Public water system record

Montclair Water Bureau

Serves an area of Essex County, NJ that includes Upper Montclair · 40,150 people served

Federal records show 1 health-based violation and 6 monitoring/reporting issues for Montclair Water Bureau in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • NJ0713001
  • HASKELL
  • NJ
  • 40,150 served

System profile

Source water Purchased surface water
ZIP 07420
EPA system ID NJ0713001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
6

Key facts

  • Montclair Water Bureau draws water from 3 wells.
  • Record on file since 1979, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 182 lead and 704 unknown out of 10,845 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Lead and Copper Rule
Treatment technique failure
350 Jan 1, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Dec 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Dec 1, 2016 Resolved

Full record since 1979

EPA's records for Montclair Water Bureau go back to 1979. Before October 19, 2016 they list no health-based violations and 33 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 8
2000s 0 23
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 3
2020s 1 3

What the violations mean

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Montclair Water Bureau draws water from 3 wells. It also buys water from Passaic Valley Water Commission and N.J.D.W.S.C. - Wanaque North. 2 other community water systems buy water from Montclair Water Bureau. 2 other public water systems have emergency connections to Montclair Water Bureau.

Buys water from

Community systems that buy water from it

Annual water quality report

Montclair Water Bureau must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New Jersey.