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WEST MAIN ASSOCIATES

PWS ID: NJ1406325 · CHESTER, New Jersey 07930

WEST MAIN ASSOCIATES serves 574 people in CHESTER, New Jersey using Groundwater water sources. It has 13 recorded EPA violations, including 4 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (6 compounds found).

Water Quality Snapshot: WEST MAIN ASSOCIATES

WEST MAIN ASSOCIATES is a private-owned non-transient non-community water system that delivers drinking water to 574 residents in CHESTER, New Jersey (Morris County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 13 total violations for this system , of which 4 (31%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 8 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 6 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0123 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across New Jersey, EPA tracks 3,428 public water systems serving 9,570,926 people, with 204,988 cumulative violations and 22,229 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 59.8 violations. WEST MAIN ASSOCIATES's 13 violations sit below the New Jersey average. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
574
Total Violations
13
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Morris
School/Daycare
No
MCL Violations
0
Monitoring Violations
9
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 8 2022
Lead and Copper Rule TT 4 2020
Coliform (TCR) MR 1 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/10/2024 0.0071 µg/L 0.004 µg/L Detected
PFBA 6/10/2024 0.0050 µg/L 0.005 µg/L Detected
PFHxS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/10/2024 0.0034 µg/L 0.003 µg/L Detected
PFBS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 6/10/2024 0.0123 µg/L 0.004 µg/L Detected
HFPO-DA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/10/2024 0.0075 µg/L 0.003 µg/L Detected
PFMBA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/10/2024 0.0066 µg/L 0.003 µg/L Detected
PFTrDA 6/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/10/2024 <9 µg/L 9 µg/L Not Detected
PFOS 12/10/2024 0.0079 µg/L 0.004 µg/L Detected
ADONA 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 12/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 12/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 12/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 12/10/2024 0.0055 µg/L 0.003 µg/L Detected
PFDoA 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 12/10/2024 0.0103 µg/L 0.004 µg/L Detected
PFNA 12/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 12/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
lithium 12/10/2024 <9 µg/L 9 µg/L Not Detected
PFPeS 12/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 12/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 12/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 12/10/2024 <0.008 µg/L 0.008 µg/L Not Detected

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 WEST MAIN ASSOCIATES.

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 NJ1406325 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Jersey Drinking Water Authority

NJ DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects WEST MAIN ASSOCIATES under EPA-delegated authority.

Open NJ regulator portal

Source: NJ DEP — Bureau of Safe Drinking Water

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
2022 Lead and Copper Rule MR 8 SDWIS / NJ1406325 / 5000
2020 Lead and Copper Rule TT 4 SDWIS / NJ1406325 / 5000
2006 Coliform (TCR) MR 1 SDWIS / NJ1406325 / 3100

How WEST MAIN ASSOCIATES Compares

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

Metric WEST MAIN ASSOCIATES New Jersey avg Federal benchmark
Total violations 13 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 6 compounds 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 574 2,792 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,428 regulated public water systems in New Jersey.

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 WEST MAIN ASSOCIATES water safe to drink? ▼
WEST MAIN ASSOCIATES (PWS ID: NJ1406325) has 13 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 6 PFAS compounds found. This system serves 574 people using Groundwater sources.
How many people does WEST MAIN ASSOCIATES serve? ▼
WEST MAIN ASSOCIATES serves 574 people in CHESTER, New Jersey. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does WEST MAIN ASSOCIATES have? ▼
WEST MAIN ASSOCIATES has 13 total violations: 4 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WEST MAIN ASSOCIATES water? ▼
Yes. UCMR5 testing detected 6 PFAS compounds in WEST MAIN ASSOCIATES's water supply: PFOS, PFBA, PFHpA, PFOA, PFPeA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does WEST MAIN ASSOCIATES use? ▼
WEST MAIN ASSOCIATES 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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