RIVERDALE, NJ · Morris County
MOUNTAIN LAKES WATER DEP Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
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)
- NJ1425001
- System type
- Community Water System
- Population served
- 4,012
- Service connections
- 1,501
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – August 22, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2023 – January 26, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – September 5, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2016 – August 4, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – August 19, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – August 25, 2011
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Styrene
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Toluene
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—Toluene
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – March 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – March 31, 2005
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2004 – September 30, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2004 – September 30, 2004
ResolvedMonitoring, Regular
—Benzene
July 1, 2004 – September 30, 2004
ResolvedMonitoring, Regular
—Benzene
July 1, 2004 – September 30, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2004 – March 31, 2004
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2024 – August 22, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2023 – January 26, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2023 – September 5, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2016 – August 4, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2014 – August 19, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – August 25, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- February 10, 2026State Formal Notice of Violation issued16 linked violations
- November 22, 2005State Compliance achieved301 linked violations
Contact
RYDEN, WILLIAM
973-334-1577
RIVERDALE, NJ 07457