper Rule MR 13 SDWIS / CT0660414 / 5000
2014 Lead and Copper Rule TT 9 SDWIS / CT0660414 / 5000
2014 Public Notice Other 4 SDWIS / CT0660414 / 7500
2014 E. COLI MR 4 SDWIS / CT0660414 / 3014
2013 1,2,4-Trichlorobenzene MR 8 SDWIS / CT0660414 / 2378
2013 DICHLOROMETHANE MR 8 SDWIS / CT0660414 / 2964
2013 p-Dichlorobenzene MR 8 SDWIS / CT0660414 / 2969
2013 Vinyl chloride MR 8 SDWIS / CT0660414 / 2976
2013 1,1-Dichloroethylene MR 8 SDWIS / CT0660414 / 2977
2013 1,2-Dichloroethane MR 8 SDWIS / CT0660414 / 2980
2013 1,1,1-Trichloroethane MR 8 SDWIS / CT0660414 / 2981
2013 Carbon tetrachloride MR 8 SDWIS / CT0660414 / 2982
2013 1,2-Dichloropropane MR 8 SDWIS / CT0660414 / 2983

How 283 LITCHFIELD RD, LLC Compares

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

Metric 283 LITCHFIELD RD, LLC Connecticut avg Federal benchmark
Total violations 387 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 23 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 74 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 283 LITCHFIELD RD, LLC water safe to drink?
283 LITCHFIELD RD, LLC (PWS ID: CT0660414) has 387 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 74 people using Groundwater sources.
How many people does 283 LITCHFIELD RD, LLC serve?
283 LITCHFIELD RD, LLC serves 74 people in HARWINTON, Connecticut. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does 283 LITCHFIELD RD, LLC have?
283 LITCHFIELD RD, LLC has 387 total violations: 23 health-based violations (MCL exceedances or treatment failures), 331 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 283 LITCHFIELD RD, LLC water?
No PFAS testing data is available for 283 LITCHFIELD RD, LLC under the EPA's UCMR5 monitoring program.
What water source does 283 LITCHFIELD RD, LLC use?
283 LITCHFIELD RD, LLC 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.

Explore PlainWater

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