Mahwah Water Department

EPA’s September 2026 export lists Mahwah Water Department (PWSID NJ0233001) as No current violation flagged, serving a reported 26,777 people from a surface water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.

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01 / CURRENT FLAGS

EPA compliance flags for Mahwah Water Department

Mahwah Water Department is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

NOT FLAGGED
Health-based violationCurrent HEALTH_FLAG in the EPA export.
NOT FLAGGED
Monitoring and reportingCurrent MR_FLAG in the EPA export.
NOT FLAGGED
Public notificationCurrent PN_FLAG in the EPA export.
NOT FLAGGED
Other violationCurrent OTHER_FLAG in the EPA export.
NOT FLAGGED
Serious violatorCurrent serious-violator status in the EPA export.

Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations10rolling history field

Quarters with SNC0significant noncompliance

Rules in current violation0EPA export count

Rules in 3-year window1EPA export count

Current rule entries for Mahwah Water Department

EPA supplied 1 current contaminant, rule, or violation-category entries for Mahwah Water Department in the exported fields used here.

Monitoring and Reporting

Three-year entries for Mahwah Water Department

EPA supplied 21 contaminant or rule entries for Mahwah Water Department in the three-year history field.

2378=1,2,4-Trichlorobenzene
2380=cis-1,2-Dichloroethylene
2955=Xylenes, Total
2964=DICHLOROMETHANE
2968=o-Dichlorobenzene
2969=p-Dichlorobenzene
2976=Vinyl chloride
2977=1,1-Dichloroethylene
2979=trans-1,2-Dichloroethylene
2980=1,2-Dichloroethane
2981=1,1,1-Trichloroethane
2982=Carbon tetrachloride
2983=1,2-Dichloropropane
2984=Trichloroethylene
2985=1,1,2-Trichloroethane
2987=Tetrachloroethylene
2989=CHLOROBENZENE
2990=Benzene
2991=Toluene
2992=Ethylbenzene

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Mahwah Water Department

The export lists 4 site visits in five years and 0 significant deficiencies for Mahwah Water Department.

Site visits, past 5 years: 4
Inspection visits: 0
Other visits: 4
Last sanitary survey: 02/13/2025
Last recorded visit: 09/17/2025
Significant deficiencies: 0

Places served by Mahwah Water Department

EPA associates Mahwah Water Department with the listed cities, counties, ZIP codes, and New Jersey service area identifiers.

State / territory: New Jersey
Cities: MAHWAH TWP-0233
Counties: Bergen
ZIP codes: Not supplied
Federal PWSID: NJ0233001
Registry ID: 110012892432

04 / HOW TO USE THIS RECORD

Current public records for Mahwah Water Department

EPA’s facility report, the New Jersey drinking-water program, and Mahwah Water Department’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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