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KATHERINE D MALLONE SCH

PWS ID: NJ1435346 · ROCKAWAY, New Jersey 07866

KATHERINE D MALLONE SCH serves 390 people in ROCKAWAY, New Jersey using Groundwater water sources. It has 121 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KATHERINE D MALLONE SCH

KATHERINE D MALLONE SCH is a local-owned non-transient non-community water system that delivers drinking water to 390 residents in ROCKAWAY, New Jersey (Morris County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 121 total violations for this system , of which 4 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 112 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 Xylenes, Total, recorded in 4 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. KATHERINE D MALLONE SCH's 121 violations sit above 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.

Population Served
390
Total Violations
121
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Morris
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
112
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 4 2022
o-Dichlorobenzene MR 4 2022
Vinyl chloride MR 4 2022
1,2-Dichloroethane MR 4 2022
1,1,1-Trichloroethane MR 4 2022
Carbon tetrachloride MR 4 2022
1,2-Dichloropropane MR 4 2022
Tetrachloroethylene MR 4 2022
Ethylbenzene MR 4 2022
Styrene MR 4 2022
Lead and Copper Rule TT 4 2021
p-Dichlorobenzene MR 4 2022
1,2,4-Trichlorobenzene MR 4 2022
cis-1,2-Dichloroethylene MR 4 2022
1,1,2-Trichloroethane MR 4 2022
Benzene MR 4 2022
CHLOROBENZENE MR 4 2022
1,1-Dichloroethylene MR 4 2022
DICHLOROMETHANE MR 4 2022
trans-1,2-Dichloroethylene MR 4 2022
Toluene MR 4 2022
Trichloroethylene MR 4 2022
ETHYLENE DIBROMIDE MR 3 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2023
Lead and Copper Rule MR 2 2024
TTHM MR 2 2004
Public Notice Other 2 2023
Chlorine MR 2 2014
Total Haloacetic Acids (HAA5) MR 2 2004
Chromium MR 1 1993

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 KATHERINE D MALLONE SCH.

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 NJ1435346 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 KATHERINE D MALLONE SCH 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 Lead and Copper Rule MR 2 SDWIS / NJ1435346 / 5000
2023 ETHYLENE DIBROMIDE MR 3 SDWIS / NJ1435346 / 2946
2023 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / NJ1435346 / 2931
2023 Public Notice Other 2 SDWIS / NJ1435346 / 7500
2022 Xylenes, Total MR 4 SDWIS / NJ1435346 / 2955
2022 o-Dichlorobenzene MR 4 SDWIS / NJ1435346 / 2968
2022 Vinyl chloride MR 4 SDWIS / NJ1435346 / 2976
2022 1,2-Dichloroethane MR 4 SDWIS / NJ1435346 / 2980
2022 1,1,1-Trichloroethane MR 4 SDWIS / NJ1435346 / 2981
2022 Carbon tetrachloride MR 4 SDWIS / NJ1435346 / 2982
2022 1,2-Dichloropropane MR 4 SDWIS / NJ1435346 / 2983
2022 Tetrachloroethylene MR 4 SDWIS / NJ1435346 / 2987
2022 Ethylbenzene MR 4 SDWIS / NJ1435346 / 2992
2022 Styrene MR 4 SDWIS / NJ1435346 / 2996
2022 p-Dichlorobenzene MR 4 SDWIS / NJ1435346 / 2969

How KATHERINE D MALLONE SCH Compares

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

Metric KATHERINE D MALLONE SCH New Jersey avg Federal benchmark
Total violations 121 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 390 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 KATHERINE D MALLONE SCH water safe to drink?
KATHERINE D MALLONE SCH (PWS ID: NJ1435346) has 121 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 390 people using Groundwater sources.
How many people does KATHERINE D MALLONE SCH serve?
KATHERINE D MALLONE SCH serves 390 people in ROCKAWAY, New Jersey. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does KATHERINE D MALLONE SCH have?
KATHERINE D MALLONE SCH has 121 total violations: 4 health-based violations (MCL exceedances or treatment failures), 112 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KATHERINE D MALLONE SCH water?
No PFAS testing data is available for KATHERINE D MALLONE SCH under the EPA's UCMR5 monitoring program.
What water source does KATHERINE D MALLONE SCH use?
KATHERINE D MALLONE SCH 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