DENVILLE, NJ · Morris County

DENVILLE TWP WATER DEPT 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): NJ1408001
System type: Community Water System
Population served: 15,881
Service connections: 5,000
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Xylenes, Total
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2025 – October 10, 2025
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2022 – May 4, 2022
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Radium-228
January 1, 2020 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2019 – December 31, 2019
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
Archived
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
January 11, 2019 – January 7, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2018 – December 15, 2018
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2017 – May 2, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – July 29, 2013
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Toluene
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Benzene
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2013 – July 18, 2013
Resolved
Monitoring, Regular
—
Styrene
January 1, 2013 – July 18, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
Archived
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2012 – May 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Toluene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Toluene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1993 – September 30, 1993
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – October 10, 2025	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2025 – October 10, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2022 – May 4, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Radium-228	—	Archived
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	TTHM	—	Archived
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
January 11, 2019 – January 7, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2018 – December 15, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2017 – May 2, 2017	Monitoring, Regular	CYANIDE	—	Resolved
July 1, 2013 – July 29, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Toluene	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Benzene	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2013 – July 18, 2013	Monitoring, Regular	Styrene	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
April 1, 2012 – May 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Toluene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Toluene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Contact

EQBERT, JOHN

973-625-8334

DENVILLE, NJ 07834