PlainWater
States → New Jersey

Non-Transient Non-Community Water System · PWS NJ0335324

Seneca High School

Shamong, New Jersey 08088 - drinking water served from groundwater sources to 1,900 people, tracked in EPA SDWIS and UCMR5.

1,900
People served
113
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 113 drinking-water violations at Seneca High School, 4% of them health-based - above the New Jersey per-system average.

113
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
1,900
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Seneca High School

Seneca High School is a private-owned non-transient non-community water system that delivers drinking water to 1,900 residents in Shamong, New Jersey (Burlington County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 113 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 103 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 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 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%).

Seneca High School's 113 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.

Population Served
1,900
Total Violations
113
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Burlington
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
103
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2014
E. COLI MR 7 2021
Revised Total Coliform Rule RPT 6 2019
Lead and Copper Rule MR 4 2006
Coliform (TCR) MCL 4 2013
1,2,4-Trichlorobenzene MR 4 2005
Xylenes, Total MR 4 2005
DICHLOROMETHANE MR 4 2005
o-Dichlorobenzene MR 4 2005
p-Dichlorobenzene MR 4 2005
trans-1,2-Dichloroethylene MR 4 2005
1,2-Dichloroethane MR 4 2005
Carbon tetrachloride MR 4 2005
1,2-Dichloropropane MR 4 2005
1,1,2-Trichloroethane MR 4 2005
Tetrachloroethylene MR 4 2005
CHLOROBENZENE MR 4 2005
Benzene MR 4 2005
Toluene MR 4 2005
Styrene MR 4 2005
cis-1,2-Dichloroethylene MR 4 2005
Vinyl chloride MR 4 2005
Ethylbenzene MR 4 2005
Trichloroethylene MR 4 2005
1,1,1-Trichloroethane MR 4 2005
1,1-Dichloroethylene MR 4 2005

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 Seneca High School.

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 NJ0335324 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 Seneca High School 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
2021 E. COLI MR 7 SDWIS / NJ0335324 / 3014
2019 Revised Total Coliform Rule RPT 6 SDWIS / NJ0335324 / 8000
2014 Coliform (TCR) MR 8 SDWIS / NJ0335324 / 3100
2013 Coliform (TCR) MCL 4 SDWIS / NJ0335324 / 3100
2006 Lead and Copper Rule MR 4 SDWIS / NJ0335324 / 5000
2005 1,2,4-Trichlorobenzene MR 4 SDWIS / NJ0335324 / 2378
2005 Xylenes, Total MR 4 SDWIS / NJ0335324 / 2955
2005 DICHLOROMETHANE MR 4 SDWIS / NJ0335324 / 2964
2005 o-Dichlorobenzene MR 4 SDWIS / NJ0335324 / 2968
2005 p-Dichlorobenzene MR 4 SDWIS / NJ0335324 / 2969
2005 trans-1,2-Dichloroethylene MR 4 SDWIS / NJ0335324 / 2979
2005 1,2-Dichloroethane MR 4 SDWIS / NJ0335324 / 2980
2005 Carbon tetrachloride MR 4 SDWIS / NJ0335324 / 2982
2005 1,2-Dichloropropane MR 4 SDWIS / NJ0335324 / 2983
2005 1,1,2-Trichloroethane MR 4 SDWIS / NJ0335324 / 2985

How Seneca High School Compares

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

Metric Seneca High School New Jersey avg Federal benchmark
Total violations 113 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 None 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,900 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 Seneca High School water safe to drink? ▼
Seneca High School (PWS ID: NJ0335324) has 113 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,900 people using Groundwater sources.
How many people does Seneca High School serve? ▼
Seneca High School serves 1,900 people in Shamong, New Jersey. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Seneca High School have? ▼
Seneca High School has 113 total violations: 4 health-based violations (MCL exceedances or treatment failures), 103 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Seneca High School water? ▼
No PFAS testing data is available for Seneca High School under the EPA's UCMR5 monitoring program.
What water source does Seneca High School use? ▼
Seneca High School 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

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.