MAHWAH, NJ · Bergen County
MAHWAH WATER DEPARTMENT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New Jersey’s official records. Always confirm current status with New Jersey before making decisions based on this information.
System facts
- System ID (PWSID)
- NJ0233001
- System type
- Community Water System
- Population served
- 26,777
- Service connections
- 8,775
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Toluene
January 1, 2023 – July 11, 2025
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2023 – July 11, 2025
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2023 – July 11, 2025
ResolvedMonitoring, Regular
—Benzene
January 1, 2023 – July 11, 2025
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2023 – July 11, 2025
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
January 1, 2020 – June 30, 2020
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
January 1, 2019 – February 20, 2019
ResolvedMonitoring, Regular
—Nitrate
January 1, 2015 – August 4, 2015
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2023 – July 11, 2025 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2023 – July 11, 2025 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2023 – July 11, 2025 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2023 – July 11, 2025 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2023 – July 11, 2025 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2020 – June 30, 2020 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2019 – February 20, 2019 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2015 – August 4, 2015 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 5, 2019State Formal Notice of Violation issued73 linked violations
- February 20, 2019State Compliance achieved26 linked violations
- August 4, 2015State Compliance achieved63 linked violations
- December 20, 2012State Compliance achieved48 linked violations
Contact
VANDERBEEK, BRIAN
201-529-4413
MAHWAH, NJ 07430