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Community Water System · PWS NJ1411001

Florham Park Water Dept

Florham Park, New Jersey 07932 - drinking water served from groundwater sources to 8,846 people, tracked in EPA SDWIS and UCMR5.

8,846
People served
372
EPA violations
0
Health-based
2 PFAS
UCMR5 result

The verdict

EPA records 372 drinking-water violations at Florham Park Water Dept - above the New Jersey per-system average, and UCMR5 testing detected 2 PFAS compounds.

372
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
8,846
People served by this system
2
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Florham Park Water Dept

Florham Park Water Dept is a local-owned community water system that delivers drinking water to 8,846 residents in Florham Park, New Jersey (Morris County) through 3,466 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 372 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 354 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is 1,2-Dichloroethane, recorded in 13 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 12.5 ppt (parts per trillion). 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. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%).

Florham Park Water Dept's 372 violations sit above the New Jersey average.

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

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

Population Served
8,846
Total Violations
372
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,466
County
Morris
School/Daycare
No
MCL Violations
0
Monitoring Violations
354
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2-Dichloroethane MR 13 2021
1,1,1-Trichloroethane MR 13 2021
Carbon tetrachloride MR 13 2021
Trichloroethylene MR 13 2021
Benzene MR 13 2021
Vinyl chloride MR 13 2021
p-Dichlorobenzene MR 13 2021
1,1-Dichloroethylene MR 13 2021
DICHLOROMETHANE MR 12 2021
o-Dichlorobenzene MR 12 2021
CHLOROBENZENE MR 12 2021
Ethylbenzene MR 12 2021
Styrene MR 12 2021
cis-1,2-Dichloroethylene MR 12 2021
Xylenes, Total MR 12 2021
1,2-Dichloropropane MR 12 2021
1,1,2-Trichloroethane MR 12 2021
1,2,4-Trichlorobenzene MR 12 2021
trans-1,2-Dichloroethylene MR 12 2021
Tetrachloroethylene MR 12 2021
Toluene MR 12 2021
Revised Total Coliform Rule RPT 8 2022
Nitrate MR 6 1995
Cadmium MR 5 2002
Chromium MR 5 2002
CYANIDE MR 5 2002
Selenium MR 5 2002
Antimony, Total MR 5 2002
Beryllium, Total MR 5 2002
Barium MR 5 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 203 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 8/12/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/12/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/12/2024 8.20 ppt 4.00 ppt Detected
PFDA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/12/2024 <6.00 ppt 6.00 ppt Not Detected
NFDHA 8/12/2024 <20.00 ppt 20.00 ppt Not Detected
PFUnA 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFEESA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFBA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 8/12/2024 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 8/12/2024 <6.00 ppt 6.00 ppt Not Detected
PFEESA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/12/2024 <3.00 ppt 3.00 ppt 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 Florham Park Water Dept.

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 NJ1411001 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 Florham Park Water Dept 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
2024 Gross Alpha, Excl. Radon and U MR 4 SDWIS / NJ1411001 / 4000
2024 Combined Uranium MR 3 SDWIS / NJ1411001 / 4006
2024 Radium-226 MR 3 SDWIS / NJ1411001 / 4020
2024 Radium-228 MR 3 SDWIS / NJ1411001 / 4030
2024 Combined Radium (-226 and -228) MR 3 SDWIS / NJ1411001 / 4010
2022 Revised Total Coliform Rule RPT 8 SDWIS / NJ1411001 / 8000
2021 1,2-Dichloroethane MR 13 SDWIS / NJ1411001 / 2980
2021 1,1,1-Trichloroethane MR 13 SDWIS / NJ1411001 / 2981
2021 Carbon tetrachloride MR 13 SDWIS / NJ1411001 / 2982
2021 Trichloroethylene MR 13 SDWIS / NJ1411001 / 2984
2021 Benzene MR 13 SDWIS / NJ1411001 / 2990
2021 Vinyl chloride MR 13 SDWIS / NJ1411001 / 2976
2021 p-Dichlorobenzene MR 13 SDWIS / NJ1411001 / 2969
2021 1,1-Dichloroethylene MR 13 SDWIS / NJ1411001 / 2977
2021 DICHLOROMETHANE MR 12 SDWIS / NJ1411001 / 2964

How Florham Park Water Dept Compares

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

Metric Florham Park Water Dept New Jersey avg Federal benchmark
Total violations 372 59.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,846 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Florham Park Water Dept water safe to drink?
Florham Park Water Dept (PWS ID: NJ1411001) has 372 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 8,846 people using Groundwater sources.
How many people does Florham Park Water Dept serve?
Florham Park Water Dept serves 8,846 people in Florham Park, New Jersey. It is a Local-owned system using Groundwater water sources with 3,466 service connections.
What type of violations does Florham Park Water Dept have?
Florham Park Water Dept has 372 total violations: 0 health-based violations (MCL exceedances or treatment failures), 354 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Florham Park Water Dept water?
Yes. UCMR5 testing detected 2 PFAS compounds in Florham Park Water Dept's water supply: PFOA, 6:2 FTS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Florham Park Water Dept use?
Florham Park Water Dept 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.
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.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.